SOUTH BEND, Ind. (AP) — Officials in South Bend were forced to shut down its wastewater treatment plant as it was swamped by flooding from a record-high river crest caused by heavy rain and melting snow in parts of the Midwest.

The city of South Bend says the treatment plant restarted at limited capacity Thursday morning after being shut down overnight. The plant shutdown forced it to release untreated sewage water into the St. Joseph River.

The National Weather Service says the river crested at 12.7 feet late Wednesday — nearly 2 feet higher than its previous record.

Mayor Pete Buttigieg issued an emergency declaration for the city, allowing for tougher enforcement of numerous street closures. Officials haven’t yet estimated the extent of building damage.