Public water system record
California State Prison - Solano
Serves Vacaville, Solano County, CA · 5,100 people served
Federal records show 1 health-based violation and no monitoring/reporting issues for California State Prison - Solano in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- California State Prison - Solano draws water from 4 surface water intakes.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.105 mg/L, federal limit 0.08 mg/L (1.3 times the limit), 2017.
- Most recent formal enforcement: compliance order (no penalty) by California, December 2017.
- Record on file since 1995, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 79 service lines.
Check whether California State Prison - Solano 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 |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.105 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Jul 1, 2017 | Resolved | No |
Full record since 1995
EPA's records for California State Prison - Solano go back to 1995. Before October 19, 2016 they list 3 health-based violations (3 resolved) and no monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 0 |
| 2000s | 1 | 0 |
| October 19, 2016 to 2019 | 1 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began March 2000, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1999 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jun 1, 1995 | Resolved |
Enforcement actions
California regulators took 2 formal enforcement actions against California State Prison - Solano between 1993 and 2017. The most recent was a compliance order (no penalty) in December 2017.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 8, 2017 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Jun 28, 1993 | California | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
What the violations mean
Total Trihalomethanes (TTHMs)
1 incidentDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
California State Prison - Solano draws water from 4 surface water intakes. It also has an emergency connection to City of Vacaville.
Emergency or part-time connections to
- City of Vacaville Elmira, CA
Annual water quality report
California State Prison - Solano 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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