ELMIRA, CA · Solano County
CITY OF VACAVILLE Water System
Consumer Confidence Report status
CITY OF VACAVILLE 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 CITY OF VACAVILLE.
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)
- CA4810008
- System type
- Community Water System
- Population served
- 99,650
- Service connections
- 30,935
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
CITY OF VACAVILLE is one of 376 community water systems in California in the 10,001 to 100,000 people size category, serving 99,650 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 2001, all of which EPA lists as closed. Nothing has been added since 2001.
All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Check/Repeat/Confirmation
—Radium-226
October 1, 2001 – December 31, 2001
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2001 – December 31, 2001 | Monitoring, Check/Repeat/Confirmation | Radium-226 | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 27, 2018State Compliance achieved7 linked violations
- November 27, 2002State Formal Notice of Violation issued3 linked violations
Common questions
Is CITY OF VACAVILLE required to publish a Consumer Confidence Report?
- Yes. CITY OF VACAVILLE 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 CITY OF VACAVILLE’s next Consumer Confidence Report due?
- CITY OF VACAVILLE’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CITY OF VACAVILLE have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CITY OF VACAVILLE.
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
COLE, JUSTEN
707-469-6404
ELMIRA, CA 95625-0220