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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

March 31, 2026

2026 Iowa state archery tournament awards

Iowa’s National Archery in the Schools Program state tournament was held in Des Moines over the weekend.

Archery
March 31, 2026

DNR to discuss upcoming timber harvest at Volga River State Recreation Area during April 9 public meeting

Iowa DNR will host a public meeting about upcoming timber harvests at the Volga River State Recreation Area, at 5:30 p.m., April 9 at Upper Iowa University.

Forestry
March 31, 2026

Iowa’s annual frog and toad survey begins in April; 2025 survey results available online

Volunteers with Iowa’s frog and toad survey have been collecting important information for more than 35 years. They’ll head out again this year on April 1.

Volunteer Wildlife Monitoring
March 31, 2026

Find fleeting beauties of spring with the DNR weekly wildflower bloom report

Wildflowers are enticing treasures for wilderness lovers each spring. Get outside this spring and see what you can find.

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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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