ST. LOUIS, MO · Jefferson County
LEONARDS MHP Water System
Consumer Confidence Report status
LEONARDS MHP must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for LEONARDS MHP.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.
System facts
- System ID (PWSID)
- MO6048100
- System type
- Community Water System
- Population served
- 48
- Service connections
- 13
- Ownership
- privately owned
- Water source
- groundwater (wells)
LEONARDS MHP is one of 1,412 community water systems in Missouri in the 500 or fewer people size category, serving 48 people from groundwater.
As of August 1, 2026, its federal record holds 5 entries between 2011 and 2024, all of which EPA lists as closed.
Of the 5, 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Consumer Confidence Rule, the Lead and Copper Rule, and the Groundwater Rule.
Violation history
LSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024 – December 23, 2024
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2022 – January 17, 2023
ResolvedFailure To Address Deficiency
Health-basedGroundwater Rule
September 25, 2014 – November 17, 2016
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2013 – May 3, 2016
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2011 – December 31, 2011
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 17, 2024 – December 23, 2024 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Resolved |
| July 1, 2022 – January 17, 2023 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| September 25, 2014 – November 17, 2016 | Failure To Address Deficiency | Groundwater Rule | Health-based | Resolved |
| July 1, 2013 – May 3, 2016 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| December 1, 2011 – December 31, 2011 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is LEONARDS MHP required to publish a Consumer Confidence Report?
- Yes. LEONARDS MHP is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is LEONARDS MHP’s next Consumer Confidence Report due?
- LEONARDS MHP’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LEONARDS MHP have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for LEONARDS MHP.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
BRAKE, ROBERT
314-581-7933
ST. LOUIS, MO 63103-0000