(Updated 4:15-p.m.)

Officials with the Iowa DNR said Wednesday that authorities in Shelby reported a sewer line that runs from the town to the city’s lagoons washed out at a small creek crossing, causing untreated wastewater to discharge.

The city estimates between 100 and 200 gallons per minute of wastewater flowed directly into Little Silver Creek until the discharge ended at 3-p.m.

The DNR recommends keeping children and pets away from the creek for 24 to 48 hours after repairs are completed. The DNR will continue to monitor the situation.