BIG BASIN WATER COMPANY
California — Community Water System — PWSID: CA4410001
System Information
| PWSID | CA4410001 |
| System Name | BIG BASIN WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | IRVINE |
| ZIP Code | 92606 |
| Address | 3 Corporate Park #100 |
| Organization | FARJEAT, RENE |
| Phone | 949-281-6542 |
Population & Service
| Population Served | 1,120 |
| Service Connections | 540 |
Drinking Water Violations (102)
This water system has 102 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2022 | Jun 30, 2022 | MON | No | No | — | — | — | Resolved | Jun 30, 2022 | — | |
| Jun 1, 2022 | Jun 30, 2022 | MON | No | No | — | — | — | Resolved | Jun 30, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2022 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2021 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2021 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2020 | — | |
| Jan 1, 2018 | Dec 31, 2020 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Jan 1, 2018 | Dec 31, 2020 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Jan 1, 2018 | Dec 31, 2020 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Jan 1, 2018 | Dec 31, 2020 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Jan 1, 2018 | Dec 31, 2020 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Jan 1, 2018 | Dec 31, 2020 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Feb 1, 2005 | Feb 28, 2005 | TT | Yes | No | — | — | — | Resolved | Feb 28, 2005 | — | |
| Feb 1, 2005 | Feb 28, 2005 | TT | Yes | No | — | — | — | Resolved | Feb 28, 2005 | — | |
| Jan 1, 2005 | Jan 31, 2005 | TT | Yes | No | — | — | — | Resolved | Jan 31, 2005 | — | |
| Jan 1, 2005 | Jan 31, 2005 | TT | Yes | No | — | — | — | Resolved | Jan 31, 2005 | — | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2005 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Sep 1, 2004 | Sep 30, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | — | |
| Sep 1, 2004 | Sep 30, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | — | |
| Sep 1, 2004 | Sep 30, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | — | |
| Jun 1, 2004 | Jun 30, 2004 | TT | Yes | No | — | — | — | Resolved | Jun 30, 2004 | — | |
| Jun 1, 2004 | Jun 30, 2004 | TT | Yes | No | — | — | — | Resolved | Jun 30, 2004 | — | |
| May 1, 2004 | May 31, 2004 | TT | Yes | No | — | — | — | Resolved | May 31, 2004 | — | |
| May 1, 2004 | May 31, 2004 | TT | Yes | No | — | — | — | Resolved | May 31, 2004 | — | |
| Apr 1, 2004 | Apr 30, 2004 | TT | Yes | No | — | — | — | Resolved | Apr 30, 2004 | — |
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.