Water quality in Walla Walla, Washington
Walla Walla is in Walla Walla County. 70 active public water systems serve the county; 34 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Walla Walla County
32 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Veterans Affair Med Ctr Dept of |
785 | 1 | 1.2 mi | |
| Prospect Heights Comm Water Assn |
40 | 3 | 2.0 mi | |
| Artesian Water District 8 |
302 | 4 | 2.2 mi | |
| Green Tank Irr District 11 |
553 | 0 | 2.2 mi | |
| Sydney Heights Water Assn |
130 | 2 | 2.6 mi | |
| Reser Creek Water System |
26 | 0 | 2.7 mi | |
| Blalock Orchard Dist 10 |
250 | 1 | 2.7 mi | |
| Hydro Irrigation District NO 9 |
260 | 0 | 2.8 mi | |
| Walla Walla University |
1,273 | 1 | 3.0 mi | |
| Consolidated Irrigation Dist 14 |
1,555 | 0 | 3.1 mi | |
| College Place Water Dept |
8,147 | 0 | 3.1 mi | |
| Cottonwood Glen Water Assn |
65 | 0 | 3.2 mi | |
| Blalock Orchards Dist 12 |
193 | 1 | 3.3 mi | |
| Valle Lindo Homes |
787 | 0 | 4.7 mi | |
| Summers Circle Water LLC |
82 | 0 | 4.9 mi | |
| Dixie Water Association |
240 | 2 | 10.2 mi | |
| Kooskooskie Cabin Owners Inc. |
45 | 1 | 11.1 mi | |
| Prescott Town of |
522 | 1 | 16.1 mi | |
| Waitsburg City of |
1,817 | 1 | 16.6 mi | |
| Kzh Farms Higgy |
29 | 0 | 21.2 mi | |
| Snake River Housing Water System |
3,036 | 0 | 25.1 mi | |
| Jubilee |
30 | 0 | 26.1 mi | |
| Firstfruits Farms |
68 | 1 | 26.4 mi | |
| Wallula Water District |
200 | 3 | 27.3 mi | |
| Sun Harbor Water District #3 |
187 | 2 | 27.3 mi |
Non-community systems in Walla Walla County (37: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Walla Walla County, nearest to Walla Walla 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.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 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.