Public water system record
City of Fairfield
Serves Fairfield, Solano County, CA · 120,377 people served
Federal records show 1 health-based violation and 1 monitoring/reporting issue for City of Fairfield in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- City of Fairfield draws water from 3 surface water intakes.
- Record on file since 1999, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 32,014 service lines.
Check whether City of Fairfield serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
Full record since 1999
EPA's records for City of Fairfield go back to 1999. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2000s | 0 | 1 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform (acute), began May 1999, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 1999 | Resolved |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
City of Fairfield draws water from 3 surface water intakes. 3 other community water systems buy water from City of Fairfield. 1 other public water system has an emergency connection to City of Fairfield.
Community systems that buy water from it
- City of Vacaville Elmira, CA
- SID - Blue Ridge Oaks Vacaville, CA
- SID - Peabody Vacaville, CA
Annual water quality report
City of Fairfield must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.
Certified drinking water labs by state EPA guidance for private wells