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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

  • Private Sewage Disposal & Septage

  • Nutrient Reduction Strategy

  • Beach Monitoring Dashboard

  • Water Supply Engineering

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Water Quality Permits & Forms

  • Drinking Water Compliance Forms

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Water Quality Additional Resources

  • Find an Environmental Field Office

  • Programs & Services

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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

November 21, 2025

Essential Fall tree care tips

Late fall to winter is ideal for tree pruning. Dormant pests, no leaves, and better structural visibility make it the perfect time.

Forestry
News - Featured
November 20, 2025

[12/3] Environmental Engineer

This position will be centered around technical review and project management for Solid Waste Sanitary Landfills.

Employment
November 20, 2025

Air quality permits for review, published 11/20/2025

The DNR Air Quality Bureau has the following draft permits up for review.

Air Quality Draft Permits
November 18, 2025

[Dec 01] SRF Project Compliance Specialist - Water Quality Bureau

This position performs professional duties under the direction of the SRF Coordinator and Supervisor.

Employment

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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