COUNTY WATER-SYSTEM LEDGER
Grant, Washington
EPA’s September 2026 export lists 7 active community water systems serving Grant, 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 Grant, Washington
EPA associates 7 covered systems with Grant, Washington; their reported population-served values total 65,850 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 |
|---|---|---|---|
| Moses Lake City OfWA5356300 | 32,428 | Ground water | No current violation flagged |
| Ephrata Water DepartmentWA5323650 | 8,718 | Ground water | No current violation flagged |
| Quincy Water Department City OfWA5370450 | 8,415 | Ground water | No current violation flagged |
| Mattawa City ofWA5352000 | 5,370 | Ground water | No current violation flagged |
| Warden City OfWA5392850 | 4,674 | Ground water | No current violation flagged |
| Royal City WaterWA5374700 | 3,389 | Ground water | No current violation flagged |
| Desert Aire Owner AssnWA5319056 | 2,856 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Grant, Washington
EPA classifies 7 systems serving Grant, Washington across 1 primary-source categories; Ground water is the largest category with 7 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.