COUNTY WATER-SYSTEM LEDGER
Okanogan, Washington
EPA’s September 2026 export lists 4 active community water systems serving Okanogan, Washington, with 0 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Okanogan, Washington
EPA associates 4 covered systems with Okanogan, Washington; their reported population-served values total 15,856 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Omak City OfWA5363750 | 4,940 | Ground water | No current violation flagged |
| Brewster City OfWA5308300 | 3,843 | Ground water | No current violation flagged |
| Okanogan Water Department City OfWA5363200 | 3,817 | Ground water | No current violation flagged |
| Oroville City OfWA5364400 | 3,256 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Okanogan, Washington
EPA classifies 4 systems serving Okanogan, Washington across 1 primary-source categories; Ground water is the largest category with 4 systems.
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.