CARPINTERIA VALLEY WATER DISTRICT
California — Community Water System — PWSID: CA4210001
System Information
| PWSID | CA4210001 |
| System Name | CARPINTERIA 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 | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | CARPINTERIA |
| ZIP Code | 93013 |
| Address | 1301 Santa Ynez Avenue |
| Organization | MCDONALD, ROBERT |
| Phone | 805-684-2816 |
Population & Service
| Population Served | 15,996 |
| Service Connections | 4,431 |
Drinking Water Violations (10)
This water system has 10 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2013 | Sep 30, 2013 | TTHM | MCL | Yes | No | 80.5 UG/L | 0.080 mg/L | — | Resolved | Sep 30, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2013 | Sep 30, 2013 | TTHM | MCL | Yes | No | 80.5 UG/L | 0.080 mg/L | — | Resolved | Sep 30, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2013 | Jun 30, 2013 | TTHM | MCL | Yes | No | 90.4 UG/L | 0.080 mg/L | — | Resolved | Jun 30, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2013 | Jun 30, 2013 | TTHM | MCL | Yes | No | 90.4 UG/L | 0.080 mg/L | — | Resolved | Jun 30, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2008 | Sep 30, 2008 | TTHM | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 12, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2008 | Sep 30, 2008 | TTHM | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 12, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2005 | Dec 31, 2005 | TTHM | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2005 | Dec 31, 2005 | TTHM | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| May 1, 1996 | May 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1996 | Total Coliform Rule |
| May 1, 1996 | May 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 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.