The village of Poplar reported a sanitary sewage overflow at lift station No. 4 located at 4802 S. County Road P.
The overflow occurred between 3 p.m. Dec. 29 and 9 p.m. Dec. 30.
An estimated 54,000 gallons of wastewater escaped into the environment before the overflow was stopped.
The incident was reported to the Wisconsin Department of Natural Resources.