Florida drinking water quality
Florida has 5,116 active public water systems serving 22.6 million people. 2,771 of them, 54%, had at least one EPA violation in the past three years, 1,027 have an unresolved violation today, and 402 are designated serious violators by the EPA.
Active systems
5,116
in 67 counties
People served
22.6M
1,598 community systems serve 22.1M
Violations, past 3 years
2,771
54% of active systems
Serious violators
402
1 systems carry a health flag
Largest counties
All 67 counties| County | People served | Systems | With violations |
|---|---|---|---|
| Miami-Dade | 3,326,032 | 173 | 93 |
| Broward | 1,915,270 | 55 | 54 |
| Hillsborough | 1,743,588 | 723 | 164 |
| Orange | 1,628,804 | 115 | 58 |
| Palm Beach | 1,590,728 | 71 | 57 |
| Pinellas | 1,147,926 | 13 | 13 |
| Duval | 938,821 | 95 | 44 |
| Brevard | 738,073 | 82 | 35 |
| Lee | 730,406 | 80 | 63 |
| Polk | 672,510 | 400 | 307 |
Largest community water systems
All 5,116 systems| System | Serves | Status |
|---|---|---|
| Mdwasa Main System Miami-Dade County |
2,377,460 | |
| Jea Major Grid Duval County |
826,664 | |
| City of Tampa Water Department Hillsborough County |
733,886 | |
| Palm Beach County Water Utilities Palm Beach County |
671,114 | |
| Orlando Utilities Commission Orange County |
536,466 | |
| Hcwrd/south-Central Hillsborough County |
515,012 | |
| Pinellas County Utilities Pinellas County |
506,353 | |
| ST Petersburg, City of Pinellas County |
349,979 | |
| Manatee County Utilities Dept Manatee County |
347,800 | |
| Cocoa, City of Brevard County |
294,039 |
About the Florida data
Retrieved from EPA ECHO on Oct 11, 2026.