4 cities covered
Alabama water quality and radon, by city
0 of 4 covered Alabama cities use chloramine in at least part of the system, and 0 have hard water. 13 of Alabama's 67 counties are EPA radon zone 1.
| City | Disinfectant | Hardness | Lead | PFAS | Radon |
|---|---|---|---|---|---|
| Huntsville | Chlorine | 5.8 gpg | 1 ppb | PFOA, PFOS | Zone 1 |
| Mobile | Chlorine | 1.8 gpg | 1.5 ppb | Not detected | Zone 3 |
| Birmingham | Chlorine | 4.5 gpg | 1.8 ppb | Detected | Zone 2 |
| Montgomery | Chlorine | 2.2 gpg | Not detected | Not detected | Zone 2 |
Alabama radon zones
Zone 1 (highest)13 counties
Zone 233 counties
Zone 3 (lowest)21 counties