4 cities covered
Kansas water quality and radon, by city
4 of 4 covered Kansas cities use chloramine in at least part of the system, and 4 have hard water. 65 of Kansas's 105 counties are EPA radon zone 1.
| City | Disinfectant | Hardness | Lead | PFAS | Radon |
|---|---|---|---|---|---|
| Wichita | Chloramine | 8.1 gpg | 1.4 ppb | Not detected | Zone 2 |
| Overland Park | Chloramine | 7.9 gpg | 6.5 ppb | Not detected | Zone 1 |
| Kansas City | Chloramine | 17.7 gpg | 7.5 ppb | Not detected | Zone 1 |
| Olathe | Chloramine | 8.2 gpg | 11 ppb | Not detected | Zone 1 |
Kansas radon zones
Zone 1 (highest)65 counties
Zone 240 counties
Zone 3 (lowest)0 counties