CITY OF FAIRFIELD
PWSID: CA4810003 · Fairfield, CA · Serves 120,377 people
According to EPA Safe Drinking Water Information System (SDWIS), CITY OF FAIRFIELD (PWSID CA4810003) in Fairfield, CA is listed as a CWS water system covering about 120,377 people. The same extract lists 1 health-based violation record spanning 2024-2024. Those 1 health-based row for CITY OF FAIRFIELD cover contaminants such as LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
CITY OF FAIRFIELD has 1 health-based violation record in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including LEAD AND COPPER RULE REVISIONS. Recorded violations span 2024–2024. Day-to-day primacy enforcement for this system runs through the California drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the California state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CA4810003
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Fairfield, CA
- Population Served
- 120,377
- Health Violations
- Yes (1)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (1)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
Frequently Asked Questions
What does EPA SDWIS list for CITY OF FAIRFIELD?
How many people does CITY OF FAIRFIELD serve?
What violations does CITY OF FAIRFIELD have?
What contaminants have been found in CITY OF FAIRFIELD water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CITY OF FAIRFIELD on cumulative violation count (1) and EPA-reported population served (120,377). Violation-count peers include CHOCTAW - CONEHATTA, CHOCTAW - PEARL RIVER, CHOCTAW - TUCKER. Population peers include LOWELL REGIONAL WATER UTILITY, CONCORD, CITY OF, NJ AMERICAN WATER - ATLANTIC COUNTY.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
CITY OF FAIRFIELD (CA4810003) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF VALLEJO; CITY OF VACAVILLE; SUISUN-SOLANO WATER AUTHORITY; CITY OF BENICIA. Health-based rows (1 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.