Water Quality in Idaho
Water hardness and contaminant data for 5 cities across Idaho. Find your city below to see a detailed water quality profile.
5
Cities
86
Avg Hardness (PPM)
110
Hardest City (PPM)
Idaho Cities by Water Hardness
| City | Hardness (PPM) | Level | PFAS (ppt) | Source |
|---|---|---|---|---|
| Boise | 110 | Hard | 3 | Boise River + groundwater |
| Idaho Falls | 91 | Moderately Hard | 4 | Snake River |
| Pocatello | 86 | Moderately Hard | 3 | Groundwater wells |
| Meridian | 82 | Moderately Hard | 2 | Groundwater wells |
| Nampa | 62 | Moderately Hard | 2 | Snake River, groundwater |