Sanitary Sewer Overflow Caused by Contractor Actions

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ANN ARBOR, Michigan, July 2, 2021 —Midafternoon on Thursday, July 1, 2021, City of Ann Arbor Public Works Staff responded to a complaint of running water from a manhole lid near the intersection of Jefferson and Main Streets. Upon inspection, it was found that the overflow was being caused by a blockage in the pipe due to a contractor conducting lining work. An estimated 60 gallons of sewage was released onto the road surface, flowing into the storm drain, and ultimately finding its way to the Huron River, via Allen Creek, underground.

Debris was removed from the affected area and lime was applied for disinfection of the contaminants.   

In accordance with regulatory protocols, City of Ann Arbor staff notified the Michigan Department of Environment, Great Lakes and Energy. 

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Archived News Release: July 2, 2021 -

Media Contact Information

Jennifer Lawson
Water Quality Manager
734.794.6000 x 43735
[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.