MADISON, Wis. — The Madison Metropolitan Sewerage District said there was no cause for concern downstream after a sewer overflow last week.
An unknown amount of wastewater flowed into Nine Springs Creek during the overflow. The District started testing waters in the area for E. Coli shortly after the overflow was discovered.
The District said Friday that waters at Gilligan’s Island in the Yahara River and at Lake Waubesa at the Lower Yahara Trail were also tested…