2 cities covered
Idaho water quality and radon, by city
0 of 2 covered Idaho cities use chloramine in at least part of the system, and 0 have hard water. 19 of Idaho's 44 counties are EPA radon zone 1.
| City | Disinfectant | Hardness | Lead | PFAS | Radon |
|---|---|---|---|---|---|
| Boise City | Chlorine | 5.2 gpg | 2 ppb | Not detected | Zone 2 |
| Meridian | Chlorine | 5.0 gpg | 3.9 ppb | PFOS | Zone 2 |
Idaho radon zones
Zone 1 (highest)19 counties
Zone 220 counties
Zone 3 (lowest)5 counties