NPDES Pesticides General Permit
In accordance with Federal Requirements in the Clean Water Act, the NPDES section developed a general permit for the application of pesticides to Waters of the United States (WOUS). Coverage under this permit is required for pesticide applications that result in residue discharges to WOUS. Applicable pesticide applications include those for control of mosquitoes and other aquatic nuisance insects, control of weeds, algae, bacteria, fungi and fish parasites, control of aquatic nuisance animals, and forest canopy pest control.
The Final Rule concerning the pesticides General Permit (PGP) was adopted at the Environmental Protection Commission (EPC) meeting on January 18, 2011. The Pesticide General Permit for Point Source Discharges to Waters of the United States from the Application of Pesticides become effective March 30, 2011.
Please see the links below for more information concerning the PGP, the waterbodies referenced in the permit, and forms required by the permit.
| Final General Permit #7 and Additional Information |
PDF Link |
Pesticides General Permit #7
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Pesticides General Permit Rationale
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| Pesticide General Permit Summary Tables |
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| Waterbody Reference Tables for Pesticides General Permit |
PDF Link |
| Iowa Waterbodies Designated for Drinking Water Use (Class C) |
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Outstanding Iowa Waters (OIW)
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| Topeka Shiner Habitat Maps |
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| Pesticide General Permit Forms |
DNR form # |
Form Type and Link |
| Class C Waters Form |
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coming soon
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| Notice of Intent (NOI) Form |
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coming soon |
| Notice of Discontinuation (NOD) Form |
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coming soon |
For more information on the PGP or the PGP forms, please contact:
For more information on EPA's draft NPDES permit for pesticides, please see
EPA's Pesticides page.