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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

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  • Drinking Water Compliance Forms

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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

July 17, 2026

Important Changes Heading in to the 2026-2027 Hunting Seasons

Iowa DNR announces 2026-2027 hunting season updates, including new deer hunting zones and license sales starting August 15 at 9 a.m.

Hunting
News - Featured
July 16, 2026

DNR to host meetings on changes for upcoming deer season in western and northwestern Iowa

Iowa DNR will host meetings Aug 3-6 on new deer season zones and rules. Understand Zone B changes before licenses go on sale August 15.

Hunting
Public meeting
July 16, 2026

Environmental Protection Commission meeting agenda, published 07/16/2026

The Environmental Protection Commission (EPC) of the Iowa Department of Natural Resources (DNR) will have their monthly business meeting July 21, 2026.

Environmental Protection Commission
July 16, 2026

Air quality permits for review, published 07/16/2026

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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