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Madison Water Utility

Water Utility

Joseph Grande, Interim General Manager

  • Founded in 1882

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  1. City of Madison
  2. Water Utility
  3. Water Quality
  4. Water Quality Testing

Water Quality Testing

Madison's drinking water is closely regulated by both the EPA and DNR. Our testing experts conduct more than a thousand tests every month to continuously monitor quality and safety, ensuring Madison's drinking water more than meets strict Federal and State drinking water standards.

Latest Annual Water Quality Report.

Find out the water quality for wells serving your address.

What We Test For

  • Coliform Bacteria
  • Inorganic Compounds & Radionuclides - Nitrates, manganese and other simple chemicals and minerals; radium
  • Lead and Copper
  • Organic Compounds (VOCs and SOCs) - Solvents, cleaners, pesticides, other man-made contaminants
  • Byproducts of our disinfection process
  • Unregulated Contaminants

Other Concerns

  • Chromium
  • PFAS/ Perfluorinated Compounds
  • Pharmaceuticals and Endocrine Disruptors

Detailed Information

Madison Water Utility puts an enormous amount of our water quality testing data online, giving you the ability to access detailed information about your water.

  • Read an Overview of Testing Results for Individual Wells.
  • Read our Report on 2019 Water Quality Monitoring, which is a a comprehensive review of all water quality testing activities completed last year.

Water Quality

  • Water Quality at My Address
  • Annual Drinking Water Quality Report
  • Water Main Flushing Program
  • Water Quality Testing
  • Private Wells
    • FAQs – Attached Properties, Municipal Water Requirements
    • FAQs – Attached Properties, Private Well Requirements
  • Cross-Connection Control Program
  • Wellhead Protection Program
  • Frequently Asked Questions
  • Stagnant Water Dangers Remain
  • Discolored Water
  • Lead Service Replacement Program
    • Lead in water: What you should know
    • Information for Utilities on Lead Service Replacement
  • PFAS / Per and Polyfluoroalkyl Substances
    • PFAS at Well 15
  • Road salt and Madison's drinking water
  • Water Quality Technical Advisory Committee
  • Well 8
    • Groundwater Study Update

Water Quality

  • Phone: (608) 266-4654
  • Email: water@madisonwater.org
  • eNews: Sign up for Water Utility News & Alerts

Water Utility

Water Utility Administrative Office
119 East Olin Avenue
Madison, WI 53713
  • Report Main Break/Emergency: (608) 266-4661
  • Report Emergency After Hours: (608) 266-4665
  • Office: (608) 266-4651
  • Fax: (608) 266-4426
  • Office Hours: 7:30am - 4:00pm, M-F
  • Drinking Water Concerns/Questions
  • Email Us
  • WI Relay Service

Customer Care

  • Pay your bill
  • Start or stop service
  • View water use
  • Set up usage alert
  • Apply for toilet rebate

Social Media

  • Find us on Facebook
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  • Watch us on YouTube
  • Read "Inside MWU"

Stay Informed

  • Blackhawk Water Tower Email List
  • Inside MWU Email List
  • Water Main Flushing
  • Water Utility News & Alerts
  • Well 31

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