NAPA, CA · Napa County
BERRYESSA HIGHLANDS Water System
Consumer Confidence Report status
BERRYESSA HIGHLANDS must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for BERRYESSA HIGHLANDS.
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 California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA2810013
- System type
- Community Water System
- Population served
- 715
- Service connections
- 256
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
BERRYESSA HIGHLANDS is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 715 people from surface water.
As of August 1, 2026, its federal record holds 2 entries between 2018 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.
None of the 2 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 Stage 2 Disinfectants and Disinfection Byproducts Rule.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2019 – March 31, 2019
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2018 – March 31, 2018
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2019 – March 31, 2019 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| January 1, 2018 – March 31, 2018 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- July 16, 2019State Administrative/Compliance Order without penalty issued24 linked violations
Common questions
Is BERRYESSA HIGHLANDS required to publish a Consumer Confidence Report?
- Yes. BERRYESSA HIGHLANDS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is BERRYESSA HIGHLANDS’s next Consumer Confidence Report due?
- BERRYESSA HIGHLANDS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does BERRYESSA HIGHLANDS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for BERRYESSA HIGHLANDS.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
SILKE, CHRISTOPHER
707-299-1755
NAPA, CA 94559