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Water Quality

From drinking water to wastewater, and from wetlands to lakes, ensuring clean water is an important priority for Iowa.

  • Water Monitoring
  • Drinking Water
  • Water Quality Certification Programs
  • Wastewater Construction
  • Wastewater Permitting (NPDES)
  • Private Well Program

Water Quality Starts Here

  • Watershed Improvement

  • Private Sewage Disposal & Septage

  • Nutrient Reduction Strategy

  • Beach Monitoring Dashboard

  • Water Supply Engineering

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Water Quality Permits & Forms

  • Drinking Water Compliance Forms

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Water Quality Additional Resources

  • Find an Environmental Field Office

  • Programs & Services

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  • DNR Payment Portal

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  • Open Records Request

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Report a Spill

If in doubt, report it!

Quick reporting of hazardous spills is critical in providing the best emergency response. Call the Iowa DNR and local law enforcement right away.

Call our 24-hour line at 515-725-8694

Additional Spill Guidance

Water Quality News Releases

January 2, 2026

Water use permits for review, published 01/02/2026

The DNR Water Quality Bureau has the following draft water use permits posted for public review.

Water Use Permits
December 30, 2025

Icon of the wetlands, Iowa’s trumpeter swan population continues to grow

Iowa trumpeter swans are making a huge comeback. Successful restoration has the population "really taking off right now," says the DNR.

Iowa's Wildlife
December 29, 2025

Bundle up and get outside this Holiday Season

Keep the whole family active and entertained this holiday season and all winter long!

Urban Forestry Management
News - Featured
December 26, 2025

Air quality permits for review, published 12/26/2025

The DNR Air Quality Bureau has the following draft permits up for review.

Air Quality Draft Permits

Department of Natural Resources

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Iowa DNR Customer Service

6200 Park Avenue
Suite 200
Des Moines, IA 50321

Phone

515-725-8200

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