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Iowa's natural resources plates include the state bird and flower, pheasant, eagle, buck and a Brook trout. Support conservation in Iowa by buying a natural resource plate for your vehicle.
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The Permit Listing files linked below contain information on facilities that hold individual NPDES and operation permits and are authorized to discharge wastewater to surface waters in Iowa. The files contain the name, address, discharge location, and other commonly requested information on each permitted discharge. The files do not contain information on any of the discharges authorized under the NPDES General Permits, including storm water General Permits #1, #2, and #3. The Excel file can be downloaded and manipulated to provide customized lists of information, and the pdf file can be downloaded in the event Excel is not installed on your computer.
Permit Listing Spreadsheet Permit Listing These documents were last updated on May 9, 2018.
Individual permit documents (final and draft permits, rationales, etc.), are available on the Wastewater Permit Information Exchange (WWPIE) system. The search function can be used to find the permit documents for any individual NPDES permit in Iowa. Please note, authorizations under general Permits Nos. 1 - 7 are not included in WWPIE and facilities covered by these permits will not appear in the WWPIE search. Only final and draft individual, non-storm water NPDES and operation permits are included. Expired, closed, and revoked permits are not searchable or available in WWPIE.
The Permit Listing files linked above do not contain information on any of the discharges authorized under the NPDES General Permits, including storm water General Permits #1, #2, and #3. If you wish to see information on the discharges authorized under General Permits #1 for Storm Water Discharge Associated with Industrial Activity, #2 for Storm Water Discharge Associated with Construction Activities, and #3 for Storm Water Discharge Associated with Industrial Activity from Asphalt Plants, Concrete Batch Plants, Rock Crushing Plants and Construction Sand and Gravel Facilities, please go to the Online Storm Water Permit database.
There is currently no listing of the discharges authorized under General Permits #4, #5, #6, and #7 on the webpage. For more information on these general permits, please see the NPDES General Permits page.
Questions on the list of individual NPDES permits in Iowa or on WWPIE should be directed to Courtney Cswercko at Courtney.Cswercko@dnr.iowa.gov.