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Water Billing

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Update to Water Rates:

On June 18, 2018, the Ann Arbor City Council enacted changes to water rates effective July 1, 2018. This decision was made based on an extensive Water and Waste Water Cost of Service Study, the City's first in over 15 years. The study examined the costs of drinking water and sewer services and calculated rates so that customers who drive those costs pay accordingly. You can see how the changes may impact your water bill by using our water bill estimator tool.

Effective February 1, 2019​ the sewer rates were increased to maintain a fiscally healthy fund.  ​The increase was designed to increase income to the fund by 7%. The adjustment will provide funding to cover infrastructure debt payments, primarily incurred from the recently completed $100 million rehabilitation of the City’s Wastewater Treatment Plant.  

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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.  

Quick Links

WaterMatters

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

Special Edition Issue (PDF) for high water consumption​ users (37 CCF+).

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.  

Customer Service Center

Larcom City Hall, first floor 
7:30 a.m. to 5:30 p.m. Monday-Friday (except holidays)

301 E. Huron St.
Ann Arbor, MI 48104
734.794.6333
Fax: 734.994.8991
customerservice@a2gov.org

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.