OMAK CITY OF
Washington — Community Water System — PWSID: WA5363750
System Information
| PWSID | WA5363750 |
| System Name | OMAK CITY OF |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Omak |
| ZIP Code | 98841 |
| Address | PO Box 72 |
| Organization | OMAK CITY OF |
| Phone | — |
Population & Service
| Population Served | 4,940 |
| Service Connections | 2,528 |
Drinking Water Violations (13)
This water system has 13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2017 | — | Other | No | No | — | — | — | Resolved | Feb 1, 2018 | — | |
| Nov 1, 2016 | Nov 30, 2016 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2016 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 19, 1994 | Nov 18, 1994 | MR | No | Yes | — | 5% of samples | — | Archived | Nov 18, 1994 | — | |
| Jul 1, 1993 | Jan 1, 1994 | MR | No | No | — | TT | — | Resolved | Jan 1, 1994 | — | |
| Jul 1, 1993 | Jan 1, 1994 | MR | No | No | — | TT | — | Resolved | Jan 1, 1994 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.