Florida tap water by county

Hardness, PFAS sampling, lead and violations for the largest water systems in 20 Florida counties. In 20 of them, at least one large system detected PFAS in EPA testing (a detection isn't a violation).

CountyLargest systemHardnessPFAS detected
Miami-Dade CountyMdwasa - Main SystemTest (no data)6 of 6 systems
Broward CountyPembroke Pines, City of14.6 gpg (low)4 of 6 systems
Palm Beach CountyPalm Beach County Water Utilities11.7 gpg (low)4 of 6 systems
Hillsborough CountyCity of Tampa Water Department12.3 gpg (high)5 of 6 systems
Orange CountyOrlando Utilities Commission7.5 gpg (high)1 of 6 systems
Duval CountyJea Major Grid120–372 mg/L (varies) (high)1 of 6 systems
Pinellas CountyPinellas County Utilities12.7 gpg (high)4 of 6 systems
Lee CountyLee County Utilities16.8 gpg (low)2 of 6 systems
Polk CountyLakeland, City of4.1 gpg (low)3 of 6 systems
Pasco CountyPcud-Pasco County Regional Pws6.4 gpg (low)5 of 6 systems
Brevard CountyCocoa, City of10.2 gpg (low)5 of 6 systems
Volusia CountyDaytona Beach, City of8.9 gpg (low)4 of 6 systems
Seminole CountySanford, City of (2 Wps)6.5 gpg (low)3 of 6 systems
Sarasota CountySarasota Co Special Util Dist22.3 gpg (low)3 of 6 systems
Osceola CountySt. Cloud, City of (3 Wps)3.0 gpg (low)1 of 5 systems
Manatee CountyManatee County Utilities Dept106–279 mg/L (varies) (high)2 of 4 systems
Lake CountyLeesburg, City of7.9 gpg (low)5 of 6 systems
Marion CountyOcala, City of (2 Wtps)7.7 gpg (low)6 of 6 systems
Collier CountyCollier County Regional Wtp15.9 gpg (low)3 of 4 systems
St. Lucie CountyPort St Lucie Utilities16.4 gpg (low)2 of 4 systems

Public-record figures, not a test of your tap. Not 100% accurate or guaranteed. Confirm with a water test, your utility or a qualified pro before you buy or act.

Hardness confidence: high = utility report; low = county estimate of untreated local water. Don't see your county? Use the water quality lookup.