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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
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  • Wastewater Permitting (NPDES)
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Water Quality Starts Here

  • Watershed Improvement

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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

October 21, 2025

Fun ways to celebrate Iowa forests this fall

It's the perfect time in Iowa to appreciate our forests, witness the peak fall colors, tackle invasive plants, and let leaves benefit our wildlife.

Forestry
News - Featured
October 21, 2025

Enjoy Iowa’s natural landscapes fishing rivers and streams this fall 2025

Fall is a great time to catch fish in Iowa’s rivers. A unique angling challenge is hidden around every bend.

News - Featured
October 21, 2025

Deer movements increase as peak of breeding season nears

Drivers take note, it’s mid-October and deer are on the move. Deer movement increases during the breeding season, peaking around the first week of November.

News - Featured
October 21, 2025

DNR fall community trout stockings delayed due to warm weather

Iowa DNR is postponing the fall community trout stockings scheduled for October 23, 24 and 25 due to warm water temperatures.

News - Featured

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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