A sanitary sewer line backup causes 250 gallons of raw sewage to discharge into the City of Milton’s storm sewer.

According to a news release the backup along St. Mary Street between Campus and Parkview Drives around 7:00 Tuesday night caused hundreds of gallons of untreated sewage to come out of a manhole and overflow into the nearby storm sewer.

City crews were notified of the situation and the discharge was stopped by about 9:00 p.m.

The Wisconsin Department of Natural Resources has been notified and risks to the public were deemed low.

The City of Milton says all debris has been removed and the area has been cleaned and disinfected.