SIERRA LINDA MUTUAL WATER CO
California - Community Water System - PWSID: CA2000506
System Information
| PWSID | CA2000506 |
| System Name | SIERRA LINDA MUTUAL WATER CO |
| 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 | NORTH FORK |
| ZIP Code | 93643 |
| Address | PO BOX 285 |
| Organization | _NEWMAN, PATRICK |
| Phone | 559-877-4701 |
Population & Service
| Population Served | 200 |
| Service Connections | 89 |
Drinking Water Violations (127)
This water system has 127 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, 2025 | Dec 31, 2025 | MCL | Yes | No | .02375 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 277.5 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .025 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 307.5 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | 350 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .024 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | 423.33 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .024 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 70 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .019833 UG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 21.125 UG/L | 0.010 mg/L | 10 | Archived | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 327.5 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 29 UG/L | 0.010 mg/L | 10 | Archived | Mar 31, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 235 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2024 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 207.5 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .03025 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 184.75 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | .035 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 152.25 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | .03525 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | 103 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | 35.25 UG/L | 0.010 mg/L | 10 | Archived | Mar 31, 2023 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MCL | Yes | No | .0335 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | 10.1 UG/L | 0.010 mg/L | 10 | Archived | Sep 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 11 UG/L | 0.010 mg/L | 10 | Archived | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 34 MG/L | 0.010 mg/L | 10 | Archived | Jun 30, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 28 UG/L | 0.010 mg/L | 10 | Archived | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 18 UG/L | 0.010 mg/L | 10 | Archived | Mar 31, 2022 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | .031 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | .029 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MCL | Yes | No | .024 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .03 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2021 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .016 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2020 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | 78.6 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | 264 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | 249 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .025 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | 67.35 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2019 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .024 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MCL | Yes | No | 53.5 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MCL | Yes | No | 266.2 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2018 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 82 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 260 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2017 | - |
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.