COUNTY WATER-SYSTEM LEDGER
Canyon, Idaho
EPA’s September 2026 export lists 3 active community water systems serving Canyon, 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 Canyon, Idaho
EPA associates 3 covered systems with Canyon, Idaho; their reported population-served values total 187,390 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 |
|---|---|---|---|
| Nampa City OfID3140080 | 100,200 | Ground water | No current violation flagged |
| Caldwell City OfID3140013 | 74,000 | Ground water | Current monitoring/reporting flag |
| Middleton City OfID3140074 | 13,190 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Canyon, Idaho
EPA classifies 3 systems serving Canyon, Idaho across 1 primary-source categories; Ground water is the largest category with 3 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.