City of Davison issued the following announcement on Sept 23.
Hydrant flushing will take place October 19, 2021 at 2:00 a.m. in the City of Davison East of M-15 and October 26, 2021 at 2:00 a.m. in the City of Davison West of M-15. If you notice any discoloration in your water during these times, run the cold water until clear.
If it does not clear up or if you have any questions, please contact City Hall ay 810-653-2191.
Original source can be found here.