3 cities covered
Massachusetts water quality and radon, by city
1 of 3 covered Massachusetts cities use chloramine in at least part of the system, and 0 have hard water. 3 of Massachusetts's 14 counties are EPA radon zone 1.
| City | Disinfectant | Hardness | Lead | PFAS | Radon |
|---|---|---|---|---|---|
| Boston | Chloramine | 1.0 gpg | 5.9 ppb | Not sampled | Zone 3 |
| Worcester | Chlorine | 2.4 gpg | 2 ppb | Not detected | Zone 1 |
| Springfield | Chlorine | 1.4 gpg | 3.5 ppb | Not detected | Zone 2 |
Massachusetts radon zones
Zone 1 (highest)3 counties
Zone 210 counties
Zone 3 (lowest)1 counties