ST CHARLES, MO · St. Charles County
MISSOURI CITIES-BELLEAU LAKE Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of October 1, 1986. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in St. Charles County, MO.
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)
- MO6036010
- System type
- Community Water System
- Population served
- 220
- Service connections
- 65
- Ownership
- privately owned
- Water source
- groundwater (wells)
MISSOURI CITIES-BELLEAU LAKE is one of 1,412 community water systems in Missouri in the 500 or fewer people size category, formerly serving 220 people from groundwater.
EPA's federal records list this system as inactive in 1986; the record below is historical.
As of August 1, 2026, its federal record holds 1 entry in 1979, all of which EPA lists as closed. Nothing has been added since 1979.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Radionuclides and Revised Rad Rule.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
October 30, 1979 – September 29, 1983
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 30, 1979 – September 29, 1983 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
Not on record
314-922-9163
ST CHARLES, MO 63302