Topics:

Wastewater Permitting
Back to top

General Information

The NPDES Section of the Iowa Department of Natural Resources issues discharge permits under delegation of a federal program known as the National Pollutant Discharge Elimination System (NPDES) permit program. The NPDES program regulates the direct discharge of wastewater to surface waters. For more information on the Iowa DNR's NPDES Program, please see the discussion in the accordion below.

NPDES Email Contacts

The NPDES Section accepts all mail electronically. Please submit all documents, except permit applications and fees, to npdes.mail@dnr.iowa.gov.

Individual NPDES and operation permit applications should be submitted via e-mail. Please see the individual NPDES application forms page for more information.

Back to top

Electronic Permit Notifications

Public notices and notifications for individual NPDES and operation permits are available electronically. Sign up for electronic notifications in the Wastewater Permit information Exchange (WWPIE) database. Sign up instructions are available in the WWPIE section of the NPDES Databases page.

NPDES Program

Back to top

EO10 Rulemaking

Executive Order 10 (EO10), signed by the Governor in January of 2023, requires all state agencies to identify which administrative rule chapters will be retained or rescinded. For more information on proposed EO10 changes to the wastewater rules, please see the Water Quality Rulemaking page.

Back to top

Electronic Fee Payments

The NPDES Section now accepts electronic payments for individual NPDES annual, application and amendment fees. To make an electronic payment, proceed to DNR Payment Portal and choose “Pay Individual NPDES and Operation Wastewater Permit Fees”. Search for your fee using the permit number or facility name, and follow the on screen instructions. For more information on the fees, please see the NPDES Fees page.

Back to top

Renewal of NPDES General Permits

In 2022, General Permits 5 (mining), 6 (wells), 7 (pesticides), 8 (hydrostatic), and 9 (dewatering) were renewed effective July 1, 2023. The storm water general permits (GPs 1-3) and the onsite wastewater general permit (GP 4) were renewed effective March 1, 2023. For more information on these general permits, please see the NPDES General Permits page.

Back to top

Disadvantaged Communities

For more information on how a community or entity can qualify as disadvantaged, please see the Rural Community Sewers page.

Back to top