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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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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

January 27, 2026

2025 hunting, fishing license sales

In 2025, Iowa residents purchased…

News - Featured
Hunting
Fishing
January 27, 2026

Eight Iowa state parks to host Take It Outside camps this summer

Iowa DNR will host Take It Outside State Park Camps for families living near Waterloo, West Des Moines, Anamosa, Vernon, Madrid, Maquoketa, Palo and Polk City.

News - Featured
State Parks
January 23, 2026

Training Opportunity to Become a Volunteer Bald Eagle Nest or Osprey Monitor

Volunteer to monitor Bald Eagle & Osprey nests with the Iowa DNR! Join our virtual training on Feb 7th (12-4 PM). Limited spots so register now!

Volunteer Wildlife Monitoring
January 22, 2026

[Feb 13] Environmental Engineer - Land Quality Bureau

Launch your Environmental Engineer career with the DNR. Join the Land Quality Bureau for meaningful public service, hands-on experience, and work-life balance.

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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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