LITTLEROCK CREEK IRRIGATION DIST.
California — Community Water System — PWSID: CA1910064
System Information
| PWSID | CA1910064 |
| System Name | LITTLEROCK CREEK IRRIGATION DIST. |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | LITTLEROCK |
| ZIP Code | 93543 |
| Address | 35141 87TH STREET EAST |
| Organization | CHAISSON, JAMES |
| Phone | 661-944-2015 |
Population & Service
| Population Served | 3,040 |
| Service Connections | 1,369 |
Drinking Water Violations (12)
This water system has 12 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, 2023 | Mar 31, 2023 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 | Mar 31, 2023 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 | Mar 31, 2023 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 | Mar 31, 2023 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2022 | Sep 30, 2022 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Sep 30, 2022 | Ground Water Rule |
| Sep 1, 2022 | Sep 30, 2022 | Groundwater Rule | MR | No | Yes | — | — | — | Resolved | Sep 30, 2022 | Ground Water Rule |
| Jul 1, 2022 | Sep 30, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2022 | Nitrate Rule |
| Jul 1, 2022 | Sep 30, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2022 | Nitrate Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 12, 2021 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 12, 2021 | Lead and Copper Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | Total Coliform Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | 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.