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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

July 30, 2026

Iowa DNR investigating boating fatality on Clear Lake

The Iowa Department of Natural Resources (DNR) is investigating a boating fatality that occurred on the west end of Clear Lake earlier today.

Boating
July 29, 2026

Public meeting to discuss shoreline restoration at Pilsbury Point

Iowa DNR will host a public meeting on August 6 at 6 p.m. at the Maser Monarch Lodge in Okoboji to discuss restoration at Pilsbury Point on West Lake Okoboji.

July 29, 2026

Eurasian watermilfoil treated in West Okoboji Lake canal

Iowa Department DNR recently discovered and treated a small, isolated population of Eurasian watermilfoil growing in the canal system south of Miller’s Bay.

Invasive Species
July 28, 2026

Learn to Hunt program opens registration for online dove hunting workshop

Iowa DNR is offering a program to teach skills needed to hunt, field dress and cook mourning doves to individuals who have little to no dove hunting experience.

Hunting - Education

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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