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Ann Arbor's Water Treatment Plan is staffed 24 hours a day, 365 days a year. The plant itself was commissioned in 1938 and is located in the Water Hill neighborhood and processes 4,300,000,000 gallons of water each year.
85% of Ann Arbor's drinking water comes from the Huron River via Barton Pond with the remaining 15% coming from wells.
Staff test for over 100 contaminants, conducting 145,000 such tests each year, looking for things like:
- Disinfection Byproducts
- Volatile Organic Compounds
- Inorganic contaminants
- Radiological contaminants
- Bacteria
- Metals
For less than ½ cent per gallon, our customers get:
- Reliability: our facility runs 24/7
- Safety: 100% compliance with safe water drinking standards including lead
- Excellent service: Routine and emergency maintenance of over 400 miles of pipes
- Great taste: Repeatedly voted best tasting water in Michigan by the American Water Works Association
Tour Requests
To request a tour, please fill out the water treatment plant tour request form.
Follow along on your water treatment plant tour using the Ann Arbor Water Treatment Plant Tour Map.
Join the team
All Water Treatment Plant open full-time, part-time, temporary, and internship open positions are available on the city's job website.
We also collaborate with local organizations such as the Huron River Watershed Council and local universities on research projects. Please visit their websites for job opportunities.