ALERT: With many StL area stores changing hours, some MSD bill pay locations may be impacted. You can still pay your wastewater bill via the lobby drop box at 2350 Market St. (M-F, 8:30am – 4:30pm), at Pay Online, or by calling 866-281-5737.
The delay or holding of the flow of water and water-carried wastes in a pipe system. This can be caused by a restriction in the pipe, a stoppage or a dip. Detention also means the time water is held or stored in a basin or a wet well.