BAKERSFIELD, CA · Kern County
RIO MESA MUTUAL WATER COMPANY Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of December 17, 2019. 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 Kern County, CA.
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 California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA1503482
- System type
- Community Water System
- Population served
- 25
- Service connections
- 6
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
March 1, 2012 – March 31, 2012
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| March 1, 2012 – March 31, 2012 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- November 10, 2015State Compliance achieved1 linked violation
- February 13, 2013State Violation/Reminder Notice2 linked violations
- December 14, 2012State Administrative/Compliance Order without penalty issued4 linked violations
Last known contact on file (system is inactive)
JOST, JACK
661-391-8998
BAKERSFIELD, CA 93308