Skip to main content
Official State of Iowa Website
Agencies A-Z Programs & Services
Back to home page
Department of Natural Resources

Main navigation

  • Programs & Services
    • Aquatic Invasive Species
    • Beach Monitoring
    • Beginning Farming & Habitat Leases
    • Business Regulatory Assistance
    • Conservation Law Enforcement
    • Disaster Assistance
    • Education & Learning
    • Engineering
    • Forestry Resources
    • Forms & Applications
    • GIS Analysis & Support
    • Geology & Oil Regulation
    • Help Us Stop Hunger (HUSH)
    • Iowa's Wildlife
    • Lake Restoration
    • Natural Resources License Plates
    • Prairie Resource Center
    • Realty & Land Services
    • Resource Enhancement & Protection (REAP)
    • Section 401 Water Quality Certification
    • Vehicle Registration & Bonding
    • Volunteer Opportunities
    • Wildlife Diversity Program
    • Wildlife Landowner Assistance
    • Wildlife Rehabilitation
  • Places to Go
    • Lakes, Ponds, and Reservoirs
    • State Forests
    • State Parks
    • State Preserves
    • Shooting Ranges
    • OHV Parks & Riding Areas
    • Water Trails
    • Wildlife Management Areas
  • Things to Do
    • Bird Watching
    • Boating
    • Equestrian
    • Iowa’s Accessible Outdoors
    • Camping
    • Paddling & River Recreation
    • Create a Backyard Habitat
    • Fishing
    • Geocaching
    • Hiking & Biking
    • Hunting & Trapping
    • Off-Highway Vehicles
    • Shooting Sports
    • Snowmobiling
    • Swimming
  • Environmental Protection
    • Air Quality
    • Animal Feeding Operations
    • Environmental Field Offices
    • Household Hazardous Materials
    • Land Quality
    • Spills & Emergency Planning
    • Water Quality
  • About
    • Go Outdoors Iowa
    • Administrative Rules
    • Boards & Commissions
    • Contact
    • Donations
    • Employment
    • Enforcement Actions
    • Environmental Field Offices
    • Fisheries Management
    • Fisheries Research Teams
    • Forestry Services
    • Forms & Applications
    • Grants & Funding
    • Hatcheries
    • Land Donors Reception
    • License Vendors
    • Mission, Vision & Leadership
    • Nondiscrimination, Accessibility & Language Access
    • Solicitations & Contract Conditions
  • Newsroom
    • Event Calendars
    • News Releases
    • Social Media
    • Iowa Outdoors Magazine
    • Take It Outside, Blog
Agencies A-Z Online Services

Breadcrumbs

  1. Home
  2. Environmental Protection
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

  • Private Sewage Disposal & Septage

  • Nutrient Reduction Strategy

  • Beach Monitoring Dashboard

  • Water Supply Engineering

  • Water Summary Update

Water Quality Permits & Forms

  • Drinking Water Compliance Forms

  • NPDES General Permits

  • NPDES Permit Application Forms

  • Stormwater Permit Information

  • Wastewater Construction Permits

  • Water Supply Engineering Construction Permits

Water Quality Additional Resources

  • Find an Environmental Field Office

  • Programs & Services

  • Grants & Funding

  • DNR Payment Portal

  • Volunteer Opportunities

  • Open Records Request

Image
A phone attached to a headset, laying on a desk.
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

December 11, 2025

Winter land application limits begin in December

Dry conditions and warm weather provided an early harvest and manure application season.

Animal Feeding Operations
December 11, 2025

County requirements to signup for evaluating animal confinement sites

Counties interested in evaluating construction permits for proposed animal feeding facilities must adopt a construction evaluation resolution.

Animal Feeding Operations
December 11, 2025

Pre-register for MAC training by Dec. 30 for commercial applications

Beginning Jan. 8, 2026, commercial manure applicators can fulfill annual training for manure applicator certification (MAC) requirements at 73 locations in Iowa

Animal Feeding Operations
December 11, 2025

Summer seasonal Environmental Monitoring Field Technician positions available

Summer seasonal positions at Iowa Department of Natural Resources (DNR) Water Quality Bureau are open for applications until December 31. 

Employment

Department of Natural Resources

Footer Social Media Menu

  • Opens in a new window.
  • Opens in a new window.
  • Opens in a new window.
  • Opens in a new window.
  • Opens in a new window.
  • Opens in a new window.

Iowa DNR Customer Service

6200 Park Avenue
Suite 200
Des Moines, IA 50321

Phone

515-725-8200

How can we help?

Share feedback with us

Footer Menu

Footer

  • Contact DNR
  • Newsroom
  • Accessibility Assistance
Back to home page

Contact Menu

  • Send Feedback

© 2025 State of Iowa - Read our accessibility, data, and privacy policies.