# Sewer Lateral Repair in St. Louis, MO: Who Pays? | Who Pays the Repair?

> St. Louis owners own the entire sewer lateral from the building to the main, and MSD excludes lateral problems from its backup-reimbursement program.

**Who pays:** owner

In St. Louis the regional district (MSD) calls the lateral private property "from your home or building to the main sewer line", the owner’s to maintain and repair.

**Boundary:** Owner owns the entire lateral from the building to the main; MSD (the regional Metropolitan St. Louis Sewer District) excludes lateral problems from its own backup-reimbursement program.

**Property owner:** MSD Project Clear: "The lateral line, including connection, is private property. It is the property owners’ responsibility to maintain and repair the lateral line," defined as "the sewer line that runs from your home or building to the main sewer line."

**City / agency:** MSD maintains the main sewer; it explicitly excludes private lateral problems from its damage-reimbursement program.

## Sources
- [MSD Project Clear: Sewer Backups (lateral is private property, owner repairs)](https://msdprojectclear.org/customers/problems-tips/sewer-backups/) — "The lateral line, including connection, is private property. It is the property owners’ responsibility to maintain and repair the lateral line," (accessed 2026-09-27)
- [MSD Project Clear: Financial Assistance (lateral excluded from reimbursement)](https://msdprojectclear.org/customers/problems-tips/sewer-backups/financial-assistance-building-backups/) — "the sewer line that runs from your home or building to the main sewer line." (accessed 2026-09-27)
- [MSD Project Clear: Financial Assistance (lateral excluded from reimbursement)](https://msdprojectclear.org/customers/problems-tips/sewer-backups/financial-assistance-building-backups/) — "from your home or building to the main sewer line" (accessed 2026-09-27)

_Last verified 2026-09-07. Source: Who Pays the Repair? — https://whopaystherepair.com/rules/st-louis-mo-sewer-lateral/ — every claim checked against a primary source before publication (see /methodology/)._