SAN JOSE, CA · Monterey County
CWSC OAK HILLS Water System
Consumer Confidence Report status
CWSC OAK HILLS 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 CWSC OAK HILLS.
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)
- CA2710019
- System type
- Community Water System
- Population served
- 3,161
- Service connections
- 884
- Ownership
- privately owned
- Water source
- groundwater (wells)
CWSC OAK HILLS is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 3,161 people from groundwater.
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
- October 23, 1996State Formal Notice of Violation issued3 linked violations
Common questions
Is CWSC OAK HILLS required to publish a Consumer Confidence Report?
- Yes. CWSC OAK HILLS 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 CWSC OAK HILLS’s next Consumer Confidence Report due?
- CWSC OAK HILLS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CWSC OAK HILLS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CWSC OAK HILLS.
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
JAMES, SOPHIE
408-367-8593
SAN JOSE, CA 95112