City Of St. Peter issued the following announcement on Mar. 28.
Spring Hydrant Flushing - The Water Utility will begin spring hydrant flushing and flow testing between the hours of 8:00 p.m. and 6:00 a.m. on April 4, 2022 and continue until all hydrants are flushed - approximately April 14, 2022.
Original source can be found here.