COUNTY WATER-SYSTEM LEDGER
Twin Falls, Idaho
EPA’s September 2026 export lists 4 active community water systems serving Twin Falls, Idaho, with 1 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 Twin Falls, Idaho
EPA associates 4 covered systems with Twin Falls, Idaho; their reported population-served values total 68,856 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 |
|---|---|---|---|
| Twin Falls City OfID5420058 | 56,121 | Ground water | No current violation flagged |
| Kimberly City OfID5420033 | 5,359 | Ground water | No current violation flagged |
| Buhl City OfID5420007 | 4,518 | Ground water | No current violation flagged |
| Filer Water WorksID5420021 | 2,858 | Ground water | Current monitoring/reporting flag |
02 / SOURCE MIX
Primary water sources for Twin Falls, Idaho
EPA classifies 4 systems serving Twin Falls, Idaho 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.