Water quality for ZIP code 98823
ZIP 98823 covers Ephrata in Grant County, Washington, one of 14 ZIP codes in the county. 267 active public water systems serve the county; 87 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Grant County
80 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Ephrata Water Department |
8,718 | 2 | 5.4 mi | |
| Crescent View Condominium Owners |
243 | 1 | 5.7 mi | |
| Desert Villa |
100 | 0 | 6.9 mi | |
| Wagon Wheel MHP |
86 | 0 | 7.3 mi | |
| Westmont Acres |
206 | 1 | 8.1 mi | |
| Lakeview Park Water Assn |
1,259 | 1 | 8.3 mi | |
| Soap Lake Water Dept |
2,399 | 0 | 9.5 mi | |
| Quincy Water Department City of |
8,415 | 1 | 10.5 mi | |
| Weiler-Martin Tracts Water Assn |
1,163 | 2 | 11.3 mi | |
| Golden Valley Water Assn |
138 | 1 | 12.8 mi | |
| The Village at Colockum Ridge |
144 | 1 | 14.5 mi | |
| Crescent Bar System |
1,108 | 0 | 17.7 mi | |
| Desert Hills |
30 | 0 | 17.9 mi | |
| MT View Water System |
44 | 0 | 18.0 mi | |
| Sunserra at Crescent Bar |
1,000 | 2 | 18.0 mi | |
| Westshore Water Company |
153 | 2 | 18.4 mi | |
| George City of |
1,035 | 2 | 18.4 mi | |
| Lakeview Mobile Terrace |
43 | 0 | 19.0 mi | |
| Ponderosa Mobile Home Park |
105 | 0 | 19.1 mi | |
| Cascade Village MHP |
164 | 0 | 19.2 mi | |
| Cascade Valley Water District |
379 | 0 | 19.3 mi | |
| Skyline Water System INC |
293 | 0 | 19.3 mi | |
| Country Club Estates Water System |
186 | 0 | 19.5 mi | |
| Hillcrest Water Users Assn |
300 | 1 | 19.7 mi | |
| Basin Water Sources INC |
1,158 | 0 | 19.8 mi |
Non-community systems in Grant County (186: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Grant County, the county this ZIP code lies in, nearest to the ZIP code's centre first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system.
ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Washington records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.