City of Oelwein issued the following announcement.
Hydrant Flushing Oct. 4-7, 2021
Oelwein Public Works Department
Biannual Hydrant Flushing
Monday & Tuesday, Oct. 4th & 5th
NW: From 13th Ave to the viaduct & south of 2nd street from 4th Ave to North Fred.
This includes residents of 2nd St.
NE: South of 3rd St from North Fred to 3rd Ave & West of 3rd Ave from 3rd St to Charles.
This does not include residents along 3rd St but does include residents along 3rd Ave.
SE: West of 3rd Ave from Charles to 281.
This does include residents along 3rd Ave.
SW: All areas
Wednesday & Thursday, Oct. 6th & 7th
NW: North of 2nd street from Great Western to North Fred.
This does not include residents along 2nd St.
NE: North of 3rd St from North Fred to Outer Road & East of 3rd Ave from Charles to 9th St.
This does include residents along 3rd St but does not include residents along 3rd Ave.
SE: East of 3rd Ave from Charles to 7th St.
This does not include residents along 3rd Ave.
Flushing will began each day at 7:00 AM and continue until 3:30 PM
Residents are asked not to wash clothes both days of flushing due to rust being stirred up in the water.
Residents then should check both their hot and cold water before washing clothes to see if the water quality has returned to normal.
Original source can be found here.