ST. PETERS, MO · St. Charles County
MISSOURI CITIES-WARSON HILLS Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of January 1, 1984. 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)
- MO6036014
- System type
- Community Water System
- Population served
- 430
- Service connections
- 102
- Ownership
- privately owned
- Water source
- groundwater (wells)
MISSOURI CITIES-WARSON HILLS is one of 1,412 community water systems in Missouri in the 500 or fewer people size category, formerly serving 430 people from groundwater.
EPA's federal records list this system as inactive in 1984; the record below is historical.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
Not on record
314-922-9140
ST. PETERS, MO 63376