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Two children in life jackets fishing with their mom on a small rock outcropping on a lake.

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 project, overflow water running over rocks.

    Watershed Improvement

  • Adobe stock photo showing green hose dropped down into a manhole.

    Private Sewage Disposal & Septage

  • USFWS Midwest Region nutrient reduction strategy project photo, showing large river broken up with areas of dense trees.

    Nutrient Reduction Strategy

  • Sandy beach with dense trees around opposite side of a lake in Iowa.

    Beach Monitoring Dashboard

  • Water Supply Engineering image showing tanks, pipes and other monitoring equipment.

    Water Supply Engineering

  • Beautiful blue sky and lake with a fishing dock.

    Water Summary Update

Water Quality Permits & Forms

  • Drinking Water Compliance Forms

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  • Stormwater Permit Information

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  • Water Supply Engineering Construction Permits

Water Quality Additional Resources

  • Find an Environmental Field Office

  • Programs & Services

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  • DNR Payment Portal

  • Volunteer Opportunities

  • Open Records Request

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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 28, 2026

Air Quality Client Contact Meeting on 11/19: Opportunity to Submit Agenda Items

The Air Quality Bureau is having a client contact meeting on November 19. Please submit any agenda topics by October 30th.

Air Quality
October 27, 2026

DNR investigating liquid fertilizer spill in Lee County

The Iowa Department of Natural Resources is investigating a liquid fertilizer spill near Fort Madison in Lee County.

Advisory
October 27, 2026

Banner, Olofson shooting ranges shifting to winter hours

Banner Shooting Range, located between Indianola and Des Moines on Hwy 65/69, is a multi-use shooting facility that offers a safe, clean shooting environment.

Shooting Ranges
October 27, 2026

2027 Summer seasonal Water Patrol Officer positions open

The temporary, summer employees of the Iowa DNR Law Enforcement Bureau are positions of high responsibility.

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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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