Employer directory · New York

Public water systems in New York

266 public water systems in New York, 8th among the states. Community drinking-water systems owned by a local, state or federal government and serving 3,301 people or more, from EPA's Safe Drinking Water Information System. Private and tribal systems are not included.

Public water systemPopulation served
NEW YORK CITY SYSTEM8,271,000
SUFFOLK COUNTY WATER AUTHORITY1,100,000
BUFFALO WATER AUTHORITY276,000
YONKERS CITY211,569
ROCHESTER CITY210,000
SYRACUSE CITY192,000
MVWA - MOHAWK VALLEY WATER AUTHORITY126,250
TOWN OF HEMPSTEAD WATER DEPARTMENT110,000
ALBANY CITY98,000
ECWA AMHERST92,697
GREENBURGH CONSOLIDATED WD #186,624
LATHAM WATER DISTRICT85,590
SOUTH HUNTINGTON WATER DISTRICT81,760
MOUNT VERNON WATER DEPARTMENT73,893
TONAWANDA, TOWN WATER DEPT.72,571
SCHENECTADY CITY WATER WORKS61,821
WESTCHESTER JOINT WATER WORKS59,629
WHITE PLAINS CITY59,559
HEMPSTEAD (V)56,000
ELMIRA WATER BOARD54,000
KIRYAS JOEL51,623
TROY CITY PWS51,401
NIAGARA FALLS WATER BOARD50,193
HICKSVILLE WD48,000
BINGHAMTON, CITY OF47,600
JAMESTOWN BPU46,712
ENDICOTT MUNICIPAL WATER WORKS45,000
FREEPORT (V)45,000
MANHASSET LAKEVILLE WD43,000
POUGHKEEPSIE TOWNWIDE WD43,000
GREENLAWN WATER DISTRICT42,000
YORKTOWN CONSOLD. WATER DIST.#136,000
LONG BEACH CITY35,000
RIVERHEAD WATER DISTRICT35,000
DIX HILLS WATER DISTRICT34,522
FORT DRUM34,000
BETHPAGE WD33,000
WEST HEMPSTEAD WD32,031
ROME CITY31,795
NORTH TONAWANDA CITY31,568
BETHLEHEM WD NO 131,000
POUGHKEEPSIE CITY30,639
GUILDERLAND TOWN WD30,000
MIDDLETOWN CITY30,000
OSSINING WATER DEPARTMENT30,000
ITHACA CITY29,457
OSWEGO CITY29,400
ECWA LANCASTER29,018
NEWBURGH CITY29,000
CORTLANDT CONSOLIDATED WD28,369
ROTTERDAM WD #528,000
WATERTOWN CITY27,861
AUBURN27,179
SARATOGA SPRINGS CITY26,525
BROCKPORT VILLAGE25,918
NEW WINDSOR CONSOLIDATED WD25,667
ROCKVILLE CENTRE (V)24,700
ECWA ORCHARD PARK24,582
PEEKSKILL CITY24,272
PALMYRA-MACEDON-WALWORTH CSA24,267
PLATTSBURGH CITY24,173
KINGSTON (CITY) WATER DISTRICT24,000
ECWA WEST SENECA23,557
GARDEN CITY (V)23,272
NEWBURGH CONSOLIDATED WD22,282
VESTAL CONSOLIDATED W.D. #122,200
SCARSDALE WATER DEPARTMENT21,649
QUEENSBURY WATER DISTRICT21,200
LOCKPORT CITY WTP21,165
LOCKPORT TOWN WDS21,105
AMSTERDAM (C)20,700
MINEOLA (V)20,600
CORTLAND (C)20,095
SMITHTOWN WATER DISTRICT19,635
GRAND ISLAND TOWN WATER DEPT.19,500
WALLKILL CONSOLIDATED WD18,450
COHOES CITY18,447
WHEATFIELD WD18,117
GLOVERSVILLE (C) WATER WORKS17,991
KENSICO WATER DISTRICT17,917
NEW CASTLE/STANWOOD W.D.17,116
MASSENA VILLAGE16,729
FULTON CITY16,600
JOHNSON CITY WATER WORKS16,578
LEWISTON WATER IMPROVEMENTAREA16,257
DEWITT WDS - SOUTH16,200
CLAY WDS16,000
ONEONTA CITY15,954
EAST GREENBUSH GENERAL W.D.15,843
BATAVIA CITY15,475
KENMORE VILLAGE15,423
GLENVILLE WD #1115,000
HALFMOON WATER DISTRICT (TROY)15,000
HORSEHEADS VILLAGE15,000
NYACK VILLAGE WATER SUPPLY14,700
OLEAN CITY14,500
BEACON CITY14,370
GLENS FALLS CITY14,000
UNITED WAPPINGER WATER IMPROVEMENT DIST.14,000
DEWITT WDS - NORTH13,600
ALBERTSON WD13,500
GENEVA CITY13,334
MALONE V13,232
CANANDAIGUA-FARMINGTON CONSOLIDATED W.D.13,000
ITHACA TOWN WD13,000
SCOTIA VILLAGE WATER WORKS12,800
DUNKIRK CITY12,743
HAMPTON BAYS WATER DISTRICT12,500
ECWA EVANS12,338
MONROE VILLAGE12,000
SUFFERN VILLAGE12,000
ROBERT MOSES STATE PARK11,600
ONEIDA CITY11,393
CANANDAIGUA CITY11,264
MOUNT KISCO WATER DEPARTMENT11,187
PLATTSBURGH CONSOLIDATED WATER DISTRICT11,162
TARRYTOWN WATER SUPPLY11,000
WOODBURY CONS. W.D.10,845
ST JAMES WATER DISTRICT10,587
CORNING CITY10,300
ELMA WATER DISTRICT NO. 110,287
NORTH GREENBUSH CONSOLIDATED DISTRICT10,226
ONTARIO TOWN BENEFIT AREA #110,136
OGDENSBURG CITY10,064
BURNT HILLS-BALLSTON LK WD10,000
LCWSA CONSOLIDATED WATER DISTRICT9,892
WATERVLIET CITY9,889
HORNELL CITY9,870
SLEEPY HOLLOW (VILLAGE)9,870
WATERFORD WATER WORKS (PURCHASE TROY)9,800
ECWA HAMBURG (V)9,744
CORNWALL-ON-HUDSON9,700
FREDONIA VILLAGE9,585
PLEASANTVILLE WATER DISTRICT9,550
SENECA FALLS9,400
NEWFANE TOWN WDS9,304
RENSSELAER CITY PWS9,300
BALDWINSVILLE VILLAGE9,200
CHENANGO CONSOLIDATED WD #19,200
BRIARCLIFF MANOR VILLAGE9,190
NEWARK VILLAGE9,142
BEDFORD CONSOLIDATED W.D.9,056
SCRIBA WD (OSWEGO)9,044
PORT JERVIS CITY9,000
MALTA WATER DISTRICT #18,950
DANSVILLE VILLAGE8,900
FARMINGDALE (V)8,744
MCWA - GENEVA8,532
BIG FLATS WATER DISTRICT 58,489
POTSDAM VILLAGE8,312
JOHNSTOWN (C) WATER WORKS8,154
NIAGARA WATER IMPROVEMENT AREA8,100
ILION (V) WATER WORKS8,053
COLONIE VILLAGE8,030
CATSKILL VILLAGE8,000
CROTON ON HUDSON VILLAGE8,000
GENESEO VILLAGE8,000
MONTICELLO VILLAGE8,000
NORWICH CITY8,000
U.S.M.A. - LUSK SYSTEM8,000
FALLSBURG WHO-LS-SF7,850
SEA BREEZE WD7,800
SODUS-HURON-WOLCOTT-BUTLER CSA7,746
ROYALTON TOWNWIDE WATER DIST.7,710
WASHINGTONVILLE VILLAGE7,700
HERKIMER VILLAGE7,606
PINE BUSH WATER DISTRICT7,600
NEW PALTZ (VILLAGE) WATER DIST7,523
WILLISTON PARK (V)7,287
ECWA BOSTON7,250
LERAY TOWN WD 1, 2, 47,140
CANTON VILLAGE7,055
BRUNSWICK CONSOLIDATED WATER DISTRICT7,050
WALDEN VILLAGE7,007
HUDSON FALLS VILLAGE (QUEENSBURY)7,000
WATERLOO VILLAGE7,000
HYDE PARK REGIONAL6,928
PORTER MASTER IMPROVEMENT AREA6,920
CANANDAIGUA TOWN CONS. WD6,800
WARWICK VILLAGE6,800
HUDSON CITY6,750
BAYVILLE (V)6,700
IRVINGTON WATER SUPPLY6,631
EAST AURORA VILLAGE6,610
MOREAU WD #2 (QUEENSBURY)6,600
WILLIAMSON TOWN WD6,600
BALLSTON SPA VILLAGE6,541
MEDINA VILLAGE6,500
LARCHMONT VILLAGE6,485
MARION-ARCADIA-SODUS CSA6,303
PENDLETON TOWN WD6,050
ALBION VILLAGE6,000
RHINEBECK VILLAGE WATER6,000
WESTCHESTER COUNTY WD #36,000
WILSON TOWN WATER DISTRICT5,993
CAMBRIA WATER DISTRICT5,839
SALAMANCA CITY5,815
ECWA NEWSTEAD5,801
WELLSVILLE VILLAGE PUBLIC WATER5,700
GOSHEN VILLAGE5,600
WAPPINGERS FALLS VILLAGE5,522
TUPPER LAKE V5,500
ULSTER WATER DISTRICT5,500
BATAVIA CONSOLIDATED W.D.5,445
BATH VILLAGE CONSOLIDATED SAMPLING AREA5,400
SARANAC LAKE V5,345
ELMSFORD VILLAGE5,293
PENN YAN VILLAGE5,248
MECHANICVILLE CITY5,200
CARMEL WD 25,000
HARRIMAN VILLAGE5,000
LAKE PLACID V5,000
HOOSICK FALLS (V) PWS4,925
WAVERLY VILLAGE4,830
OLD WESTBURY (V)4,700
COBLESKILL VILLAGE4,678
LITTLE FALLS CITY4,605
MORNINGSIDE HEIGHTS WD / ERWIN (T)4,570
MONTGOMERY VILLAGE4,519
KINGSBURY WD (QUEENSBURY)4,500
MENANDS VILLAGE4,500
OCEAN BEACH WATER DISTRICT4,500
PORT EWEN WATER DISTRICT4,500
RAVENA VILLAGE4,500
HOMER VILLAGE-NEWTON WATER WORKS4,368
CORTLANDVILLE TOWN WATER4,300
ELLENVILLE (VILLAGE) WATER DIS4,300
SPRINGVILLE VILLAGE4,266
GOUVERNEUR4,263
SAUGERTIES (VILLAGE) WATER DIS4,200
HARTLAND WD4,117
HAMILTON VILLAGE4,107
FISHKILL VILLAGE4,101
HIGHLAND FALLS VILLAGE4,101
GLASCO WATER DISTRICT4,071
ANGOLA VILLAGE4,050
GREENPORT WD NO14,050
COXSACKIE VILLAGE4,010
HIGHLAND WATER DISTRICT4,000
LOWVILLE VILLAGE4,000
SARATOGA SPRINGS CITY (GEYSER CREST)4,000
U.S.M.A. - STONEY LONESOME SYS4,000
RICHLAND TOWN PWS3,950
LIBERTY VILLAGE3,900
SOUTH GLENS FALLS VILLAGE3,900
WESTFIELD VILLAGE AND TOWN3,890
WARSAW VILLAGE3,850
SOMERS CONSOLIDATED WATER DISTRICT #13,848
DELHI VILLAGE3,833
SIDNEY VILLAGE3,800
BRINKERHOFF WATER DISTRICT3,788
HOPEWELL CONS WD 13,781
TICONDEROGA WD3,700
PERRY VILLAGE3,673
ALFRED STATE COLLEGE3,600
CARTHAGE VILLAGE3,600
WARRENSBURG WATER DISTRICT3,600
PALMYRA VILLAGE3,580
BEAR MOUNTAIN WATER SUPPLY3,564
BROOKHAVEN NATIONAL LABORATORY3,500
MOUNT MORRIS VILLAGE3,500
SKANEATELES WDS3,500
CHESTER VILLAGE3,448
GORHAM TOWN WD3,420
SOUTH BLOOMING GROVE VILLAGE WD 13,400
GREENWOOD LAKE VILLAGE3,383

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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