CONCORD, CA · San Joaquin County
LOCKEFORD MOBILE HOME PARK WTR SYS Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- CA3900682
- System type
- Community Water System
- Population served
- 123
- Service connections
- 43
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
March 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| March 1, 2010 – March 31, 2010 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 1981 – September 30, 1982 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- May 1, 2012State Public Notification requested2 linked violations
- April 30, 2010State Compliance achieved2 linked violations
- March 28, 2006State Compliance achieved1 linked violation
- January 31, 2006State Compliance achieved2 linked violations
- May 30, 2005State Compliance achieved1 linked violation
- June 30, 2004State Compliance achieved1 linked violation
- May 30, 2004State Compliance achieved1 linked violation
- April 1, 2004State Public Notification requested1 linked violation
- July 30, 1997State Compliance achieved2 linked violations
- June 1, 1997State Public Notification received1 linked violation
Contact
VASHON, JOHN
925-640-7121
CONCORD, CA 94520