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LCRR utility compliance status in Missouri

How are Missouri water utilities doing on EPA LCRR compliance?

Last verified from EPA SDWIS: 2026-04-14
Water systems
3,013
Known lead
0
Unknown
0
BIL funding
$0M

Lead Service Line Compliance in Missouri Water Systems

Overview

Missouri's 3,013 public water systems serve approximately 6 million residents. Under the EPA's Lead and Copper Rule Revisions (LCRR), these utilities must inventory their lead service lines and report findings to state regulators. This page summarizes what Missouri utilities reported in their October 2024 compliance submissions.

What the October 2024 Reports Show

Missouri's water systems submitted their lead service line inventories as required by EPA deadline. The state's Department of Natural Resources, which oversees drinking water regulation in Missouri, received these filings from utilities across the state—ranging from large urban systems in Kansas City and St. Louis to small rural water associations.

The data currently available shows that Missouri utilities reported the status of their service line materials. Some systems have completed full inventories and identified their lead service lines; others are still in the process of gathering records and conducting testing. A portion of systems likely reported "unknown" status for service lines where records are incomplete or inaccessible—a common challenge for utilities managing decades-old infrastructure.

Understanding "Unknown" Status

Many older water systems don't have complete records of what their service lines are made of. When a utility can't confirm whether a line contains lead, EPA rules allow them to report it as "unknown" during the inventory phase. This doesn't mean the line definitely has lead—it means the utility needs to do more work to find out.

State Oversight and Enforcement

Missouri's primacy agency oversees utility compliance with the LCRR and can issue enforcement actions if systems fail to complete inventories or meet other deadlines. Utilities that miss state requirements may face violations or orders to accelerate their compliance activities.

Funding for Lead Removal

Lead service line replacement is expensive. The Bipartisan Infrastructure Law allocated federal funding to states for lead pipe replacement, but specific amounts dedicated to Missouri and its utilities may vary. Residents should ask their local water utility whether they have applied for or received grants to help fund lead line replacement in their area.

Next Steps for Residents

  • Contact your water utility to ask about their October 2024 LCRR inventory report and whether your address has a known lead service line, unknown status, or confirmed non-lead service line.
  • Request a copy of your utility's inventory summary or compliance report if it's publicly available.
  • Ask about replacement programs — even if your service line is unknown, many utilities offer testing or replacement assistance programs.
  • For health concerns, contact your doctor or the CDC for guidance on lead exposure risk and water safety practices.

Related topics in Missouri

Common questions

Does Missouri have lead service lines?

Yes. Missouri's 3,013 water systems serve 6 million people, and many older systems have lead service lines installed decades ago. The extent varies by utility and neighborhood. Your water system's October 2024 LCRR report should specify how many known lead lines it serves.

What does 'unknown' mean for my service line?

It means your utility doesn't have definitive records showing whether your line contains lead. The utility must gather more information—through records research, testing, or excavation—to determine the actual material. This is common for older systems.

How do I find out if my home has a lead service line?

Contact your water utility directly and provide your address. They can check their inventory against your property. You can also ask them to send someone to inspect the line at the meter or street connection.

Is there money to replace lead service lines in Missouri?

Federal infrastructure funding is available to states for lead line replacement, though specific amounts and availability in Missouri depend on utility applications and state distribution. Ask your water utility whether they offer replacement programs or can direct you to available assistance.