Sewer Line Rules

State guide

Missouri

Missouri has unusually well-developed local sewer lateral programs because state statutes specifically authorize cities, counties, and sewer districts in qualifying areas to collect annual fees for repairs. The official city and utility pages found show that homeowners are usually still responsible for the full lateral to the public sewer main, even when a city program helps pay for work under the right-of-way or elsewhere.

Checked against official sources on October 4, 2026. Rules and links change; confirm with the office listed before you act.

Try a ZIP like 30303, “Travis County” or “Columbus, OH”
Who usually owns the sewer lateral
Usually the property owner is responsible for the full lateral to the public sewer main, but many Missouri local programs help fund repairs and some cities repair qualifying right-of-way sections without changing underlying owner responsibility.
State agency
Local city public works departments, sewer districts, and utilities administer most lateral rules; the Missouri General Assembly has authorized local repair-fee programs in RSMo 249.422 and 249.424.
Permits for repair or replacement
Missouri’s Chapter 341 includes a state permit requirement for sewer and plumbing repair in its covered jurisdictions, and official city pages reviewed for St. Louis and St. Charles say sewer lateral replacement or repair requires local permit and inspection handling.
Inspection at sale
No statewide Missouri lateral certificate-at-sale rule was found, but Hallsville requires sewer lateral certification before many sales or transfers unless a qualifying certificate was issued within the prior 10 years.
Assistance programs
Yes. Missouri has multiple local assistance models authorized by statute, including St. Louis’s right-of-way repair program and city programs such as University City, O’Fallon, Clayton, and others in the St. Louis region.

Official resources in Missouri

Missouri Revisor of Statutes, RSMo 249.422

Authorizes certain cities, counties, and sewer districts to levy an annual fee for residential lateral sewer line repairs and requires programs to include all defective portions to the public sewer connection.

City of St. Louis Sewer Lateral Repair Program

States that the entire lateral is private property but the city repair program covers qualifying breaks under the public right-of-way.

University City Sanitary Sewer Lateral Repair Program

States homeowner responsibility to the MSD main connection and explains the city’s contribution toward approved repairs.

City of Hallsville Code, Chapter 715 Lateral Service Inspection Program

Creates a sewer lateral certification program and requires inspection/certification before many sales or transfers.

City of St. Charles Online Permitting

Shows that sewer lateral repairs not associated with the local sewer lateral program still require a city permit/inspection process.

Key facts for Missouri

City sewer lateral rules and programs in Missouri

CitycityphoneDetails
City of St. Louis Department of Streets - Sewer Lateral Repair Program
St. Louis city		St. Louis(314) 647-3111Administers the city’s SLRP for qualifying right-of-way sewer lateral failures.
City of University City Public Works - Sanitary Sewer Lateral Repair Program
St. Louis		University City314-505-8570Pays the first $2,500 of approved residential sanitary sewer lateral repairs under its program.
City of Hallsville - Lateral Service Inspection Program
Boone		HallsvilleNot published*Municipal code program governing sewer lateral certification and inspection before certain sales or transfers.
City of St. Charles Community Development Department
St. Charles		Saint Charles636-949-3222Answers permitting questions and schedules charge permits/inspections for sewer lateral repairs not tied to the sewer lateral program.
Missouri Revisor of Statutes
Cole		Jefferson CityNot published*Official state source for statutes authorizing local sewer lateral repair fees and programs.
KC Water
Jackson		Kansas CityNot published*Kansas City utility materials say the property owner maintains service lines from the main to the building and provide sewer-problem contact information.

* Not published: the official page doesn't list it. Call the office to confirm before you rely on it.

What to do next

  1. Check whether your city, county, or sewer district has a voter-approved lateral repair fee program before paying for work out of pocket.
  2. Ask the local building or permits office whether the repair needs a plumbing, drainlaying, or charge permit and inspection.
  3. If you are buying in a town like Hallsville, confirm whether a sewer lateral certificate is required before closing.

Not seeing your city or county?

We list a city only when an official government page publishes its rules. If yours isn't in the table above, it may not publish them online yet. Here's what to use instead, in order:

  1. General Start with the statewide information above. It applies across Missouri, but cities and counties can add their own steps, fees or deadlines.
  2. Closest verified Nearest places where we have verified local data outside this state (distance from Missouri's population center, for comparison only):
  3. Call to confirm Ask the official office. They have the current local rule, fee and form.
    City of St. Louis Sewer Lateral Repair Program
    Website →
    Phone: (314) 768-2888 (as listed on that page, checked Oct 4, 2026)
    Your city or county office: Local governments →
    Not sure who handles it locally? USAGov's free help line, 1-844-872-4681, or the Missouri page on USA.gov can point you to the right office.
  4. Know the current info? Tell us and include a link to the official page. We check every tip before it goes up.

Helpful guides

Sewer lateral responsibility check →

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