Water quality in Twin Falls, Idaho
Twin Falls is in Twin Falls County. 56 active public water systems serve the county; 44 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 Twin Falls County
13 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Meander Point Subd |
140 | 3 | 4.3 mi | |
| Filer Water Works |
2,858 | 2 | 5.7 mi | |
| Kimberly City of |
5,359 | 1 | 6.9 mi | |
| Hansen City of |
1,200 | 3 | 10.4 mi | |
| Rock Ledge Estates |
150 | 1 | 10.7 mi | |
| Buhl City of |
4,518 | 3 | 13.4 mi | |
| Hollister City of |
220 | 4 | 14.8 mi | |
| Murtaugh City of |
130 | 4 | 17.8 mi | |
| Kanaka Rapids Ranch Water System INC |
240 | 5 | 18.2 mi | |
| Castleford City of |
275 | 1 | 19.0 mi | |
| Sportsmans River Resort |
50 | 0 | 20.5 mi | |
| Rogerson Water Dist |
75 | 0 | 23.9 mi | |
| Countryside Village |
108 | 4 | — |
Non-community systems in Twin Falls County (42: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Twin Falls County, nearest to Twin Falls 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 or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.
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 Idaho 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.