CALISTOGA, CA · Napa County
CALISTOGA, CITY OF Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
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)
- CA2810002
- System type
- Community Water System
- Population served
- 5,610
- Service connections
- 2,229
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Maximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
July 1, 2023 – September 30, 2023
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
April 1, 2018 – June 30, 2018
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
January 1, 2011 – January 31, 2011
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
December 1, 2008 – December 31, 2008
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2023 – September 30, 2023 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| April 1, 2018 – June 30, 2018 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| January 1, 2011 – January 31, 2011 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| December 1, 2008 – December 31, 2008 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- April 1, 2022State Administrative/Compliance Order without penalty issued5 linked violations
- September 18, 2018State Administrative/Compliance Order without penalty issued7 linked violations
- February 28, 2011State Compliance achieved3 linked violations
- February 10, 2011State Administrative/Compliance Order without penalty issued7 linked violations
- January 31, 2009State Compliance achieved3 linked violations
Contact
RAYNER, DEREK
707-942-2828
CALISTOGA, CA 94515