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Ann Arbor Water Implements Nonessential Water Restrictions Due to Power Outages

*UPDATED 7/28/2023: Staff will reassess restrictions Saturday morning (July 29).

Archived News Release: July 27, 2023 - ​Due to power outages impacting the City of Ann Arbor water system, Ann Arbor Water is implementing nonessential water-use restrictions for residents and businesses beginning at 1 p.m. today, Thursday, July 27 and will remain in place until further notice. There are no water restrictions for essential indoor water usage — drinking tap water, cooking, sanitary uses, and bathing may continue as normal. While power outages have impacted the water treatment plant capacity, it has not impacted the water treatment process or drinking water quality. The water remains safe for all allowable uses.

Until further notice, residents are asked to voluntarily limit water use by eliminating the following activities:

  • Do not water lawns, irrigate, fill swimming pools, or wash cars. Turn off automatic sprinkler and irrigations systems. 

  • Do not run dishwashers or washing machines. ​

The intent of the water restrictions is to conserve the city's water storage capacity following the widespread power outages due to the July 26 storms. The city distributes over 15 million gallons of water per day. With temperatures expected to reach 90+ degrees, water usage may outpace capacity.  With the community's support of limiting usage, the city will be able to meet anticipated water demands and avoid further disruptions.

DTE is working to restore full power to Ann Arbor Water facilities. These restrictions will be reassessed by city staff *Saturday morning and will issue a community updates as soon as available.​.

The city thanks you in advance for adhering to these restrictions. Community cooperation helps ensure the overall reliability of the city's water system during this emergency condition.

Residents or businesses are encouraged to report water issues online via A2 Fix at

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Media Contact Information

Molly Maciejewski
Interim Manager, Water Treatment Services
[email protected]

Ann Arbor has 123,851 residents, spans 28.97 square miles and is frequently recognized as a foremost place to live, learn, work, thrive and visit. To keep up with City of Ann Arbor information, subscribe for email updates, and follow the city on Twitter and Facebook. The city's mission is to deliver exceptional services that sustain and enhance a vibrant, safe and diverse community.