State guide
Missouri
Missouri’s Department of Natural Resources has a dedicated lead service line inventory page with reporting templates, customer self-identification forms, and customer notification materials.
Checked against official sources on October 4, 2026. Rules and links change; confirm with the office listed before you act.
- State lead service line page
- Official page →
Official resources in Missouri
State lead-service-line inventory page with templates, self-identification forms, notification forms, and FAQs.
Official resident guide explaining Missouri lead service lines and how to identify them.
Program hub for Missouri American Water customers with the service-line material map and replacement-program links.
Official FAQ stating when Missouri American Water will replace customer-owned lead or galvanized service lines and what portion it replaces.
City page with a public viewer for private-side service-line material and the city’s current replacement-planning status.
Key facts for Missouri
- Missouri DNR says systems must use department-approved inventory spreadsheets when submitting lead service line inventories.
- Missouri DNR provides a Water Service Line Inventory Self Identification Form and Self Identification Affidavit for customers.
- Missouri DNR says Missouri’s lead ban became effective January 1, 1989.
- Missouri DNR notes customer-owned service lines may run from the property line or meter to the indoor shut-off valve where premise plumbing begins.
- Missouri American Water says if either the company-owned or customer-owned side is verified as lead or galvanized steel, it will replace the service line at no direct cost to the customer.
- Missouri American Water says it will replace from the water main to the customer-owned internal shut-off valve, but indoor plumbing remains the customer’s responsibility.
Utility help for homeowners in Missouri
| Utility | city | program | Details |
|---|---|---|---|
| Missouri American Water | Multiple Missouri communities | Lead Service Line Replacement Program | If the company-owned or customer-owned side is verified as lead or galvanized steel, Missouri American Water says it will replace the service line at no direct cost to the customer. |
What to do next
- Start with the DNR resident guide to identify your pipe, then compare that result with your utility’s map or records.
- If you are a Missouri American Water customer and your line is unknown, self-report or request an inspection through its lead-program pages.
- If you are in St. Louis city, check the Water Division’s public viewer now, but expect separate application or eligibility steps if future grant or loan assistance opens.
Helpful guides
- Who pays to replace the private side of a lead service line?
- Lead service line replacement grants, reimbursements and loans
- How to tell if your water service line is lead
- The Lead and Copper Rule Improvements: what homeowners need to know
Lead line cost-share estimator →