MT VERNON, MO · Lawrence County
MOUNT VERNON PWS Water System
Consumer Confidence Report status
MOUNT VERNON PWS 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 MOUNT VERNON PWS.
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)
- MO5010553
- System type
- Community Water System
- Population served
- 4,575
- Service connections
- 1,949
- Ownership
- local government
- Water source
- groundwater (wells)
MOUNT VERNON PWS is one of 140 community water systems in Missouri in the 3,301 to 10,000 people size category, serving 4,575 people from groundwater.
As of August 1, 2026, its federal record holds 4 entries between 1992 and 2024, all of which EPA lists as closed.
Of the 4, 3 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 Total Coliform Rules, the Lead and Copper Rule, and the Groundwater Rule.
Violation history
Lead Consumer Notice
—Lead and Copper Rule
October 1, 2024 – January 14, 2026
ResolvedMonitoring, Source Water (GWR)
—E. COLI
October 1, 2015 – July 12, 2018
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2012 – August 31, 2012
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 1992 – January 31, 1992
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2024 – January 14, 2026 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| October 1, 2015 – July 12, 2018 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| August 1, 2012 – August 31, 2012 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 1992 – January 31, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is MOUNT VERNON PWS required to publish a Consumer Confidence Report?
- Yes. MOUNT VERNON PWS 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 MOUNT VERNON PWS’s next Consumer Confidence Report due?
- MOUNT VERNON PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MOUNT VERNON PWS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MOUNT VERNON PWS.
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
DAVIS, DUSTIN
417-466-2168
MT VERNON, MO 65712-0000