Florida water quality
Florida has 4,822 active public water systems (19,277 on file total), 1,513 of them graded by TapGraded.
Grade distribution
Biggest water systems
MDWASA - MAIN SYSTEM
MIAMI, FL · 2,377,460 served
JEA MAJOR GRID
JACKSONVILLE, FL · 826,664 served
CITY OF TAMPA WATER DEPARTMENT
TAMPA, FL · 733,886 served
PALM BEACH COUNTY WATER UTILITIES
WEST PALM BEACH, FL · 671,114 served
ORLANDO UTILITIES COMMISSION
ORLANDO, FL · 536,466 served
HCWRD/SOUTH-CENTRAL
TAMPA, FL · 515,012 served
PINELLAS COUNTY UTILITIES
LARGO, FL · 506,353 served
ST PETERSBURG, CITY OF
ST PETERSBURG, FL · 349,979 served
MANATEE COUNTY UTILITIES DEPT
BRADENTON, FL · 347,800 served
COCOA, CITY OF
COCOA, FL · 294,039 served
Lowest-graded systems
Active, graded systems serving at least 10,000 people, ordered by lowest Tap Grade first.
R.C. WILLIS WTP (CITY OF PALATKA)
PALATKA, FL · 11,900 served
LAUDERHILL, CITY OF
LAUDERHILL, FL · 55,000 served
HALLANDALE BEACH, CITY OF
HALLANDALE BEACH, FL · 40,000 served
DANIA BEACH, CITY OF
DANIA BEACH, FL · 30,000 served
LAKE UTILITY SERVICES INC NORTH (8 WPS)
ALTAMONTE SPRINGS, FL · 24,798 served
WINTER HAVEN WATER DEPARTMENT
WINTER HAVEN, FL · 87,537 served
PEMBROKE PINES, CITY OF
PEMBROKE PINES, FL · 187,459 served
MIAMI BEACH, CITY OF
MIAMI BEACH, FL · 100,000 served
BCWWS 1A
POMPANO BEACH, FL · 75,305 served
NORTHEAST
WINTER HAVEN, FL · 60,557 served
Cities in Florida
Source: EPA SDWIS/ECHO · Data as of 2026Q2