COLUMBIA BASIN ONION
Oregon — Non-Transient Non-Community — PWSID: OR4195757
System Information
| PWSID | OR4195757 |
| System Name | COLUMBIA BASIN ONION |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 20, 2025 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | HERMISTON |
| ZIP Code | 97838 |
| Address | PO BOX 1191 |
| Organization | COLUMBIA BASIN ONION |
| Phone | 541-701-8410 |
Population & Service
| Population Served | 97 |
| Service Connections | 2 |
Drinking Water Violations (8)
This water system has 8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 13, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Oct 4, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 15 MG/L | 10 mg/L | 10 | Archived | Dec 31, 2025 | — | |
| Jul 13, 2025 | — | TT | Yes | No | — | — | — | Resolved | Jul 17, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 15 MG/L | 10 mg/L | 10 | Archived | Sep 30, 2025 | — | |
| Jul 1, 2025 | — | MR | No | No | — | TT | — | Resolved | Dec 22, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 15 MG/L | 10 mg/L | 10 | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 15 MG/L | 10 mg/L | 10 | Archived | Dec 31, 2025 | — |
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.