SHERIDAN, CITY OF
Oregon - Community Water System - PWSID: OR4100811
System Information
| PWSID | OR4100811 |
| System Name | SHERIDAN, CITY OF |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | SHERIDAN |
| ZIP Code | 97378 |
| Address | 120 SW MILL ST |
| Organization | SHERIDAN, CITY OF |
| Phone | 503-843-2660 |
Population & Service
| Population Served | 6,494 |
| Service Connections | 1,642 |
Drinking Water Violations (111)
This water system has 111 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 23, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jul 15, 2025 | - | |
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jul 15, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Oct 25, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 18, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Dec 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Dec 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Dec 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Dec 1, 2022 | Dec 31, 2022 | MON | No | No | - | - | - | Resolved | Dec 31, 2022 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | No | - | - | - | Resolved | Aug 31, 2021 | - | |
| Jun 1, 2021 | Jun 30, 2021 | MON | No | No | - | - | - | Resolved | Jun 30, 2021 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2020 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2020 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2020 | - | |
| Apr 1, 2020 | Apr 30, 2020 | MON | No | No | - | - | - | Resolved | Apr 30, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 5 pCi/L | - | Archived | Dec 31, 2025 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Jan 1, 2017 | Dec 31, 2025 | MR | No | Yes | - | 15 pCi/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2017 | Dec 31, 2025 | MR | No | Yes | - | 30 ug/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2017 | Dec 31, 2025 | MR | No | Yes | - | 30 ug/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2017 | Dec 31, 2025 | MR | No | Yes | - | 15 pCi/L | - | Archived | Dec 31, 2025 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - |
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.