TEMESCAL VALLEY WATER DISTRICT
California — Community Water System — PWSID: CA3310074
System Information
| PWSID | CA3310074 |
| System Name | TEMESCAL VALLEY WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 6, 1994 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | TEMESCAL VALLEY |
| ZIP Code | 92883 |
| Address | 22646 Temescal Canyon Rd. |
| Organization | PAPE, JEFF |
| Phone | 951-277-1414 |
Population & Service
| Population Served | 21,971 |
| Service Connections | 6,812 |
Drinking Water Violations (15)
This water system has 15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Addressed | — | Lead and Copper Rule |
| Apr 1, 2013 | Jun 30, 2013 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2013 | Jun 30, 2013 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2013 | Jun 30, 2013 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2013 | Jun 30, 2013 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2011 | Oct 31, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | Total Coliform Rule |
| Oct 1, 2011 | Oct 31, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | Total Coliform Rule |
| Jul 1, 2008 | Sep 30, 2008 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Sep 30, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2008 | Sep 30, 2008 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Sep 30, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2008 | Sep 30, 2008 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Sep 30, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2008 | Sep 30, 2008 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Sep 30, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2003 | Sep 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2003 | Total Coliform Rule |
| Sep 1, 2003 | Sep 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2003 | Total Coliform Rule |
| Dec 1, 2002 | Dec 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2002 | Total Coliform Rule |
| Dec 1, 2002 | Dec 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2002 | 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.