TRACY, CA · San Joaquin County
DEUEL VOCATIONAL INSTITUTION Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of August 22, 2022. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in San Joaquin County, CA.
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)
- CA3910800
- System type
- Community Water System
- Population served
- 3,271
- Service connections
- 1,688
- Ownership
- state government
- Water source
- groundwater (wells)
DEUEL VOCATIONAL INSTITUTION is one of 728 community water systems in California in the 501 to 3,300 people size category, formerly serving 3,271 people from groundwater.
EPA's federal records list this system as inactive in 2022; the record below is historical.
As of August 1, 2026, its federal record holds 9 entries between 1996 and 2014, all of which EPA lists as closed. Nothing has been added since 2014.
Of the 9, 8 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 volatile organic chemicals and the Total Coliform Rules.
Violation history
Monitoring, Regular
—Styrene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Benzene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Toluene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2014 – December 31, 2016
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 1996 – May 31, 1996
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| May 1, 1996 – May 31, 1996 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- July 16, 2019State Compliance achieved28 linked violations
- April 18, 2017State Administrative/Compliance Order without penalty issued31 linked violations
- June 13, 1996State Compliance achieved18 linked violations
Last known contact on file (system is inactive)
COONFIELD, AARON
209-835-4141
TRACY, CA 95376