CHESTER, CA · Plumas County
CHESTER PUBLIC U.D. Water System
Consumer Confidence Report status
CHESTER PUBLIC U.D. 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 CHESTER PUBLIC U.D..
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)
- CA3210009
- System type
- Community Water System
- Population served
- 2,187
- Service connections
- 1,284
- Ownership
- local government
- Water source
- groundwater (wells)
CHESTER PUBLIC U.D. is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 2,187 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2006, all of which EPA lists as closed. Nothing has been added since 2006.
None of the 1 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 Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 2006 – November 30, 2006
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| November 1, 2006 – November 30, 2006 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- December 17, 2021State Administrative/Compliance Order without penalty issued1 linked violation
- November 9, 2021State Compliance achieved2 linked violations
- December 17, 2002State Violation/Reminder Notice4 linked violations
Common questions
Is CHESTER PUBLIC U.D. required to publish a Consumer Confidence Report?
- Yes. CHESTER PUBLIC U.D. 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 CHESTER PUBLIC U.D.’s next Consumer Confidence Report due?
- CHESTER PUBLIC U.D.’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CHESTER PUBLIC U.D. have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CHESTER PUBLIC U.D..
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
MULLANEY, BONNIE
530-258-2171
CHESTER, CA 96020