WP&A - LOST HILLS WATER SYSTEM
California — Non-Transient Non-Community — PWSID: CA1502759
System Information
| PWSID | CA1502759 |
| System Name | WP&A - LOST HILLS WATER SYSTEM |
| System Type | Non-Transient Non-Community |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 6, 1994 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | LOST HILLS |
| ZIP Code | 93249 |
| Address | 13646 HWY 33 |
| Organization | MCCORMICK, MELISSA |
| Phone | 661-797-6441 |
Population & Service
| Population Served | 1,888 |
| Service Connections | 36 |
Drinking Water Violations (11)
This water system has 11 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2010 | Feb 28, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2010 | Total Coliform Rule |
| Jan 1, 2005 | Mar 31, 2005 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Mar 31, 2005 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Mar 31, 2005 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Mar 31, 2005 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2004 | Dec 31, 2004 | TTHM | MCL | Yes | No | .117 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2004 | Dec 31, 2004 | TTHM | MCL | Yes | No | .117 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 1, 1999 | Nov 30, 1999 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1999 | Total Coliform Rule |
| Dec 1, 1998 | Dec 31, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1998 | Total Coliform Rule |
| Mar 1, 1996 | Mar 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1996 | Total Coliform Rule |
| Mar 1, 1996 | Mar 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1996 | Total Coliform Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.