PISMO BEACH WATER DEPARTMENT
California — Community Water System — PWSID: CA4010008
System Information
| PWSID | CA4010008 |
| System Name | PISMO BEACH WATER DEPARTMENT |
| 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 | PISMO BEACH |
| ZIP Code | 93449 |
| Address | 760 Mattie Road |
| Organization | SHEA, BRANDON |
| Phone | 805-773-7054 |
Population & Service
| Population Served | 8,036 |
| Service Connections | 5,335 |
Drinking Water Violations (9)
This water system has 9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2024 | Mar 31, 2024 | Total Haloacetic Acids (HAA5) | MCL | Yes | No | .064 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Mar 31, 2024 | Total Haloacetic Acids (HAA5) | MCL | Yes | No | .064 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 | Dec 31, 2023 | Total Haloacetic Acids (HAA5) | MCL | Yes | No | .067 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 | Dec 31, 2023 | Total Haloacetic Acids (HAA5) | MCL | Yes | No | .067 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 | Sep 30, 2023 | Total Haloacetic Acids (HAA5) | MCL | Yes | No | .063 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 | Sep 30, 2023 | Total Haloacetic Acids (HAA5) | MCL | Yes | No | .063 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 | Dec 31, 2023 | Nitrate | MR | No | No | — | 10 mg/L | — | Resolved | Dec 31, 2023 | Nitrate Rule |
| Jan 1, 2023 | Dec 31, 2023 | Nitrate | MR | No | No | — | 10 mg/L | — | Resolved | Dec 31, 2023 | Nitrate Rule |
| May 1, 1993 | May 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 1993 | 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.