A power outage causes a bypass of the filtration stage at the wastewater treatment plant in the Ypsilanti region

WASHTENAW COUNTY, MI – A brief power outage forced authorities to bypass a sewage filtration stage at a treatment plant in the Ypsilanti area on Monday morning, June 6.

The partial bypass of the tertiary filters began at 8:39 a.m. and lasted until 9:23 a.m. to prevent severe property damage or the release of sewage into the environment of the State Street plant in the township. of Ypsilanti, according to a news report from the Ypsilanti Public Services Authority. Release.

The event is not expected to have any effect on consumers, and the wastewater still underwent secondary treatment, including UV disinfection, according to YCUA Wastewater Operations/Compliance Manager Sree Mullapudi.

Officials are collecting sewage samples and will monitor requirements under environmental permits.

The bypass happened while officials were performing preventative maintenance on a substation that feeds the pumping system to the filters. A circuit breaker tripped, causing the pumping system to lose power, officials said.

They believe the issue is not system-wide and are investigating its exact cause, according to the press release.

YCUA is submitting a report to the Michigan Department of Environment, Great Lakes and Energy on the incident, the Utilities Authority said.

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