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IOWA DEPARTMENT OF NATURAL RESOURCES
NATIONAL POLLUTANT DISCHARGE ELIMINATION
SYSTEM (NPDES)
GENERAL PERMIT NO. 2
EFFECTIVE DATES
OCTOBER 1, 2012 THROUGH OCTOBER 1, 2017
FOR
STORM WATER DISCHARGE ASSOCIATED WITH
CONSTRUCTION ACTIVITIES
502 EAST 9th STREET DES MOINES, IOWA 50319
515-281-7017 FAX 515-281-8895 www.iowadnr.gov/water/stormwater/index.html
NPDES GENERAL PERMIT NO. 2
TABLE OF CONTENTS
PART I. COVERAGE UNDER THIS PERMIT ..................................................................................... 1
A.PA. ..................................................................................................................................... 1
ERMITREA
B.E. ........................................................................................................................................ 1
LIGIBILITY
C.RIP. ................................................................................................ 1
EQUIRING AN NDIVIDUALERMIT
D.A. ................................................................................................................................ 2
UTHORIZATION
PART II. NOTICE OF INTENT (NOI) REQUIREMENTS ................................................................. 2
A.DFNI. ................................................................................. 2
EADLINES FOR ILING A OTICE OF NTENT
B.FN. ........................................................................................................................... 2
AILURE TO OTIFY
C.CNI. ............................................................................................ 2
ONTENTS OF THE OTICE OF NTENT
D.WS. ............................................................................................................................ 3
HERE TO UBMIT
E.R. ................................................................................................................................ 3
ENOTIFICATION
F.TCUP. .............................................................................. 3
RANSFER OF OVERAGENDER THIS ERMIT
G.ND. ......................................................................................................... 4
OTICE OF ISCONTINUATION
PART III. SPECIAL CONDITIONS, MANAGEMENT PRACTICES, AND OTHER NON-
NUMERIC LIMITATIONS ....................................................................................................................... 4
A.PN-SWD. ..................................................................... 4
ROHIBITION ON ONTORMATERISCHARGES
B.RERQ. ...................................................................... 4
ELEASES IN XCESS OF EPORTABLEUANTITIES
PART IV. STORM WATER POLLUTION PREVENTION PLANS .................................................. 5
A.DPPPPC. ................... 5
EADLINES FOR OLLUTIONREVENTIONLANREPARATION AND OMPLIANCE
B.SPR. ......................................................................................................... 5
IGNATURE AND LANEVIEW
C.KPC. ................................................................................................................ 5
EEPINGLANSURRENT
D.CPPP. ........................................................................ 6
ONTENTS OF THE OLLUTIONREVENTIONLAN
PART V. RETENTION OF RECORDS ................................................................................................ 10
PART VI. STANDARD PERMIT CONDITIONS ................................................................................ 11
A.DC. ............................................................................................................................ 11
UTY TO OMPLY
B.CEGP. .................................................................... 11
ONTINUATION OF THE XPIRED ENERALERMIT
C.NHRAND. ............................................................... 11
EED TO ALT OR EDUCECTIVITYOT A EFENSE
i
D.DM. ......................................................................................................................... 11
UTY TO ITIGATE
E.DPI. .................................................................................................. 11
UTY TO ROVIDENFORMATION
F.OI. ...................................................................................................................... 11
THERNFORMATION
G.SR. ........................................................................................................... 11
IGNATORYEQUIREMENTS
H.C. ................................................................................................................................ 12
ERTIFICATION
I.OHSL. ................................................................................. 12
IL AND AZARDOUS UBSTANCEIABILITY
J.PR. ............................................................................................................................ 12
ROPERTYIGHTS
K.S. .................................................................................................................................. 12
EVERABILITY
L.T. ....................................................................................................................................... 12
RANSFERS
M.POM. ..................................................................................... 12
ROPERPERATION AND AINTENANCE
N.IE. .................................................................................................................. 12
NSPECTION AND NTRY
O.PA. ............................................................................................................................. 13
ERMITCTIONS
P.EL. .................................................................................................................. 13
NVIRONMENTALAWS
PART VII. REOPENER CLAUSE ........................................................................................................ 13
PART VIII.DEFINITIONS .................................................................................................................... 13
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OWAEPARTMENT OF ATURALESOURCESENERALERMITO
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PARTI.COVERAGEUNDERTHISPERMIT.
storm water discharges associated with
B
industrial activity for construction activities
A.PA
This permit covers all areas of which are covered by an existing individual
ERMITREA
the State of Iowa. NPDES permit or which are issued a permit in
accordance with Part I.C. of this permit.
BE
.
LIGIBILITY
Storm water discharges authorized by an
1..
Except for discharges identified under existing individual NPDES permit will be
A
Parts I.B.2. and I.B.3., this permit may eligible to apply for coverage under this
authorize the discharge of storm water general permit as the existing individual
associated with industrial activity from permit expires; and
construction sites, (those sites or common
.
plans of development or sale that will result in storm water discharges associated with
C
the disturbance of one or more acres total land industrial activity for construction activities
area), (hereafter referred to as storm water that the Iowa Department of Natural
discharge associated with industrial activity Resources has determined to be or may
for construction activities) occurring after the reasonably be expected to be contributing to a
effective date of this permit (including violation of a water quality standard.
discharges occurring after the effective date of
.
this permit where the construction activity new or expanded “storm water discharge
D
was initiated before the effective date of this associated with industrial activity” that
permit), including storm water discharge discharges to Outstanding Iowa Waters or to
associated with industrial activity from areas Outstanding National Resource Waters.
that are dedicated to producing earthen
3.E
materials, such as soils, sand and gravel, for The following “storm water
XCLUSIONS
use at a single construction site. discharges associated with industrial activity”
from construction activities do not require a
.
This permit may authorize storm water NPDES permit:
B
discharge from a construction site that is
mixed with storm water discharge associated discharges from agricultural and silvicultural
with industrial activity from sources other activities including storm water runoff from
than construction activities provided that the orchards, cultivated crops, pastures, range
storm water discharge from the industrial lands, and forest lands, but not discharges
(non-construction) source is in compliance from concentrated animal feeding operations
with the terms of a NPDES general permit, as defined in 40 CFR 122.23, concentrated
other than this general permit, or individual aquatic production facilities as defined in 40
permit authorizing such discharge. In CFR 122.24, discharges to aquaculture
addition, the storm water other than from projects as defined in 40 CFR 122.25, and
construction, shall be in compliance with Part discharges from silvicultural point sources as
IV.D.6. of this permit. defined in 40 CFR 122.27.
2.LCC. RIP
The following
IMITATIONS ON OVERAGEEQUIRING AN NDIVIDUALERMIT
storm water discharges associated with
1.
industrial activity for construction activities The Department may require any person
not
are authorized by this permit: authorized by this permit to apply for and
obtain an individual NPDES permit. The
.
storm water discharges that are mixed Department may require any owner or
A
with sources of non-storm water other than operator authorized to discharge under this
discharges identified in Part III.A.2. of this permit to apply for an individual NPDES
permit; permit only if the owner or operator has been
notified in writing that a permit application is
required. This notice shall include a brief
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statement of the reasons for this decision, an
PARTII.NOTICEOFINTENT(NOI)
application form, a statement setting a
REQUIREMENTS
deadline for the owner or operator to file the
application, and a statement that on the
A.DFN
effective date of the individual NPDES
EADLINES FOR ILING A OTICE OF
I
permit, coverage under this general permit
NTENT
shall automatically terminate. If an owner or
operator fails to submit an individual NPDES For storm water discharge associated with
permit application required by the Department industrial activity for construction activities
under this paragraph, coverage of this general where construction begins after October 1,
permit automatically is terminated at the end 1992, construction activities shall not
of the day specified for submittal of the commence until an authorization has been
individual NPDES application. issued for the project by the Department.
2.B.FN
Any person authorized to discharge under this Dischargers who fail to
AILURE TO OTIFY
permit may apply for an individual NPDES notify the Department of their intent to be
permit. In such cases, the discharger shall covered, and discharge pollutants to water of
submit the following in accordance with the the United States within Iowa, without an
requirements of subrule (567)--64.3(4) in the NPDES permit, are in violation of the Clean
Iowa Administrative Code: Water Act and the Code of Iowa.
.C.CNI
an individual application, using DNR A
AONTENTS OF THE OTICE OF NTENT
Form 1 and EPA Form 2F, and, complete Notice of Intent shall include the
items described in Parts II.C.1., II.C.2., and
.
all applicable fees identified in rule II.C.3. of this permit.
B
(567)--64.16 in the Iowa Administrative
1.
Code. A completed Notice of Intent (NOI) form,
DNR Form 542-1415, signed in accordance
3.
When an individual NPDES permit is issued with Part VI.G. of this permit. The
to a discharger covered under this general information on the form shall include the
permit, the applicability of this general permit following:
to the individual NPDES permittee is
.
automatically terminated on the effective date Name, address, and location of the
A
of the individual NPDES permit. construction site for which this notification is
submitted. The location should be provided
When an individual NPDES permit is denied as the 1/4 section, township, range, and the
to a discharger otherwise subject to this county in which the storm water discharge is
permit, the applicability of this permit to the located.
individual NPDES permittee is automatically
.
terminated on the date of such denial, unless The owner's name, address, telephone
B
otherwise specified by the Department. number, and status (federal, state, private,
public or other entity).
D. A
UTHORIZATION
.
The name, address and telephone
C
A discharger must submit a Notice of Intent number of any operator (contractor) that has
(NOI) in accordance with the requirements of been identified as having a role in the storm
Part II of this permit in order for storm water water pollution prevention plan for the site
discharge associated with industrial activity required under Part IV.D.7. of this permit.
for construction activities pursuant to Part I.B. Contractors (operators) identified after the
of this permit to be authorized to discharge submittal of the completed Notice of Intent
under this general permit. shall be identified in the pollution prevention
plan.
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2.AF
The applicable fees
PPLICABLEEES
.
The type of discharge (new or existing specified in Iowa Administrative Code 567 --
D
as related to October 1, 1992); whether or not 64.16(455B).
the discharge is to a municipal separate storm
3.PN
sewer system; the date the discharge is to A demonstration that
UBLICOTIFICATION
commence; the permit status of the discharge; the public notice specified in Iowa
and, the name of the receiving waters. Administrative Code 567--64.6(1)"c"(2) was
published at least one day, in at least two
.
An indication if any existing quantitative newspapers with the largest circulation in the
E
data is available describing the concentration area in which the facility is located or the
of pollutants in storm water discharges and a activity will occur.
summary of available existing data. (Existing
D.WS
data should not be included as part of the Facilities which
HERE TO UBMIT
NOI, it should retained as part of the Pollution discharge storm water associated with
Prevention Plan). industrial activity for construction activities
must submit items described in Parts II.C.1.,
.
A brief description of the project; an 2., and 3. of this permit to the Department at
F
estimated timetable for major activities; and, the following address:
an estimate of the number of acres of the site
on which soil will be disturbed. Storm Water Coordinator
Iowa Department of Natural Resources
.
A certification that compliance with 502 E. 9th St.
G
G.(1).G.(4).
through are met: Des Moines, IA 50319-0034
.(1).E.R
the pollution prevention plan has Prior to the expiration of
GENOTIFICATION
been developed before this Notice of Intent is an authorization issued under this general
submitted to the Department; permit, the permittee is required to resubmit a
Notice of Intent (no additional public notices
.(2).
the pollution prevention plan will are required) with the Department for
G
be implemented on October 1, 1992 for any coverage under the new general permit. If a
existing storm water discharge associated with new general permit has not been reissued
industrial activity for construction activities. prior to the expiration of the current permit,
For a storm water discharge associated with the provisions and coverage of the current
industrial activity for construction activities permit are extended until replaced by the
that commence after October 1, 1992, the adoption of a new general permit.
pollution prevention plan shall be
F. TCU
implemented with the start of construction
RANSFER OF OVERAGENDER THIS
P
activities; For storm water discharge associated
ERMIT
with industrial activity for construction
.(3).
this Notice of Intent will be activities where the ownership changes, the
G
included and incorporated into the pollution Department must be notified of the title
prevention plan and will be updated as transfer within 30 days. Both the previous
required; and, owner(s) and the new owner(s) are
responsible for notifying the Department of
.(4).
the storm water pollution the transfer and the new owner’s name and
G
prevention plan provides compliance with contact information. This requirement shall
section 467A.64 of the Code of Iowa and be satisfied upon the Department’s receipt of
local sediment and erosion plans and are the notification of this information by either
consistent with the requirements of Part IV of the previous owner(s) or the new owner(s). If
this general permit. a storm water discharge associated with
industrial activity for construction activities is
covered by this general permit, the new
3
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OWAEPARTMENT OF ATURALESOURCESENERALERMITO
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owner(s) shall be subject to all terms and control measures have been removed or will
conditions of this general permit. A copy of be removed at an appropriate time. I
the notice of transfer that was sent to the understand that by submitting this Notice of
Department shall be included in the pollution Discontinuation, that I am no longer
prevention plan. For construction activity authorized to discharge storm water
which is part of a larger common plan of associated with industrial activity for
development such as a housing or commercial construction activities by Iowa Department of
development project, if a permittee transfers Natural Resources General NPDES Permit
ownership of all or any part of property No. 2. and that discharging pollutants from
subject to this permit, both the permittee and storm water associated with industrial activity
transferee shall be responsible for compliance to waters of the United States is unlawful
with the provisions of this permit for that under the Clean Water Act where the
portion of the project which has been discharge is not authorized by a NPDES
transferred including when the transferred permit."
property is less than one acre in area. If the
new owner(s) agree in writing to be solely
PARTIII.SPECIALCONDITIONS,
responsible for compliance with the
MANAGEMENTPRACTICES,ANDOTHER
provisions of this permit for the property
NON-NUMERICLIMITATIONS
which has been transferred, then the existing
permittee(s) shall be relieved of responsibility
A.PN-SW
for compliance with this permit for the
ROHIBITION ON ONTORM ATER
D
transferred property, from and after the date
ISCHARGES
the Department receives written notice of
1.
transfer of responsibility. A copy of the All discharges authorized by this permit shall
notice of transfer of responsibility shall be be composed entirely of storm water except
included in the pollution prevention plan. for non-storm discharges listed in Part III.A.2.
G.ND2.
Discharges from fire fighting activities; fire
OTICE OF ISCONTINUATION
hydrant flushings; waters used to wash
1.
Within 30 days after final stabilization at a vehicles in accordance with Part
construction site (as defined in Part VIII of IV.D.2..(2).; potable water sources including
C
this permit), the operator or owner of the waterline flushings; irrigation drainage;
facility shall submit a Notice of routine external building washdown which
Discontinuation to the Department. does not use detergents; pavement washwaters
where spills or leaks of toxic or hazardous
2.
The Notice of Discontinuation shall include materials have not occurred (unless all spilled
the following information: material has been removed) and where
detergents are not used; air conditioning
.
the name of the owner/operator to which condensate; springs; uncontaminated
A
the permit was issued; groundwater; and foundation or footing drains
where flows are not contaminated with
.
the general permit number and permit process materials such as solvents; may be
B
authorization number; authorized by this permit provided the non-
storm water component of the discharge is in
.
the date the construction site reached compliance with Part IV.D.5. of this permit.
C
final stabilization; and,
.B.RER
the following certification signed in
DELEASES IN XCESS OF EPORTABLE
Q
accordance with Part VI.G. of this permit: Any owner or operator identified in the
UANTITIES
pollution prevention plan is subject to the spill
"I certify under penalty of law that disturbed notification requirements as specified in 455B.386
soils at the identified facility have been finally of the Iowa Code. Iowa law requires that as soon as
stabilized and temporary erosion and sediment possible but not more than six hours after the onset of
4
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a "hazardous condition" the Department and local
B.SPR
sheriff's office or the office of the sheriff of the
IGNATURE AND LANEVIEW
affected county be notified.
1.
The plan shall be signed in accordance with
The storm water pollution prevention plan described Part VI.G., and be retained at the construction
in Part IV of this permit must be modified within 5 site from the date construction activities begin
calendar days of knowledge of the release to provide to the date of final stabilization.
a description of the release and the circumstances
2.
leading to the release and to identify and provide for The permittee shall make plans available to
the implementation of steps to prevent the the Department upon request, or in the case of
reoccurrence of such releases and to respond to such a storm water discharge associated with
releases.industrial activity for construction activities
which discharge through a municipal separate
storm sewer system with an NPDES permit, to
PARTIV.STORMWATERPOLLUTION
the municipal operator of the system.
PREVENTIONPLANS
3.
The Department may notify the permittee at
A storm water pollution prevention plan shall be any time that the plan does not meet one or
developed for each construction site covered by this more of the minimum requirements of this
permit. Storm water pollution prevention plans shall Part. After such notification from the
be prepared in accordance with good engineering Department, the permittee shall make changes
practices. The plan shall identify potential sources of to the plan and shall submit to the Department
pollution which may reasonably be expected to affect a written certification that the requested
the quality of the storm water discharge from the changes have been made. Unless otherwise
construction activities. In addition, the plan shall provided by the Department, the permittee
describe and ensure the implementation of practices shall have 3 business days after such
which will be used to reduce the pollutants in storm notification to make the necessary changes.
water discharge associated with industrial activity for
4.
construction activities at the construction site and to All storm water pollution prevention plans
assure compliance with the terms and conditions of received by the Department from the
this permit. Facilities must implement the provisions permittee are considered reports that shall be
of the storm water pollution prevention plan required available to the public under Section 308(b) of
under this part as a condition of this permit.
the CWA and Chapter 22 of the Code of
Iowa. However, the permittee may claim any
A.DPP
portion of a storm water pollution plan as
EADLINES FOR OLLUTION REVENTION
PPC
confidential in accordance with Chapter 22 of
LANREPARATION AND OMPLIANCE
the Code of Iowa and Iowa Administrative
1.PPP
Code (561)--2.5.
OLLUTION REVENTIONLAN
PD
The pollution
REPARATIONEADLINE
PC
prevention plan shall be completed prior to C. K The permittee
EEPING LANSURRENT
the submittal of an NOI to the Department to shall amend the plan whenever there is a
be covered under this permit and shall be change in design, construction, operation, or
updated as appropriate. maintenance, which has a significant effect on
the potential for the discharge of pollutants to
2. PPP
the waters of the United States and which has
OLLUTION REVENTIONLAN
CD
The pollution not been addressed in the plan or if the storm
OMPLIANCEEADLINE
prevention plan shall provide for compliance water pollution prevention plan proves to be
with the terms and schedule of the plan prior ineffective in eliminating or significantly
to the initiation of construction activities. minimizing pollutants from sources identified
in Part IV.D.2. of this permit, or in otherwise
achieving the general objectives of controlling
pollutants in storm water discharge associated
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2. C
with industrial activity for construction Each plan shall include a
ONTROLS
activities. In addition, the pollution description of controls that will be
prevention plan shall be updated to: implemented at the construction site. The
expeditiously change the site map to include plan will clearly describe the intended
changes at the site, include contractors sequence of major activities and for each
identified after the submittal of the Notice of activity, the appropriate control measures and
Intent as Co-permittees, described in Part the timing during the construction process that
IV.D.7. of this permit; identify any change in the measures will be implemented. (For
ownership or transference of the permit and example, perimeter controls for one portion of
permit responsibilities; or, if required, by the the site will be installed after the clearing and
occurrence of a hazardous condition (as grubbing necessary for installation of the
defined in Part VIII of this permit). measure, but before the clearing and grubbing
Amendments to the plan may be reviewed by for the remaining portions of the site.
the Department of Natural Resources in the Perimeter controls will be actively maintained
same manner as Part IV.B.2. until final stabilization of those portions of the
site upward of the perimeter control.
D. CPP
Temporary perimeter controls will be
ONTENTS OF THE OLLUTION REVENTION
P.
The storm water pollution prevention removed after final stabilization). The
LAN
plan shall include the following items: description of controls shall address the
following minimum components:
1.SD
Each plan shall provide a
ITEESCRIPTION
.ESC
description of the following:
AROSION AND EDIMENTONTROLS
..(1). SP
a description of the nature of the A
AATABILIZATION RACTICES
construction activity; description of temporary and permanent
stabilization practices, including site-specific
.
estimates of the total area of the site and scheduling of the implementation of the
B
the area of the site that is expected to be practices. Site plans should ensure that
disturbed by excavation, grading, or other existing vegetation is preserved where
activities; attainable and that disturbed areas are
stabilized. Stabilization practices may
.
an estimate of the runoff coefficient of include: temporary seeding, permanent
C
the site after construction activities are seeding, mulching, geotextiles, sod
completed and existing data describing the stabilization, vegetative buffer strips,
soil or the quality of any discharge from the protection of trees, preservation of mature
site;vegetation, and other appropriate measures.
Except as precluded by snow cover,
.
a site map indicating drainage patterns stabilization measures shall be initiated on all
D
and approximate slopes anticipated after disturbed areas as soon as practical but in no
major grading activities, areas of soil case where construction activity will not occur
disturbance, the location of structural and for a period of 21 or more calendar days later
nonstructural controls identified in the plan, than the 14th day after no construction
the location of areas where stabilization activity has occurred on such area. Where the
practices are expected to occur, surface waters initiation of stabilization measures by the 14th
(including wetlands), and locations where day after no construction activity occurs is
storm water is discharged to a surface water; precluded by snow cover, then stabilization
andmeasures shall be initiated as soon as
practicable thereafter.
.
the name of the receiving water(s) and
E
.(2). SP
the ultimate receiving water(s). A
ATRUCTURALRACTICES
description of structural practices to the
degree attainable, to divert flows from
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preserved at all construction sites unless land
exposed soils, store flows or otherwise limit
use precludes the practice. The requirement
runoff from exposed areas of the site. Such
to preserve topsoil shall be met only when the
practices may include silt fences, earth dikes,
depth of topsoil after soil disturbing activities
brush barriers, drainage swales, sediment
have been completed and final stabilization
traps, check dams, subsurface drains, pipe
achieved for the permitted activity is equal to,
slope drains, level spreaders, storm drain inlet
or greater than, 4.0 inches, including soil
protection, rock outlet protection, reinforced
contained in sod, on all areas of the site where
soil retaining systems, gabions, and temporary
the surface of the ground disturbed for the
or permanent sediment basins. Structural
permitted construction activities is exposed
practices should be placed on upland soils to
and not covered by concrete, asphalt, gravel
the degree attainable. The installation of these
or other such material and where 4.0 inches or
devices may be subject to Section 404 of the
more of topsoil existed prior to the
CWA.
commencement of soil disturbing activities
that are permitted under the current permit
.(2).().
a For common drainage locations
A
authorization for the site. On areas where less
that serve an area with more than 10 disturbed
than 4.0 inches of topsoil existed prior to the
acres at one time, a temporary or permanent
commencement of soil disturbing activities
sediment basin providing 3,600 cubic feet of
that are permitted under the current permit
storage per acre drained shall be provided
authorization for the site, the minimum depth
where attainable until final stabilization of the
of topsoil after soil disturbing activities have
site has been achieved. The 3,600 cubic feet
been completed and final stabilization
of storage area per acre drained does not
achieved for the permitted activity shall be
apply to flows from offsite areas and flows
equal to, or greater than, the depth of topsoil
from onsite areas that are either undisturbed
that existed prior to the commencement of soil
or have undergone final stabilization where
disturbing activities that are permitted under
such flows are diverted around the sediment
the current permit authorization for the site.
basin. For drainage locations which serve
more than 10 disturbed acres at one time and
The final topsoil depth is to be measured after
where a temporary sediment basin providing
the soil has been compacted in a fashion
3,600 cubic feet of storage per acre drained is
generally considered adequate for an
not attainable, sediment traps, silt fences, or
established lawn and so that the expected
equivalent sediment controls are required for
settling that will occur after measurement will
all sideslope and downslope boundaries of the
be minimal and shall include the soil
construction area.
contained in any sod that has been placed on
the site. The type of topsoil at the site after
.(2).().
b For drainage locations serving
soil disturbing activities have been completed
A
10 or fewer acres, sediment traps, silt fences
and final stabilization achieved for the
or equivalent sediment controls are required
permitted activity shall be similar to that
for all sideslope and downslope boundaries of
which exists or existed in the general area of
the construction area or a sediment basin
the site.
providing for 3,600 cubic feet of storage per
For construction activity which is part of a
acre drained.
larger common plan of development, such as a
housing or commercial development project,
.(2).(c).
Unless infeasible, the following
A
in which a new owner agrees in writing to be
measures shall be implemented at all sites:
solely responsible for compliance with the
utilize outlet structures that withdraw water
provisions of this permit for the property
from the surface when discharging from
which has been transferred or in which the
basins, provide and maintain natural buffers
new owner has obtained authorization under
around surface waters, direct storm water to
this permit for a lot or lots (as specified in
vegetated areas to increase sediment removal
subrule 567-64.6(6) of the Iowa
and maximize storm water infiltration and
Administrative Code), the topsoil preservation
minimize soil compaction. Topsoil shall be
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OWAEPARTMENT OF ATURALESOURCESENERALERMITO
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TORMATERISCHARGESSOCIATED WITH NDUSTRIALCTIVITY FOR ONSTRUCTIONCTIVITIES
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requirements described above must be met no
storm water discharges that will occur after
later than at the time the lot or lots have
construction operations have been completed.
reached final stabilization as described in this
The installation of these devices may be
permit.
subject to Section 404 of the CWA. This
For sites where less than 4.0 inches of topsoil
permit only addresses the installation of storm
is to be in place after soil disturbing activities
water management measures, and not the
have been completed and final stabilization
ultimate operation and maintenance of such
achieved for the permitted activity, a soil
structures after the construction activities have
survey conducted by properly qualified
been completed and the site has undergone
personnel who regularly conduct soil surveys
final stabilization. Permittees are only
as part of their normal job duties must be
responsible for the installation and
conducted prior to commencement of soil
maintenance of storm water management
disturbing activities that are permitted under
measures prior to final stabilization of the site,
the current permit authorization for the site.
and are not responsible for maintenance after
The results of the soil survey shall become
storm water discharges associated with
part of the Pollution Prevention Plan and shall
industrial activity have been eliminated from
indicate the depth of topsoil at a suitable
the site.
number of points on the site commensurate
with standard engineering practices
.(1).
Such practices may include: storm
B
established for the size of the site.
water detention structures (including wet
ponds); storm water retention structures; flow
The topsoil preservation requirement
attenuation by use of open vegetated swales
described above shall be implemented for
and natural depressions; and infiltration of
projects that have not received an
runoff onsite; and sequential systems (which
authorization under this permit prior to
combine several practices). A goal of 80
October 1, 2012. The topsoil preservation
percent removal of total suspended solids
requirements are not required to be
from those flows which exceed
implemented for projects that have been
predevelopment levels should be used in
authorized prior to October 1, 2012. In
designing and installing storm water
residential and commercial developments, a
management controls (where practicable).
plat is considered a project. For other large
Where this goal is not met, the permittee shall
areas that have been authorized for multiple
provide justification for rejecting each
construction sites, including those to be
practice based on site conditions.
started at a future date, such as those located
at industrial facilities, military installations
.(2).
Velocity dissipation devices shall be
and universities, a new construction project
B
placed at discharge locations and along the
not yet surveyed and platted out is considered
length of any outfall channel as necessary to
a project. This stipulation is intended to be
provide a non-erosive velocity flow from the
interpreted as requiring the topsoil
structure to a water course so that the natural
preservation requirements on development
physical and biological characteristics and
plats and construction activities on other
extended areas that may have several functions are maintained and protected (e.g.
construction projects permitted under the
maintenance of hydrologic conditions present
same authorization to be implemented on
prior to the initiation of construction
those projects not yet surveyed and platted out
activities).
prior to October 1, 2012 even if other plats
and construction activities in the same
. OC
CTHER ONTROLS
development or other extended area were
authorized prior to October 1, 2012.
.(1). WD
All wastes
CASTEISPOSAL
composed of building materials must be
. SWM
A
BTORM ATERANAGEMENT
removed from the site for disposal in
description of measures that will be installed
permitted disposal facilities. No building
during construction to control pollutants in
material wastes or unused building materials
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shall be buried, dumped, or discharged at the warrant them, regular inspections are not
site.required on areas that have been stabilized
.(2).
Off-site vehicle tracking of with a perennial, vegetative cover of sufficient
C
sediments shall be minimized. density to preclude erosion.
.(3)..
The plan shall ensure and Disturbed areas and areas used for
CA
demonstrate compliance with applicable State storage of materials that are exposed to
or local waste disposal, sanitary sewer or precipitation shall be inspected for evidence
septic system regulations. of, or the potential for, pollutants entering the
drainage system. Erosion and sediment
. ASLP
control measures identified in the plan shall
DPPROVEDTATE OR OCALLANS
Facilities which discharge storm water be observed to ensure that they are operating
associated with industrial activity for correctly. Where discharge locations or
construction activities must include in their points are accessible, they shall be inspected
storm water pollution prevention plan to ascertain whether erosion control measures
procedures and requirements specified in are effective in preventing significant impacts
applicable sediment and erosion site plans or to receiving waters. Locations where vehicles
storm water management plans approved by enter or exit the site shall be inspected for
State or local officials. Applicable evidence of offsite sediment tracking.
requirements specified in sediment and
.
erosion plans, site permits or storm water Based on the results of the inspection,
B
management plans approved by State or local the description of potential pollutant sources
officials that are applicable to protecting identified in the plan in accordance with
surface water resources are, upon submittal of paragraph IV.D.1. of this permit and pollution
an NOI to be authorized to discharge under prevention measures identified in the plan in
this permit, incorporated by reference and are accordance with paragraph IV.D.2. of this
enforceable under this permit even if they are permit shall be revised as appropriate as soon
not specifically included in a storm water as practicable after such inspection. Such
pollution prevention plan required under this modifications shall provide for
permit. implementation of any changes to the plan
within 7 calendar days following the
Operators of facilities seeking alternative inspection.
permit requirements shall submit an individual
.
permit application in accordance with Part A report summarizing the scope of the
C
I.C.2. of this permit along with a description inspection, name(s) and qualifications of
of why requirements in approved State or personnel making the inspection, the date(s)
local plans should not be applicable as a of the inspection, major observations relating
condition of an NPDES permit. to the implementation of the storm water
pollution prevention plan, and actions taken in
3. M
A description of procedures accordance with paragraph IV.D.4.. of the
AINTENANCE
B
to maintain in good and effective operating permit shall be made and retained as part of
conditions vegetation, erosion and sediment the storm water pollution prevention plan for
control measures and other protective at least three years after final stabilization has
measures identified in the site plan. been achieved and a Notice of
Discontinuation has been submitted to the
4. I
Qualified personnel (provided Department. The report shall be signed in
NSPECTIONS
by the discharger) shall inspect disturbed accordance with Part VI.G. of this permit.
areas of the construction site that have not
5.N-SWD
been stabilized with a perennial, vegetative Except
ONTORM ATERISCHARGES
cover of sufficient density to preclude erosion for flows from fire fighting activities, sources
at least once every seven calendar days. of non-storm water listed in Part III.A.2. of
Unless erosion is evident or other conditions this permit that are combined with storm
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OWAEPARTMENT OF ATURALESOURCESENERALERMITO
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TORMATERISCHARGESSOCIATED WITH NDUSTRIALCTIVITY FOR ONSTRUCTIONCTIVITIES
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water discharges associated with industrial owner and other co-permittee contractors. All
activity from construction activities must be certifications must be included in the storm
identified in the plan. The plan shall identify water pollution prevention plan.
and ensure the implementation of appropriate
. CS
pollution prevention measures for the non- All
BERTIFICATIONTATEMENT
storm water component(s) of the discharge. contractors and subcontractors identified in a
storm water pollution prevention plan in
6. ARS
accordance with Part IV.D.7.. of this permit
DDITIONALEQUIREMENTS FOR TORM
A
WDI
shall sign a copy of the following certification
ATERISCHARGE FROM NDUSTRIAL
AOC,
statement before conducting any professional
CTIVITIESTHER THAN ONSTRUCTION
,
service at the site identified in the storm water
INCLUDING DEDICATED ASPHALT PLANTS
This pollution prevention plan:
AND DEDICATED CEMENT PLANTS
permit may only authorize a storm water
discharge associated with industrial activity "I certify under penalty of law that I
from a construction site that is mixed with a understand the terms and conditions of the
storm water discharge from an industrial general National Pollutant Discharge
source other than construction, where: Elimination System (NPDES) permit that
authorizes the storm water discharges
.
the industrial source other than associated with industrial activity from the
A
construction is located on the same site as the construction site as part of this certification.
construction activity; Further, by my signature, I understand that I
am becoming a co-permittee, along with the
.
storm water discharges associated with owner(s) and other contractors and
B
industrial activity from the areas of the site subcontractors signing such certifications, to
where construction activities are occurring are the Iowa Department of Natural Resources
in compliance with the terms of this permit; NPDES General Permit No. 2 for "Storm
and,Water Discharge Associated with Industrial
Activity for Construction Activities" at the
.
storm water discharges associated with identified site. As a co-permittee, I
C
industrial activity from the areas of the site understand that I, and my company, are
where industrial activity other than legally required under the Clean Water Act
construction are occurring (including storm and the Code of Iowa, to ensure compliance
water discharges from dedicated asphalt with the terms and conditions of the storm
plants and dedicated cement plants) are in water pollution prevention plan developed
compliance with the terms and conditions, under this NPDES permit and the terms of this
including applicable NOI or application NPDES permit."
requirements, of a different NPDES general
permit or individual permit authorizing such The certification must include the name and
discharges.
title of the person providing the signature; the
name, address and telephone number of the
7.C
contracting firm; the address (or other
ONTRACTORS
identifying description) of the site; and the
.
The storm water pollution prevention plan
date the certification is made.
A
must clearly identify for each measure in the
plan, the contractor(s) and/or subcontractor(s)
V.RETENTIONOFRECORDS
that will implement the measure. All PART
contractors and subcontractors identified in
A.
the plan must sign a copy of the certification The permittee shall retain copies of storm
statement in Part IV.D.7.. of this permit in water pollution prevention plans and all
B
accordance with Part VI.G. of this permit. reports required by this permit, and records of
Upon signing the certification, the contractor all data used to complete the Notice of Intent
or sub-contractor is a co-permittee with the to be covered by this permit, for a period of at
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least three years from the date that the site is if this permit has not yet been modified to
finally stabilized and a Notice of incorporate the requirement.
B. CEG
Discontinuation has been submitted to the
ONTINUATION OF THE XPIRED ENERAL
P
Department. This permit expires on October 1,
ERMIT
2017. An expired general permit continues in
B.
If there is a construction trailer, shed or other force until replaced by adoption of a new
covered structure located on the property the general permit.
permittee shall retain a copy of the storm
C.NHRAN
water pollution prevention plan required by
EED TO ALT OR EDUCECTIVITYOT A
D
this permit at the construction site from the It shall not be a defense for a
EFENSE
date of project initiation to the date of final permittee in an enforcement action that it
stabilization. If there is no construction would have been necessary to halt or reduce
trailer, shed or other covered structure located the permitted activity in order to maintain
on the property, the permittee shall retain a compliance with the conditions of this permit.
copy of the plan at a readily available
D.DM
alternative site approved by the Department The permittee shall take
UTY TO ITIGATE
and provide it for inspection upon request. If all reasonable steps to minimize or prevent
the plan is maintained at an off-site location any discharge in violation of this permit
such as a corporate office, it shall be provided which has a reasonable likelihood of
for inspection no later than three hours after adversely affecting human health or the
being requested. environment.
C.AE.DPI
All written correspondence to The
DDRESSESUTY TO ROVIDENFORMATION
the Department should be sent to the permittee shall furnish to the Department,
following address: within three hours, any information which the
Department may request to determine
Storm Water Coordinator compliance with this permit. The permittee
Iowa Department of Natural Resources shall also furnish to the Department upon
502 E. 9th St. request copies of records required to be kept
Des Moines, IA 50319-0034 by this permit.
F. OI
When the permittee
THER NFORMATION
PARTVI.STANDARDPERMITCONDITIONS
becomes aware that he or she failed to submit
any relevant facts or submitted incorrect
A.DC
information in the Notice of Intent or in any
UTY TO OMPLY
other report to the Department, he or she shall
1. The permittee must comply with all promptly submit such facts or information.
conditions of this permit. Any permit
G.SR
noncompliance constitutes a violation of the All Notices of
IGNATORYEQUIREMENTS
Code of Iowa and the Clean Water Act and is Intent, storm water pollution prevention plans,
grounds for enforcement action; for reports, certifications or information either
termination of coverage under this general submitted to the Department or the operator of
permit; or, for denial of a request for coverage a municipal separate storm sewer system, or
under a reissued general permit. that this permit requires be maintained by the
permittee, shall be signed in accordance with
TP
2. The permittee shall rule 567--64.3(8) of the Iowa Administrative
OXIC OLLUTANTS
comply with effluent standards or prohibitions Code as follows:
established under section 307(a) of the Clean
Water Act (CWA) for toxic pollutants within
the time provided in the regulations that
64.3(8) Identity of signatories of operation
establish these standards or prohibitions, even
permit applications. The person who signs
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the application for an operation permit shall significant penalties for submitting false
be: information, including the possibility of fine
and imprisonment for knowing violations."
a.I.OHSL
Corporations. In the case of corporations,
IL AND AZARDOUS UBSTANCEIABILITY
a principal executive officer of at least the Nothing in this permit shall be construed to
level of vice-president. preclude the institution of any legal action or
relieve the permittee from any responsibilities,
b.
Partnerships. In the case off a partnership, liabilities, or penalties to which the permittee
a general partner. is or may be subject under section 311 of the
Clean Water Act.
c.
Sole proprietorships. In the case of a sole
J.PR
proprietorship, the proprietor. The issuance of this
ROPERTYIGHTS
permit does not convey any property rights of
d.
Public facilities. In the case of a any sort, nor any exclusive privileges, nor
municipal, state, or other public facility, by does it authorize any injury to private property
either the principal executive officer, or the nor any invasion of personal rights, nor any
ranking elected official. infringement of Federal, State or local laws or
regulations.
e.
Storm water discharge associated with
K.S
industrial activity from construction activity. The provisions of this permit
EVERABILITY
In the case of a storm water discharge are severable, and if any provision of this
associated with industrial activity from permit, or the application of any provision of
construction as identified in 40 CFR this permit to any circumstance, is held
122.26(b)(14)(x), either the owner of the site invalid, the application of such provision to
or the general contractor. other circumstances, and the remainder of this
permit shall not be affected thereby.
The person who signs NPDES reports shall be
L.T
the same, except that in the case of a This permit is not transferable to
RANSFERS
corporation or a public body, monitoring any person except after notice to the
Department. The Department may require the
reports required under the terms of the permit
discharger to apply for and obtain an
may be submitted by the person who is
individual NPDES permit as stated in Part I.C.
responsible for the overall operation of the
facility from which the discharge originated.
M.POM
ROPERPERATION AND AINTENANCE
The permittee shall at all times properly
operate and maintain all facilities and systems
H.C
Any person signing
ERTIFICATION
of treatment and control (and related
documents under paragraph VI.G. shall make
appurtenances) which are installed or used by
the following certification:
the permittee to achieve compliance with the
conditions of this permit and with the
"I certify under penalty of law that this
requirements of storm water pollution
document and all attachments were prepared
prevention plans. Proper operation and
under my direction or supervision in
maintenance also includes adequate laboratory
accordance with a system designed to assure
controls and appropriate quality assurance
that qualified personnel properly gathered and
procedures. Proper operation and
evaluated the information submitted. Based
maintenance requires the operation of backup
on my inquiry of the person or persons who
or auxiliary facilities or similar systems,
manage the system, or those persons directly
installed by a permittee only when necessary
responsible for gathering the information, the
to achieve compliance with the conditions or
information submitted is, to the best of my
this permit.
knowledge and belief, true, accurate, and
complete. I am aware that there are
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N.IE
The permittee shall practices, maintenance procedures, and other
NSPECTION AND NTRY
allow the Department or an authorized management practices to prevent or reduce the
representative of EPA, the State, or, in the pollution of waters of the United States. BMPs also
case of a facility which discharges through a include treatment requirements, operating
municipal separate storm sewer, an authorized procedures, and practices to control plant site runoff,
representative of the municipal operator or the spillage or leaks, sludge or waste disposal, or
separate storm sewer receiving the discharge, drainage from raw material storage.
upon the presentation of credentials and other
”
documents as may be required by law, to: “Construction sitemeans a site or common
plan of development or sale on which construction
activity, including clearing, grading and excavating,
l. Enter upon the permittee's premises where a
results in soil disturbance. A construction site is
regulated facility or activity is located or
considered one site if all areas of the site are
conducted or where records must be kept
contiguous with one another and one entity owns all
under the conditions of this permit;
areas of the site.
2. Have access to and copy at reasonable
"" or ""
CWAClean Water Act means the
times, any records that must be kept under the
Federal Water Pollution Control Act.
conditions of this permit; and,
""
Dedicated portable asphalt plant means a
3. Inspect at reasonable times any facilities or
portable asphalt plant that is located on or contiguous
equipment (including monitoring and control
to a construction site and that provides asphalt only
equipment).
to the construction site that the plant is located on or
adjacent to.
O.PA
Coverage under this
ERMITCTIONS
permit may be terminated for cause. The
""
Dedicated portable concrete plant means a
filing of a request by the permittee for a
portable concrete plant that is located on or
permit discontinuance, or a notification of
contiguous to a construction site and that provides
planned changes or anticipated
concrete only to the construction site that the plant is
noncompliance does not stay any permit
located on or adjacent to.
condition.
""
Dedicated sand or gravel operation means
P.EL
No condition of this
NVIRONMENTALAWS
an operation that produces sand and/or gravel for a
permit shall release the permittee from any
single construction project.
responsibility or requirements under other
environmental statutes or regulations.
""
Department means the Iowa Department of
Natural Resources.
PARTVII.REOPENERCLAUSE
""
Final Stabilization means that all soil
disturbing activities at the site have been completed,
If there is evidence indicating potential or realized
and that a uniform perennial vegetative cover with a
impacts or water quality due to any storm water
density of 70% for the area has been established or
discharge associated with industrial activity for
equivalent stabilization measures have been
construction activities covered by this permit, the
employed or which has been returned to agricultural
owner or operator of such discharge may be required
production.
to obtain individual permit in accordance with Part
I.C of this permit.
""
Hazardous condition means any situation
involving the actual, imminent, or probable spillage,
leakage, or release of a hazardous substance on to the
PARTVIII.DEFINITIONS
land, into a water of the state, or into the atmosphere,
which creates an immediate or potential danger to the
""
Best Management Practices ("BMPs")
means schedules of activities, prohibitions of
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public health or safety or to the environment. Iowa Antidegradation Implementation Procedure
455B.381(2) 1991, Code of Iowamanual.
"" ""
Hazardous substance means any Permittee means the owner of the facility
substance or mixture of substances that presents a or site.
danger to the public health or safety and includes, but
""
is not limited to, a substance that is toxic, corrosive, Qualified personnel means those
individuals capable enough and knowledgeable
or flammable, or that is an irritant or that, in
enough to perform the required functions adequately
confinement, generates pressure through
well to ensure compliance with the relevant permit
decomposition, heat, or other means. The following
conditions and requirements of the Iowa
are examples of substances which, in sufficient
Administrative Code.
quantity may be hazardous: acids; alkalis;
explosives; fertilizers; heavy metals such as
""
Runoff coefficient means the fraction of
chromium, arsenic, mercury, lead and cadmium;
total rainfall that will appear at the conveyance as
industrial chemicals; paint thinners; paints;
runoff.
pesticides; petroleum products; poisons, radioactive
materials; sludges; and organic solvents.
""
Storm Water means storm water runoff,
"Hazardous substances" may include any hazardous
snow melt runoff, and surface runoff and drainage.
waste identified or listed by the administrator of the
United State Environmental Protection Agency under
"
Storm water discharge associated with
the Solid Waste Disposal Act as amended by the
"
industrial activity means the discharge from any
Resource Conservation and Recovery Act of 1976, or
conveyance which is used for collecting and
any toxic pollutant listed under section 307 of the
conveying storm water and which is directly related
federal Water Pollution Control Act as amended to
to manufacturing, processing or raw materials storage
January 1, 1977, or any hazardous substance
areas at an industrial plant. The term does not
designated under section 311 of the federal Water
include discharges from facilities or activities
Pollution Control Act as amended to January 1, 1977,
excluded from the NPDES program under 40 CFR
or any hazardous material designated by the secretary
part 122. For the categories of industries identified
of transportation under the Hazardous Materials
in paragraphs (i) through (x) of this definition, the
Transportation Act (49 CFR 172.101). 455B.381(1) ,
term includes, but is not limited to, storm water
1991 Code of Iowa
discharges from industrial plant yards; immediate
access roads and rail lines used or traveled by carriers
""
Municipality means a city, town, borough,
of raw materials, manufactured products, waste
county, parish, district, association, or other public
material, or by-products used or created by the
body created by or under State law.
facility; material handling sites; refuse sites; sites
used for the application or disposal of process waste
""
NOI means Notice of Intent to be covered
waters (as defined at 40 CFR part 401); sites used for
by this permit (see Part II of this permit.)
the storage and maintenance of material handling
equipment; sites used for residual treatment, storage,
""
Outstanding Iowa Waters means those
or disposal; shipping and receiving areas;
waters which constitute an outstanding state resource
manufacturing buildings; storage areas (including
such as waters of exceptional recreational or
tank farms) for raw materials, and intermediate and
ecological significance. These waters are identified
finished products; and areas where industrial activity
in Appendix B of the Iowa Antidegradation
has taken place in the past and significant materials
Implementation Procedure manual.
remain and are exposed to storm water.
""
Outstanding National Resource Waters
For the categories of industries identified in
means those waters which constitute an outstanding
paragraph (xi) of this definition, the term includes
national resource such as waters of national and state
only storm water discharges from all the areas
parks and wildlife refuges and also waters of
(except access roads and rail lines) that are listed in
exceptional recreational or ecological significance.
the previous sentence where material handling
These waters are identified in Appendix B of the
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equipment or activities, raw materials, intermediate
operations are mining sites that are not being actively
products, final products, waste materials, by-
mined, but which have an identifiable
products, or industrial machinery are exposed to
owner/operator; inactive mining sites do not include
storm water. For the purposes of this paragraph,
sites where mining claims are being maintained prior
material handling activities include the storage,
to disturbances associated with the extraction,
loading and unloading, transportation, or conveyance
beneficiation, or processing of mined materials, nor
of any raw material, intermediate product, finished
sites where minimal activities are undertaken for the
product, by-product, or waste product. The term
sole purpose of maintaining a mining claim);
excludes areas located on plant lands separate from
the plant's industrial activities, such as office
(iv) Hazardous waste treatment, storage, or
buildings and accompanying parking lots as long as
disposal facilities, including those that are operating
the drainage from the excluded areas is not mixed
under interim status or a permit under Subtitle C of
with storm water drained from the above described
RCRA;
areas. Industrial facilities (including industrial
facilities that are Federally, State, or municipally
(v) Landfills, land application sites, and open
owned or operated that meet the description of the
dumps that receive or have received any industrial
facilities listed in these paragraphs (i)-(xi) of the
wastes (waste that is received from any of the
definition) include those facilities designated under
facilities described under this subsection) including
40 CFR 122.26(a)(1)(v). The following categories of
those that are subject to regulation under Subtitle D
facilities are considered to be engaging in "industrial
of RCRA;
activity" for purposes of this definition;
(vi) facilities involved in the recycling of
(i) Facilities subject to storm water effluent
materials, including metal scrap yards, battery
limitations guidelines, new source performance
reclaimers, salvage yards, and automobile junkyards,
standards, or toxic pollutant effluent standards under
including but limited to those classified as Standard
40 CFR Subchapter N (except facilities with toxic
Industrial Classification 5015 and 5093;
pollutant effluent standards which are exempted
under category (xi) of this definition);
(vii) Steam electric power generating
facilities, including coal handling sites;
(ii) Facilities classified as Standard Industrial
Classifications 24 (except 2434), 26 (except 265 and (viii) Transportation facilities classified as
267), 28 (except 283 and 285), 29, 311, 32 (except Standard Industrial Classifications 40, 41, 42 (except
323), 33, 3441, 373; 4221-4225), 43, 44, 45 and 5171 which have vehicle
maintenance shops, equipment cleaning operations,
(iii). Facilities classified as Standard or airport deicing operations. Only those portions of
Industrial Classifications 10 through 14 (mineral the facility that are either involved in vehicle
industry) including active or inactive mining maintenance (including vehicle rehabilitation,
operations (except for areas of coal mining mechanical repairs, painting, fueling, and
operations no longer meeting the definition of a lubrication), equipment cleaning operations, airport
reclamation area under 40 CFR 434.11(1) because
deicing operations, or which are otherwise identified
the performance bond issued to the facility by the
under paragraphs (i)-(vii) or (ix)-(xi) of this
appropriate SMCRA authority has been released, or
definition are associated with industrial activity;
except for areas of non-coal mining operations which
have been released from applicable State or Federal
(ix) Treatment works treating domestic
reclamation requirements after December 17, 1990)
sewage or any other sewage sludge or wastewater
and oil and gas exploration, production, processing,
treatment device or system, used in the storage
or treatment operations, or transmission facilities that
treatment, recycling, and reclamation of municipal or
discharge storm water contaminated by contact with
domestic sewage, including land dedicated to the
or that has come into contact with, any overburden,
disposal of sewage sludge that are located within the
raw material, intermediate products, finished
confines of the facility, with a design flow of 1.0
products, byproducts or waste products located on
mgd or more, or required to have an approved
the site of such operations; (inactive mining
pretreatment program under 40 CFR 403. Not
15
IDNRNPDESGPN.2
OWAEPARTMENT OF ATURALESOURCESENERALERMITO
SWDAIACA
TORMATERISCHARGESSOCIATED WITH NDUSTRIALCTIVITY FOR ONSTRUCTIONCTIVITIES
ED-O1,2012O1,2017
FFECTIVEATECTOBER TO CTOBER
included are farm lands, domestic gardens or lands
used for sludge management where sludge is
beneficially reused and which are not physically
located in the confines of the facility, or areas that are
in compliance with 40 CFR 503;
(x) Construction activity including clearing,
grading and excavation activities except: operations
that result in the disturbance of less than one acre of
total land area which are not part of a larger common
plan of development or sale;
(xi) Facilities under Standard Industrial
Classifications 20, 21, 22, 23, 2434, 25, 265, 267, 27,
283, 285, 30, 31 (except 311), 323, 34 (except 3441),
35, 36, 37 (except 373), 38, 39, 4221-4225, (and
which are not otherwise included within categories
(ii)-(x));
"
Storm water discharge associated with
"
industrial activity for construction activities means
activities that fall under subparagraph (x) in the
definition of storm water discharge associated with
industrial activity.
""
Topsoil means the fertile, uppermost part
of the soil containing significant organic matter
largely devoid of debris and rocks and often
disturbed in cultivation.
“"
Uncontaminated groundwater means
water that is potable for humans, meets the narrative
water quality standards in subrule 567-61.3(2) of the
Iowa Administrative Code, contains no more than
half the listed concentration of any pollutants in
subrule 567-61.3(3) of the IAC, has a pH of 6.5-9.0
and is located in soil or rock strata.
16
DEPARTMENT OF NATURAL RESOURCES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
NOTICE OF GENERAL PERMIT COVERAGE UNDER
GENERAL PERMIT NO. 2
STORM WATER DISCHARGE ASSOCIATED WITH CONSTRUCTION ACTIVITY
This notice of general permit coverage for a storm water discharge associated with construction activity is
issued pursuant to the authority of section 402 (b) of the Clean Water Act (U.S.C. 1342(b)), Iowa Code
455B.174, and subrule 567--64.4(2), Iowa Administrative Code. A Notice of Intent has been filed with
the Iowa Department of Natural Resources that this storm water discharge complies with the terms and
conditions of NPDES General Permit No. 2. Authorization is hereby issued to discharge storm water
associated with industrial activity as defined in Part VIII of the Iowa Department of Natural Resources
NPDES General Permit No. 2 in accordance with the terms and conditions set forth in the permit.
Owner:ADVANTAGE DEVELOPMENT
740 LIBERTY WAY, SUITE 1
NORTH LIBERTY IA 52317
(319)665-2997
Permit Coverage Issued To:
MACKINAW VILLAGE, PART TWO AND PART SIX - CONSTRUCTION
MANITOU TRAIL, MACKINAW DR. AND TRANQUIL BLUFF TRAIL
in IOWA CITY, JOHNSON COUNTY
located at
1/4 SectionSectionTownshipRange
NW479N6W
Coverage Provided Through:10/20/2020
NPDES Permit Discharge Authorization Number:8447 - 8252
Discharge Authorization Date:10/20/2004
Project Description: CONSTRUCTION OF RESIDENTIAL SUBDIVISION 20.0 ACRES
DEPARTMENT OF NATURAL RESOURCES / DES MOINES, IOWA 50319 / 515-725-8200 / FAX 515-725-8202