O'FALLON, MO · St. Charles County
ECM WATER & SEWER AUTHORITY - FLINT HILL Water System
Consumer Confidence Report status
ECM WATER & SEWER AUTHORITY - FLINT HILL 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 ECM WATER & SEWER AUTHORITY - FLINT HILL.
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)
- MO6011147
- System type
- Community Water System
- Population served
- 469
- Service connections
- 188
- Ownership
- local government
- Water source
- groundwater (wells)
ECM WATER & SEWER AUTHORITY - FLINT HILL is one of 1,412 community water systems in Missouri in the 500 or fewer people size category, serving 469 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 2004 and 2011, all of which EPA lists as closed. Nothing has been added since 2011.
Of the 2, 1 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.
Violation history
Monitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 2011 – December 31, 2011
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
July 1, 2004 – July 9, 2004
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 1, 2011 – December 31, 2011 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2004 – July 9, 2004 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is ECM WATER & SEWER AUTHORITY - FLINT HILL required to publish a Consumer Confidence Report?
- Yes. ECM WATER & SEWER AUTHORITY - FLINT HILL 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 ECM WATER & SEWER AUTHORITY - FLINT HILL’s next Consumer Confidence Report due?
- ECM WATER & SEWER AUTHORITY - FLINT HILL’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ECM WATER & SEWER AUTHORITY - FLINT HILL have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ECM WATER & SEWER AUTHORITY - FLINT HILL.
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
WRIGHT, JIM
636-385-5197
O'FALLON, MO 63368-0000