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Wastewater Permitting

Wastewater Permitting
News Release

New electronic fee payment option for Wastewater Construction permit applications and NPDES permits

The Wastewater Engineering and NPDES Sections now accept electronic payments for Wastewater Construction Permit applications and NPDES permit fees.

Display Date
June 29, 2023
Wastewater Permitting

Pretreatment

Information about local NPDES pretreatment programs and agreements in Iowa, care of the Iowa DNR.

Wastewater Permitting

GP6 - Water Wells

General information about Wastewater General Permit #6 (GP6), care of the NPDES Section of Iowa DNR.

Wastewater Permitting

Wastewater & NPDES Rules

General information about Iowa's wastewater and NPDES rules.

Wastewater Permitting

Clean Water State Revolving Fund

(CWSRF) offers loan funding to assist in financing design & construction of publicly-owned wastewater treatment facilities.

Wastewater Permitting
Forms & Applications

National Pollutant Discharge Elimination System (NPDES) Forms

Basic NPDES wastewater forms that are required to be submitted to comply with the Iowa DNR's individual and general permits.

Wastewater Permitting
Forms & Applications

Discharge Monitoring Report Forms

Discharge Monitoring Report (DMR) forms and submittal information.

Wastewater Permitting

Wastewater Construction

Learn about Iowa wastewater construction permits, which are required for the construction of any municipal and industrial treatment and collection facilities.

Wastewater Permitting

Wastewater Permitting - NPDES

Information about the National Pollutant Discharge Elimination System (NPDES) programs and requirements for obtaining a wastewater discharge permit.

Wastewater Permitting

Rural Community Sewers

The Iowa DNR works with rural communities to find funding sources and affordable treatment options.

Wastewater Permitting

General Permits

Information and details about the nine General NPDES Permits that the Iowa DNR issues and corresponding databases.

Wastewater Permitting
Water Quality

Nutrient Reduction Strategy

The Iowa Nutrient Reduction Strategy is a science & technology-based approach to assess and reduce nutrients delivered to Iowa waterways and the Gulf of Mexico

Wastewater Permitting

Bacteria Sampling

General requirements and guidance on wastewater bacteria sampling in Iowa, care of the NPDES section of the Iowa DNR.

Wastewater Permitting

Treatment Agreements

Information on treatment agreements under the NPDES Program for significant industrial users.

Wastewater Permitting

NPDES Staff & Contacts

NPDES Section Contact Information

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Iowa DNR Customer Service

6200 Park Avenue
Suite 200
Des Moines, IA 50321

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515-725-8200

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