UNITY, CITY OF
Oregon — Community Water System — PWSID: OR4101450
System Information
| PWSID | OR4101450 |
| System Name | UNITY, CITY OF |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Apr 1, 1994 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | UNITY |
| ZIP Code | 97884 |
| Address | PO BOX 7 |
| Organization | UNITY, CITY OF |
| Phone | 541-403-4627 |
Population & Service
| Population Served | 71 |
| Service Connections | 51 |
Drinking Water Violations (334)
This water system has 334 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 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Aug 25, 2025 | — | MR | No | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | — | — | Archived | Dec 31, 2025 | — | |
| Oct 1, 2024 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jan 26, 2024 | — | Other | No | No | — | — | — | Addressed | — | — | |
| Nov 16, 2023 | — | TT | Yes | No | — | TT | — | Addressed | — | — | |
| Nov 16, 2023 | — | TT | Yes | No | — | TT | — | Addressed | — | — | |
| Nov 1, 2023 | Nov 30, 2023 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2022 | Dec 31, 2022 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2022 | — | |
| Oct 17, 2022 | — | MR | No | Yes | — | — | — | Resolved | Mar 15, 2024 | — | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | — | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2020 | — | |
| Jun 1, 2020 | Jun 30, 2020 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2020 | — | |
| May 18, 2020 | — | MR | No | Yes | — | — | — | Resolved | Aug 14, 2020 | — | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.0005 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2022 | — |
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.