1 city covered
Iowa water quality and radon, by city
0 of 1 covered Iowa cities use chloramine in at least part of the system, and 1 have hard water. 99 of Iowa's 99 counties are EPA radon zone 1.
| City | Disinfectant | Hardness | Lead | PFAS | Radon |
|---|---|---|---|---|---|
| Des Moines | Chlorine | 17.3 gpg | Not detected | Not detected | Zone 1 |
Iowa radon zones
Zone 1 (highest)99 counties
Zone 20 counties
Zone 3 (lowest)0 counties