CHESTERFIELD, MO · St. Louis County
MO AMERICAN EUREKA Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of June 30, 2025. 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. Louis County, MO.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- MO6010258
- System type
- Community Water System
- Population served
- 11,000
- Service connections
- 4,320
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Average
Health-basedGross Alpha, Excl. Radon and U
January 1, 2009 – December 31, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
October 1, 2008 – September 30, 2009
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 1993 – November 30, 1993
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2009 – December 31, 2009 | Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Health-based | Resolved |
| October 1, 2008 – September 30, 2009 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Resolved |
| November 1, 1993 – November 30, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 22, 2014State Compliance achieved5 linked violations
- February 8, 2011State Compliance achieved56 linked violations
- November 21, 2003State Formal Notice of Violation issued4 linked violations
- November 5, 2003State Violation/Reminder Notice6 linked violations
- August 23, 2002State Public Notification received7 linked violations
- July 2, 2002State Public Notification requested6 linked violations
Last known contact on file (system is inactive)
MILLER, STEVE
Phone not on record
CHESTERFIELD, MO 63017-0000