| Public water system | Population served |
|---|---|
| MDWASA - MAIN SYSTEM | 2,377,460 |
| JEA MAJOR GRID | 826,664 |
| CITY OF TAMPA WATER DEPARTMENT | 733,886 |
| PALM BEACH COUNTY WATER UTILITIES | 671,114 |
| ORLANDO UTILITIES COMMISSION | 536,466 |
| HCWRD/SOUTH-CENTRAL | 515,012 |
| PINELLAS COUNTY UTILITIES | 506,353 |
| ST PETERSBURG, CITY OF | 349,979 |
| MANATEE COUNTY UTILITIES DEPT | 347,800 |
| COCOA, CITY OF | 294,039 |
| OCUD/EASTERN WATER SYSTEM (2 WP) | 293,374 |
| LEE COUNTY UTILITIES | 282,556 |
| SARASOTA CO SPECIAL UTIL DIST | 272,267 |
| EMERALD COAST UTILITIES AUTHORITY (ECUA) | 242,172 |
| HIALEAH, CITY OF | 238,000 |
| PORT ST LUCIE UTILITIES | 224,485 |
| COLLIER COUNTY REGIONAL WTP | 216,993 |
| PCUD-PASCO COUNTY REGIONAL PWS | 214,403 |
| HCWRC/NORTHWEST UTILITIES | 208,982 |
| OCUD/WESTERN REGIONAL WTR SYS (5 WPS) | 206,742 |
| TALLAHASSEE, CITY OF | 200,480 |
| LAKELAND, CITY OF | 193,297 |
| PEMBROKE PINES, CITY OF | 187,459 |
| FORT LAUDERDALE, CITY OF | 185,163 |
| NORTH MIAMI BEACH | 180,000 |
| CHARLOTTE COUNTY UTILITIES | 173,820 |
| CAPE CORAL, CITY OF | 172,693 |
| MELBOURNE, CITY OF | 167,753 |
| HOLLYWOOD, CITY OF | 147,566 |
| HERNANDO CO UTL-WEST | 145,204 |
| PALM BAY, CITY OF | 140,750 |
| MIRAMAR (EAST ; WEST) PLANTS | 137,107 |
| WEST PALM BEACH WTP | 132,000 |
| BOCA RATON WTP | 130,000 |
| INDIAN RIVER COUNTY UTILITIES (2 WTPS) | 126,893 |
| CLEARWATER WATER SYSTEM | 115,000 |
| BOYNTON BEACH PWS | 112,000 |
| MARTIN CO UTILITIES | 104,105 |
| MIAMI BEACH, CITY OF | 100,000 |
| CITY OF POMPANO | 99,400 |
| JUPITER PUBLIC WATER SYSTEM,TOWN OF | 94,929 |
| CITY OF FORT MYERS WATER TREATMENT PLANT | 92,219 |
| NORTH MIAMI, CITY OF | 89,349 |
| WINTER HAVEN WATER DEPARTMENT | 87,537 |
| DAYTONA BEACH, CITY OF | 87,534 |
| FKAA J. ROBERT DEAN W.T.P. | 86,000 |
| PLANTATION, EAST ; CENTRAL | 85,496 |
| NAPLES WATER DEPT | 83,804 |
| WINTER PARK, CITY OF (3 WPS) | 82,984 |
| ST. CLOUD, CITY OF (3 WPS) | 82,752 |
| DELTONA WATER | 81,006 |
| OCUD/SOUTHERN WATER SYS (5 WPS) | 80,738 |
| OKALOOSA CO.WTR.; SWR.SYSTEM | 80,295 |
| HOMESTEAD, CITY OF | 80,000 |
| SANFORD, CITY OF (2 WPS) | 79,715 |
| SUNRISE SPRINGTREE | 79,550 |
| BONITA SPRINGS UTILITIES | 76,033 |
| BCWWS 1A | 75,305 |
| SUNRISE SAWGRASS | 72,400 |
| WINTER GARDEN WATER DEPT (3 WPS) | 72,205 |
| APOPKA, CITY OF (5 WTPS) | 71,917 |
| PORT ORANGE, CITY OF | 71,096 |
| SEMINOLE COUNTY SOUTHEAST | 70,040 |
| DELRAY BEACH PUBLIC WATER SYSTEM | 69,754 |
| CITY OF NEW SMYRNA BEACH | 69,409 |
| PANAMA CITY BEACH CITY OF | 67,205 |
| SJCU-CR214 MAINLAND WTP | 66,953 |
| OCALA, CITY OF (2 WTPS) | 66,449 |
| CORAL SPRINGS, CITY OF | 65,000 |
| TAMARAC (WEST), CITY OF | 63,793 |
| CITY OF MARGATE | 62,254 |
| DEERFIELD BEACH, CITY OF | 62,000 |
| NORTH PORT UTILITIES | 61,163 |
| NORTHEAST | 60,557 |
| ORMOND BEACH | 59,744 |
| BRADENTON CITY OF | 58,584 |
| FT. PIERCE UTILITIES AUTHORITY | 58,000 |
| TITUSVILLE, CITY OF | 57,218 |
| WELLINGTON WTP | 56,475 |
| SARASOTA-CITY OF | 55,364 |
| LAUDERHILL, CITY OF | 55,000 |
| CASSELBERRY, CITY OF (3 WPS) | 54,747 |
| BCWWS 2A | 54,622 |
| WEST SIDE CONSOLIDATED | 54,542 |
| COCONUT CREEK, CITY OF | 54,000 |
| ALTAMONTE SPRINGS WATER DEPT (2 WPS) | 51,000 |
| DELAND, CITY OF | 50,910 |
| PINELLAS PARK WATER DEPT | 48,939 |
| SJCU-NORTHWEST UTILITIES WTP | 48,040 |
| LAKE WORTH BEACH UTILITIES | 48,000 |
| OVIEDO, CITY OF | 47,933 |
| UNIVERSITY OF SOUTH FLORIDA | 47,586 |
| LEESBURG, CITY OF | 46,921 |
| RIVIERA BEACH UTILITY DISTRICT, CITY OF | 46,762 |
| SEBRING WATER ; SEWER SYSTEM | 46,295 |
| DUNEDIN WATER SYSTEM | 46,161 |
| MDWASA/REX UTILITIES | 45,200 |
| UNIVERSITY OF CENTRAL FLORIDA | 44,103 |
| ST. AUGUSTINE WS | 43,069 |
| CITY OF PLANT CITY UTILITY | 41,601 |
| BAY COUNTY WATER SYSTEM | 40,848 |
| TOHO WATER AUTHORITY WESTERN | 40,330 |
| HALLANDALE BEACH, CITY OF | 40,000 |
| EUSTIS, CITY OF (4 WTPS) | 39,721 |
| MOUNT DORA, CITY OF (2WPS) | 39,710 |
| CLERMONT EAST WATER SYSTEM (2 WPS) | 39,279 |
| SOUTHWEST/POLK COUNTY UTILITY | 39,209 |
| OAKLAND PARK CITY OF | 38,905 |
| VERO BEACH, CITY OF | 37,308 |
| CITY OF PUNTA GORDA | 36,302 |
| NORTH LAUDERDALE, CITY OF | 35,709 |
| AUBURNDALE, CITY OF | 35,239 |
| CRESTVIEW, CITY OF WATER DEPT. | 34,789 |
| WINTER SPRINGS, CITY OF (3 WPS) | 34,657 |
| PANAMA CITY WATER SYSTEM | 34,345 |
| OCOEE, CITY OF (2 WPS) | 34,000 |
| COOPER CITY | 33,752 |
| NEW PORT RICHEY WATER DEPT | 33,000 |
| BCWWS 3B/C | 32,650 |
| PALM SPRINGS, VILLAGE OF | 32,467 |
| SEMINOLE COUNTY NORTHWEST | 31,986 |
| PALM BEACH COUNTY SYSTEM 11 | 31,789 |
| VENICE WATER DEPT CITY OF | 31,358 |
| CITY OF TEMPLE TERRACE UTILITY | 31,250 |
| HAINES CITY, CITY OF | 30,545 |
| WEST MELBOURNE WTR SYS(CONSEC) | 30,443 |
| DANIA BEACH, CITY OF | 30,000 |
| CITRUS CO UTL/CHARLES A. BLACK | 29,218 |
| ZEPHYRHILLS CITY OF | 29,117 |
| TARPON SPRINGS WATER SYSTEM | 28,875 |
| EDGEWATER, CITY OF | 28,552 |
| NORTHWEST | 28,082 |
| SOUTH MARTIN REGIONAL UTILITIES | 27,000 |
| IMMOKALEE WATER | 26,841 |
| DAVIE, TOWN OF, #3 ; #5 | 26,000 |
| WILDWOOD, CITY OF (7 WPS) | 25,941 |
| SOUTH SUMTER UTILITIES | 24,278 |
| FORT WALTON BEACH, CITY OF | 24,113 |
| GROVELAND WATER DEPARTMENT | 23,628 |
| ATLANTIC BEACH WATER SYSTEM | 23,503 |
| LYNN HAVEN, CITY OF WATER SYSTEM | 23,380 |
| JACKSONVILLE BEACH WTP | 23,352 |
| LONGWOOD, CITY OF (2 WPS) | 23,237 |
| NAS PENSACOLA / CORRY STATION | 22,600 |
| NICEVILLE, CITY OF | 22,243 |
| HIALEAH GARDENS | 22,200 |
| TAVARES WATER DEPARTMENT (4 WPS) | 22,007 |
| N.A.S. JACKSONVILLE | 22,000 |
| FERNANDINA BEACH WTP | 21,925 |
| BARTOW, CITY OF | 21,501 |
| MILTON, CITY OF WATER SYSTEM | 21,241 |
| MIDWAY WATER SYSTEM, INC. | 21,196 |
| MINNEOLA WATER DEPARTMENT (2 WPS) | 20,605 |
| CALLAWAY, CITY OF WATER SYSTEM | 20,520 |
| N.S. MAYPORT | 20,500 |
| CITY OF LAKE CITY (PRICE CREEK WTP) | 20,488 |
| OKEECHOBEE UTILITY AUTHORITY | 20,000 |
| SEMINOLE COUNTY NORTHEAST | 19,925 |
| VC/SOUTHWEST WATER SYSTEM | 19,672 |
| AVON PARK, CITY OF | 19,361 |
| LAKE WALES, CITY OF | 18,722 |
| VILLAGES OF LAKE-SUMTER - WTPS 1, 3, ; 5 | 18,675 |
| GULF BREEZE REGIONAL WATER SYSTEM | 17,596 |
| OKALOOSA COUNTY BLUEWATER BAY-RAINTREE | 17,592 |
| LAKE MARY, CITY OF | 17,066 |
| STUART, CITY OF - WATER PLANT | 16,841 |
| OPA LOCKA, CITY OF | 16,479 |
| SAFETY HARBOR WATER DEPT | 16,473 |
| BCWWS 3A | 16,046 |
| DADE CITY WATER DEPT | 15,561 |
| TEQUESTA PWS, VILLAGE OF | 15,500 |
| OLDSMAR WATER SYSTEM | 14,898 |
| SJCU-NORTHEAST UTILITIES WS | 14,790 |
| ISLAND WATER ASSOCIATION | 14,784 |
| SOUTH DAYTONA, CITY OF | 14,435 |
| HCWRD/SEABOARD UTILITIES | 13,958 |
| PORT ST. JOE, CITY OF | 13,848 |
| CENTRAL | 13,595 |
| FLORIDA CITY | 13,453 |
| CITY OF PALMETTO WATER DEPT. | 13,446 |
| MAITLAND, CITY OF (3 WPS) | 13,370 |
| UNIVERSITY OF WEST FLORIDA | 13,285 |
| CITY OF HOLLY HILL | 13,108 |
| CITY OF SOPCHOPPY | 12,998 |
| GULFPORT WATER SYSTEM | 12,600 |
| WILTON MANORS, CITY OF | 12,531 |
| ORANGE CITY UTILITIES | 12,507 |
| MASCOTTE WATER DEPARTMENT | 12,355 |
| DEFUNIAK SPRINGS W/S, CITY OF | 12,243 |
| FREEPORT, CITY OF | 12,020 |
| R.C. WILLIS WTP (CITY OF PALATKA) | 11,900 |
| LANTANA WATER TREATMENT PLANT | 11,558 |
| BROOKSVILLE CITY OF | 11,500 |
| SUNRISE SOUTHWEST | 10,750 |
| FARM HILL UTILITIES, INC. | 10,346 |
| QUINCY, CITY OF W/S | 10,298 |
| BAREFOOT BAY | 10,290 |
| CLERMONT, CITY OF (2 WPS) | 10,048 |
| HURLBURT FIELD WATER SYSTEM | 10,006 |
| CITY OF LEESBURG / EAST | 9,727 |
| FLAMINGO CROSSING (CONSEC.) | 9,704 |
| CLEWISTON, CITY OF | 9,643 |
| SEMINOLE COUNTY SOUTHWEST | 9,622 |
| HERNANDO CO UTL-EAST | 9,483 |
| BELLEVIEW, CITY OF (3 WPS) | 9,358 |
| DAVENPORT, CITY OF | 9,043 |
| ARCADIA WATER DEPT, CITY OF | 8,942 |
| TOWN OF ORANGE PARK | 8,668 |
| WEST MIAMI, CITY OF | 8,500 |
| NORTH BAY VILLAGE, CITY OF | 8,317 |
| MARIANNA, CITY OF | 8,227 |
| ALACHUA WTP | 8,220 |
| SPRINGFIELD, CITY OF | 8,075 |
| MIMS WATER TREATMENT / NORTH BREVARD CO. | 7,958 |
| PORT RICHEY WATER DEPT-CITY OF | 7,732 |
| OKALOOSA COUNTY MID SYSTEM (CRESTVIEW) | 7,593 |
| PATRICK SPACE FORCE BASE(CONSEC) | 7,500 |
| MADISON WATER DEPARTMENT | 7,350 |
| CITY OF PERRY | 7,281 |
| NEPTUNE BEACH | 7,270 |
| INVERNESS WATER DEPT | 7,194 |
| HUDSON WATER WORKS | 7,169 |
| TOWN OF LONGBOAT KEY | 7,098 |
| LADY LAKE CENTRAL - WPS 1,2,3 | 7,090 |
| CITY OF GREEN COVE SPRINGS WTP | 7,000 |
| LIVE OAK WTP | 6,850 |
| CITY OF STARKE | 6,800 |
| CITY OF LABELLE | 6,790 |
| VC/HALIFAX PLANTATION (WTP-8) | 6,630 |
| CITY OF MACCLENNY | 6,500 |
| TOWN OF FORT MYERS BEACH (BEACH WATER) | 6,499 |
| ORANGEWOOD WATER SYSTEM | 6,464 |
| CITY OF JASPER WTP | 6,250 |
| OAKLAND TOWN OF | 6,202 |
| NAVARRE BEACH WATER SYSTEM | 6,166 |
| BAY HARBOR ISLANDS TOWN OF | 6,000 |
| FLORIDA STATE PRISON | 5,980 |
| FLORAL CITY WATER ASSN | 5,917 |
| MEXICO BEACH, CITY OF | 5,888 |
| SUGARLOAF WATER TREATMENT PLANT | 5,807 |
| HIGH SPRINGS WTP | 5,795 |
| SURFSIDE, TOWN OF | 5,744 |
| VALPARAISO, CITY OF | 5,722 |
| LAKE ALFRED, CITY OF | 5,584 |
| HOMOSASSA SPECIAL WATER DISTRICT | 5,548 |
| CITY OF FORT MEADE | 5,455 |
| BELLEAIR WATER PLANT | 5,299 |
| APALACHICOLA, CITY OF | 5,235 |
| FRUITLAND PARK, CITY OF (3 WPS) | 5,127 |
| EAST WATER SYSTEM | 5,052 |
| WAUCHULA CITY WATER DEPARTMENT | 5,000 |
| MOORE CREEK MOUNT CARMEL UTILITIES | 4,875 |
| FLAGLER BEACH WTP | 4,830 |
| ASHLEY FARMS | 4,784 |
| TOWN OF PONCE INLET | 4,616 |
| CRYSTAL RIVER, CITY OF | 4,528 |
| MONTICELLO, CITY OF | 4,502 |
| WAHNETA WATER SYSTEM | 4,500 |
| SOUTH SHORE WATER ASSN., INC. | 4,498 |
| PARKER, CITY OF WATER SYSTEM | 4,358 |
| HIGHLAND BEACH WATER PLANT | 4,287 |
| EREC WATER SYSTEM | 4,238 |
| SPRING LAKE IMPROVEMENT DISTIRCT | 4,098 |
| VC/SOUTHEAST VOLUSIA INTERCONNECTED-WS#7 | 4,082 |
| MARY ESTHER, CITY OF | 4,013 |
| GRACEVILLE, CITY OF | 4,000 |
| SUWANNEE CORRECTIONAL INSTITUTE | 3,950 |
| UMATILLA WATER WORKS (2 WPS) | 3,948 |
| VILLAGE OF PINE RIDGE (CONSEC) | 3,914 |
| NEWBERRY WTP | 3,885 |
| HAVANA, TOWN OF WATER SYSTEM | 3,860 |
| VC/SOUTHWEST WTP-2 | 3,842 |
| DUNDEE, TOWN OF | 3,824 |
| MULBERRY, CITY OF | 3,780 |
| MOORE HAVEN WTP | 3,735 |
| CITY OF CARRABELLE WATER SYSTEM | 3,690 |
| CHIPLEY, CITY OF | 3,660 |
| DESOTO COUNTY WATER SYSTEM | 3,518 |
| GRETNA, CITY OF | 3,508 |
| BUNNELL WATER PLANT | 3,507 |
| VILLAGE OF GOLF | 3,505 |
| BLOUNTSTOWN, CITY OF | 3,500 |
| CENTURY, TOWN OF | 3,490 |
| FROSTPROOF, CITY OF | 3,425 |
| VC/SPRUCE CREEK WTP-15 | 3,386 |
| EUSTIS EASTERN WTP | 3,301 |
Largest first by population served, as each employer reports it to its federal registry.
Source: U.S. Environmental Protection Agency, Safe Drinking Water Information System (SDWIS/Fed), community water systems. Data captured October 2, 2026.
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