16 cities covered
Florida water quality and radon, by city
12 of 16 covered Florida cities use chloramine in at least part of the system, and 8 have hard water. None of Florida's 67 counties is EPA radon zone 1, but EPA still recommends testing every home.
| City | Disinfectant | Hardness | Lead | PFAS | Radon |
|---|---|---|---|---|---|
| Jacksonville | Chlorine | 11.1 gpg | 1.5 ppb | Not detected | Zone 3 |
| Miami | Chloramine | 14.5 gpg | 3.1 ppb | PFOA, PFOS | Zone 2 |
| Tampa | Chloramine | 8.0 gpg | 1.5 ppb | PFOS, PFOA | Zone 2 |
| Orlando | Chlorine | 7.0 gpg | 2 ppb | Not detected | Zone 3 |
| St. Petersburg | Chloramine | 8.9 gpg | 1.8 ppb | Not detected | Zone 3 |
| Port St. Lucie | Chloramine | No data | 4.6 ppb | Not detected | Zone 3 |
| Hialeah | Chloramine | 12.4 gpg | 0.9 ppb | PFOS, PFOA | Zone 2 |
| Cape Coral | Chlorine | 3.5 gpg | 1.4 ppb | Not detected | Zone 3 |
| Tallahassee | Chlorine | 8.0 gpg | 1.4 ppb | PFOS | Zone 2 |
| Fort Lauderdale | Chloramine | 2.9 gpg | 4.9 ppb | PFOS, PFOA | Zone 3 |
| Pembroke Pines | Chloramine | 2.9 gpg | 0.6 ppb | PFOS, PFOA | Zone 3 |
| Hollywood | Chloramine | 3.0 gpg | 3.5 ppb | PFOA, PFOS | Zone 3 |
| Gainesville | Chloramine | 8.2 gpg | 0.7 ppb | Not detected | Zone 2 |
| Miramar | Chloramine | 1.2 gpg | 1.2 ppb | Not detected | Zone 3 |
| Palm Bay | Chloramine | 7.0 gpg | 2.1 ppb | PFOA, PFOS | Zone 3 |
| Coral Springs | Chloramine | 3.0 gpg | 1.1 ppb | PFOS, PFOA | Zone 3 |
Florida radon zones
Zone 1 (highest)0 counties
Zone 29 counties
Zone 3 (lowest)58 counties