DEXTER OAKS CO-OP
Oregon — Community Water System — PWSID: OR4100998
System Information
| PWSID | OR4100998 |
| System Name | DEXTER OAKS CO-OP |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | DEXTER |
| ZIP Code | 97431 |
| Address | 39009 DEXTER RD, #28 |
| Organization | DEXTER OAKS CO-OP |
| Phone | 209-578-3903 |
Population & Service
| Population Served | 75 |
| Service Connections | 38 |
Drinking Water Violations (103)
This water system has 103 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 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Oct 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jun 25, 2024 | — | |
| May 21, 2023 | — | Other | No | No | — | — | — | Resolved | Jul 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2023 | — | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2023 | — | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2023 | — | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2023 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2022 | — | |
| Aug 29, 2022 | — | Other | No | No | — | — | — | Resolved | Apr 1, 2024 | — | |
| Aug 29, 2022 | — | Other | No | No | — | — | — | Resolved | Apr 1, 2024 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | .023 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | .023 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | .023 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2022 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | .021 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2021 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | .021 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2021 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | .021 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2021 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | .021 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | .019 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | .019 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | .019 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | .019 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MCL | Yes | No | .03 MG/L | 0.010 mg/L | .01 | Resolved | Apr 23, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MCL | Yes | No | .03 MG/L | 0.010 mg/L | .01 | Resolved | Apr 23, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MCL | Yes | No | .03 MG/L | 0.010 mg/L | .01 | Resolved | Apr 23, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .034 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .034 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .034 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .034 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2021 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | .028 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | .028 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | .028 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | .028 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .024 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .024 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2020 | — |
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.