City of Flint issued the following announcement on Sept 24.
On September 24, 2021 around 12:00 pm, the City of Flint Sanitary Sewage Collection System overflowed sanitary sewage from a sanitary sewer manhole onto the ground east of the intersection of Parkside & Overhill Drives in Flint. An undetermined amount of raw sewage mixed with rainwater is overflowing onto the ground and flowing to Swartz Creek. The discharge is ongoing. This discharge was due to excessive wet weather flow caused by the last three days of rain. The City of Flint Water Service Center responded in a timely manner and is currently working to resolve the situation. As a precautionary measure required by law, the State of Michigan Department of Environment, Great Lakes and Energy and the Genesee County Health Department have been notified.
Please utilize your facilities to disseminate this information to the public as soon as possible for the protection of the public. We appreciate your cooperation in this matter.
Original source can be found here.