If you think you have experienced a sewer backup from the MSD public sewer, you must report your backup to MSD within 24 hours of discovery.
There are two ways to report your sewer backup:
MSD's Sewer Backup (SBU) Program provides assistance to MSD customers who have experienced a sewer backup from the MSD public sewer.
If you suspect a sewer backup, click here for Next Steps: 5 Things You Need to Know.