Water Billing

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​​The vast majority of Ann Arbor residents and businesses are billed on a quarterly basis for water, sewer service and stormwater. These rates pay to maintain a water treatment plant, a wastewater treatment facility and hundreds of miles of water and stormwater conveyance infrastructure.  

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WaterMatters is a quarterly newsletter included with water bills that covers a large number of topics​ related to water. 

Cloudy Water

My water appears cloudy straight from the tap but becomes clear after sitting in a glass for a few minutes. Why?

This phenomenon is known as “flashing” and occurs because air (Oxygen) is more soluble in cold water. When water from cold outdoor pipes is poured into a glass inside a warm home, the tiny captured air bubbles are quickly released. The air is just flashing out of the cold water. However, if your water remains discolored, or has an odor, please contact us.  


City of Ann Arbor: The city may be able to postpone payments on utilities for those who are unable to pay as a result of COVID-19.  Please call customer service at 734.794.6333 to request a payment delay on your account. 

Barrier Busters (Washtenaw County): Connect with resources via Barrier Busters for rent, mortgage and utility assistance, transportation, food assistance, and other direct support needed as a result of the COVID-19 pandemic.​

Michigan Homeowner Assistance Fund

​Up to $25,000 in assistance available to qualifying households for homeowners with financial hardships due to the COVID-19 pandemic. It can help pay:

  • ​Mortgage or escrow payments
  • Property taxes
  • Condo/homeowner association fees
  • Utilities - Gas, electric, water
  • Internet
To apply, visit​ or call 844-756-4423​​​​

Low Income Household Water Assistance Program

With the LIHWAP, you may be eligible to receive up to $1,500 toward your past due water bill or reconnection.

To apply, visit or call 734-544-6721​

Customer Service Center

Larcom City Hall, first floor 
8.00 a.m. to 5:00 p.m. Monday-Friday (except holidays)

301 E. Huron St.
Ann Arbor, MI 48104


Assistance by phone or email 7:30 a.m. to 5:30 p.m. Monday-Friday (except holidays)
Fax: 734.994.8991
[email protected]

Urgent water issues

If you suspect, see or experience a sanitary sewer back-up, possible sewage leak, water main break, rusty water, plugged storm drain, basement flooding or unusually low or no water pressure, please contact us by phone. During normal business hours, please call 734.794.6333.

After hours, evenings, weekends and holidays, please call the Water Treatment Plant at 734.794.6426.