FAIRFIELD, CA · Solano County
CITY OF FAIRFIELD Water System
Consumer Confidence Report status
CITY OF FAIRFIELD 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 1 open health-based violation for CITY OF FAIRFIELD, alongside 1 other open item.
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)
- CA4810003
- System type
- Community Water System
- Population served
- 120,377
- Service connections
- 32,910
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
CITY OF FAIRFIELD is one of 92 community water systems in California in the more than 100,000 people size category, serving 120,377 people from surface water.
As of August 1, 2026, its federal record holds 3 entries between 2007 and 2024, of which 1 health-based item remains open, alongside 1 other open entry.
Of the 3, 2 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 Lead and Copper Rule and the Surface Water Treatment Rules.
Violation history
LSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedLSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2007 – December 21, 2007
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 17, 2024 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| October 17, 2024 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | Unaddressed |
| December 1, 2007 – December 21, 2007 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is CITY OF FAIRFIELD required to publish a Consumer Confidence Report?
- Yes. CITY OF FAIRFIELD 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 FAIRFIELD’s next Consumer Confidence Report due?
- CITY OF FAIRFIELD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CITY OF FAIRFIELD have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 open health-based violation for CITY OF FAIRFIELD, alongside 1 other open item.
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
HETHER, MICHAEL
707-428-7485
FAIRFIELD, CA 94533-4836