U.S. water systems

New York Water Systems

New York

5,227 community water systems on record — 2,250 active, 2,977 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace New York’s official records. Always confirm current status with New York before making decisions based on this information.

Counties in New York

Albany County (37)Allegany County (30)Bronx County (2)Broome County (72)Cattaraugus County (62)Cayuga County (51)Chautauqua County (86)Chemung County (32)Chenango County (37)Clinton County (68)Columbia County (67)Cortland County (27)Delaware County (43)Dutchess County (203)Erie County (193)Essex County (36)Franklin County (21)Fulton County (28)Genesee County (34)Greene County (47)Hamilton County (8)Herkimer County (49)Jefferson County (87)Kings County (2)Lewis County (21)Livingston County (43)Madison County (36)Monroe County (114)Montgomery County (19)Nassau County (43)New York County (4)Niagara County (24)Oneida County (66)Onondaga County (48)Ontario County (70)Orange County (157)Orleans County (78)Oswego County (87)Otsego County (42)Putnam County (114)Queens County (2)Rensselaer County (84)Richmond County (2)Rockland County (31)Saratoga County (124)Schenectady County (13)Schoharie County (22)Schuyler County (16)Seneca County (34)St. Lawrence County (62)Steuben County (82)Suffolk County (42)Sullivan County (98)Tioga County (42)Tompkins County (68)Ulster County (121)Warren County (32)Washington County (25)Wayne County (70)Westchester County (108)Wyoming County (30)Yates County (16)

All community water systems in New York

System name	Mailing city	Population served	Status
NEW YORK CITY SYSTEM	VALHALLA	8,271,000	Active
SUFFOLK COUNTY WATER AUTHORITY	HAUPPAUGE	1,100,000	Active
NEW YORK CITY - CROTON SYSTEM	KATONAH	1,000,000	Inactive
MCWA	ROCHESTER	525,262	Active
NEW YORK CITY - GROUNDWATER SYSTEM	FLUSHING	518,000	Inactive
OCWA	SYRACUSE	350,000	Active
ECWA DIRECT	BUFFALO	313,380	Active
BUFFALO WATER AUTHORITY	BUFFALO	276,000	Active
VEOLIA WATER NEW YORK	WEST NYACK	270,000	Active
LIBERTY UTILITIES NEW YORK - LYNBROOK	MERRICK	220,000	Active
YONKERS CITY	YONKERS	211,569	Active
ROCHESTER CITY	ROCHESTER	210,000	Active
SYRACUSE CITY	SYRACUSE	192,000	Active
MCWA UPLAND SYSTEM	ROCHESTER	182,400	Inactive
BAYSHORE DISTRICT	OAKDALE	160,721	Inactive
ECWA WOODLAWN PLANT	BUFFALO	150,000	Inactive
VEOLIA WATER NEW YORK, INC. RD-1	WEST NYACK	146,732	Active
LIBERTY UTILITIES NEW YORK - MERRICK	MERRICK	135,000	Active
MVWA - MOHAWK VALLEY WATER AUTHORITY	UTICA	126,250	Active
WA OF WESTERN NASSAU	NEW HYDE PARK	120,000	Active
TONAWANDA WD#6	TONAWANDA (T)	110,000	Inactive
TOWN OF HEMPSTEAD WATER DEPARTMENT	EAST MEADOW	110,000	Active
ALBANY CITY	ALBANY	98,000	Active
ECWA AMHERST	BUFFALO	92,697	Active
GREENBURGH CONSOLIDATED WD #1	GREENBURGH	86,624	Active
LATHAM WATER DISTRICT	LATHAM	85,590	Active
SOUTH HUNTINGTON WATER DISTRICT	CENTERPORT	81,760	Active
MOUNT VERNON WATER DEPARTMENT	MOUNT VERNON	73,893	Active
TONAWANDA, TOWN WATER DEPT.	TONAWANDA	72,571	Active
TONAWANDA CON. WATER DISTRICT	KENMORE	69,795	Inactive
SCHENECTADY CITY WATER WORKS	SCHENECTADY	61,821	Active
WESTCHESTER JOINT WATER WORKS	MAMARONECK	59,629	Active
WHITE PLAINS CITY	WHITE PLAINS	59,559	Active
JERICHO WD	SYOSSET	58,000	Active
VEOLIA WATER NEW YORK, INC. RD-2	WEST NYACK	57,301	Active
HEMPSTEAD (V)	HEMPSTEAD	56,000	Active
EAST MEADOW WATER DISTRICT	EAST MEADOW	54,900	Inactive
GREENWICH WATER CO	—	54,304	Inactive
ELMIRA WATER BOARD	ELMIRA	54,000	Active
KIRYAS JOEL	MONROE	51,623	Active
TROY CITY PWS	GLENS FALLS	51,401	Active
NIAGARA FALLS WATER BOARD	NIAGARA FALLS	50,193	Active
LEVITTOWN WATER DISTRICT	EAST MEADOW	48,900	Inactive
HICKSVILLE WD	HICKSVILLE	48,000	Active
BINGHAMTON, CITY OF	BINGHAMTON	47,600	Active
JAMESTOWN BPU	JAMESTOWN	46,712	Active
ENDICOTT MUNICIPAL WATER WORKS	ENDICOTT	45,000	Active
FREEPORT (V)	FREEPORT	45,000	Active
SOUTH FARMINGDALE WD	FARMINGDALE	44,700	Active
MANHASSET LAKEVILLE WD	GREAT NECK	43,000	Active
MASSAPEQUA WD	MASSAPEQUA	43,000	Active
POUGHKEEPSIE TOWNWIDE WD	POUGHKEEPSIE	43,000	Active
GREENLAWN WATER DISTRICT	GREENLAWN	42,000	Active
HENRIETTA WD #1	HENRIETTA	36,400	Inactive
YORKTOWN CONSOLD. WATER DIST.#1	YORKTOWN HEIGHTS	36,000	Active
CLIFTON PARK WATER AUTHORITY	CLIFTON PARK	35,000	Active
LONG BEACH CITY	LONG BEACH	35,000	Active
RIVERHEAD WATER DISTRICT	RIVERHEAD	35,000	Active
DIX HILLS WATER DISTRICT	HUNTINGTON	34,522	Active
FORT DRUM	FORT DRUM	34,000	Active
PLAINVIEW WD	—	34,000	Active
PORT WASHINGTON WD	PORT WASHINGTON	34,000	Active
BETHPAGE WD	—	33,000	Active
WEST HEMPSTEAD WD	WEST HEMPSTEAD	32,031	Active
ROME CITY	ROME	31,795	Active
CORNELL UNIVERSITY	ITHACA	31,581	Active
NORTH TONAWANDA CITY	NORTH TONAWANDA	31,568	Active
WA OF GREAT NECK NORTH	GREAT NECK	31,400	Active
BETHLEHEM WD NO 1	DELMAR	31,000	Active
POUGHKEEPSIE CITY	POUGHKEEPSIE	30,639	Active
GUILDERLAND TOWN WD	GUILDERLAND	30,000	Active
MIDDLETOWN CITY	MIDDLETOWN	30,000	Active
OSSINING WATER DEPARTMENT	OSSINING	30,000	Active
ITHACA CITY	ITHACA	29,457	Active
OSWEGO CITY	OSWEGO	29,400	Active
ECWA LANCASTER	BUFFALO	29,018	Active
NEWBURGH CITY	NEWBURGH	29,000	Active
BRENTWOOD WD	HAUPPAUGE	28,500	Inactive
CORTLANDT CONSOLIDATED WD	CORTLANDT MANOR	28,369	Active
GLEN COVE CITY	GLEN COVE	28,000	Active
ROTTERDAM WD #5	ROTTERDAM	28,000	Active
WATERTOWN CITY	WATERTOWN	27,861	Active
AUBURN	AUBURN	27,179	Active
SARATOGA SPRINGS CITY	SARATOGA SPRINGS	26,525	Active
CORNELL UNIVERSITY	ITHACA	26,000	Inactive
BROCKPORT VILLAGE	BROCKPORT	25,918	Active
NEW WINDSOR CONSOLIDATED WD	NEW WINDSOR	25,667	Active
ROCKVILLE CENTRE (V)	ROCKVILLE CENTRE	24,700	Active
ECWA ORCHARD PARK	BUFFALO	24,582	Active
PEEKSKILL CITY	PEEKSKILL	24,272	Active
PALMYRA-MACEDON-WALWORTH CSA	PALMYRA	24,267	Active
PLATTSBURGH CITY	PLATTSBURGH	24,173	Active
KINGSTON (CITY) WATER DISTRICT	KINGSTON	24,000	Active
UNIONDALE WATER DISTRICT	EAST MEADOW	23,800	Inactive
ECWA WEST SENECA	BUFFALO	23,557	Active
GARDEN CITY (V)	GARDEN CITY	23,272	Active
NISKAYUNA CONSOLIDATED WD #11	NISKAYUNA	22,287	Active
NEWBURGH CONSOLIDATED WD	NEWBURGH	22,282	Active
VESTAL CONSOLIDATED W.D. #1	VESTAL	22,200	Active
CAMILLUS CONSOLIDATED WD	SYRACUSE	22,000	Inactive
SCARSDALE WATER DEPARTMENT	SCARSDALE	21,649	Active
ENDWELL WD	ENDICOTT	21,620	Inactive
QUEENSBURY WATER DISTRICT	QUEENSBURY	21,200	Active
LOCKPORT CITY WTP	LOCKPORT	21,165	Active
LOCKPORT TOWN WDS	LOCKPORT	21,105	Active
UNION TOWN WATER SYSTEM NO. 1	ENDWELL	21,000	Inactive
AMSTERDAM (C)	AMSTERDAM	20,700	Active
MINEOLA (V)	MINEOLA	20,600	Active
WESTBURY WD	WESTBURY	20,500	Active
CORTLAND (C)	CORTLAND	20,095	Active
FRANKLIN SQUARE WD	FRANKLIN SQUARE	20,000	Active
QUEENSBURY WATER DISTRICT	QUEENSBURY	20,000	Inactive
SMITHTOWN WATER DISTRICT	KINGS PARK	19,635	Active
GRAND ISLAND TOWN WATER DEPT.	GRAND ISLAND	19,500	Active
WALLKILL CONSOLIDATED WD	MIDDLETOWN	18,450	Active
COHOES CITY	COHOES	18,447	Active
WHEATFIELD WD	NORTH TONAWANDA	18,117	Active
SMITHTOWN DISTRICT	OAKDALE	18,050	Inactive
GARDEN CITY PARK WD	GARDEN CITY PARK	18,000	Active
GLOVERSVILLE (C) WATER WORKS	GLOVERSVILLE	17,991	Active
KENSICO WATER DISTRICT	VALHALLA	17,917	Active
SALINA WDS	SYRACUSE	17,500	Inactive
TONAWANDA CITY	BUFFALO	17,284	Inactive
NEW CASTLE/STANWOOD W.D.	CHAPPAQUA	17,116	Active
GLENS FALLS CITY	GLENS FALLS	17,000	Inactive
ROSLYN WD	ROSLYN	17,000	Active
MASSENA VILLAGE	MASSENA	16,729	Active
FULTON CITY	FULTON	16,600	Active
JOHNSON CITY WATER WORKS	JOHNSON CITY	16,578	Active
MCWA GENESEE	ROCHESTER	16,541	Active
LEWISTON WATER IMPROVEMENTAREA	LEWISTON	16,257	Active
DEWITT WDS - SOUTH	EAST SYRACUSE	16,200	Active
CLAY WDS	CLAY	16,000	Active
ONEONTA CITY	ONEONTA	15,954	Active
EAST GREENBUSH GENERAL W.D.	EAST GREENBUSH	15,843	Active
BATAVIA CITY	—	15,475	Active
KENMORE VILLAGE	KENMORE	15,423	Active
CLARENCE, TOWN WATER DEPT.	BUFFALO	15,000	Inactive
GLENVILLE WD #11	GLENVILLE	15,000	Active
HALFMOON WATER DISTRICT (TROY)	HALFMOON	15,000	Active
HORSEHEADS VILLAGE	HORSEHEADS	15,000	Active
NYACK VILLAGE WATER SUPPLY	NYACK	14,700	Active
OLEAN CITY	OLEAN	14,500	Active
BEACON CITY	BEACON	14,370	Active
CICERO WDS	SYRACUSE	14,108	Inactive
GLENS FALLS CITY	GLENS FALLS	14,000	Active
UNITED WAPPINGER WATER IMPROVEMENT DIST.	WAPPINGERS FALLS	14,000	Active
MCWA BROCKPORT	ROCHESTER	13,630	Inactive
DEWITT WDS - NORTH	EAST SYRACUSE	13,600	Active
ALBERTSON WD	ROSLYN HEIGHTS	13,500	Active
LIBERTY UTILITIES NEW YORK - SEA CLIFF	MERRICK	13,400	Active
GENEVA CITY	GENEVA	13,334	Active
MALONE V	MALONE	13,232	Active
CANANDAIGUA-FARMINGTON CONSOLIDATED W.D.	VICTOR	13,000	Active
ITHACA TOWN WD	ITHACA	13,000	Active
SCOTIA VILLAGE WATER WORKS	SCOTIA	12,800	Active
DUNKIRK CITY	DUNKIRK	12,743	Active
SHOREWOOD WATER CORP	SHOREHAM	12,700	Inactive
HAMPTON BAYS WATER DISTRICT	HAMPTON BAYS	12,500	Active
ECWA EVANS	BUFFALO	12,338	Active
BOWLING GREEN WATER DISTRICT	EAST MEADOW	12,300	Inactive
C.W.W.I.A.-(HILL TOP)	WAPPINGERS FALLS	12,200	Inactive
MONROE VILLAGE	MONROE	12,000	Active
SUFFERN VILLAGE	SUFFERN	12,000	Active
ROBERT MOSES STATE PARK	BABYLON	11,600	Active
ONEIDA CITY	ONEIDA	11,393	Active
ECWA HAMBURG (T)	BUFFALO	11,314	Inactive
CANANDAIGUA CITY	CANANDAIGUA	11,264	Active
MOUNT KISCO WATER DEPARTMENT	MOUNT KISCO	11,187	Active
PLATTSBURGH CONSOLIDATED WATER DISTRICT	PLATTSBURGH	11,162	Active
TARRYTOWN WATER SUPPLY	TARRYTOWN	11,000	Active
WOODBURY CONS. W.D.	CENTRAL VALLEY	10,845	Active
ST JAMES WATER DISTRICT	KINGS PARK	10,587	Active
CORNING CITY	CORNING	10,300	Active
ELMA WATER DISTRICT NO. 1	ELMA	10,287	Active
NORTH GREENBUSH CONSOLIDATED DISTRICT	WYNANTSKILL	10,226	Active
ONTARIO TOWN BENEFIT AREA #1	ONTARIO	10,136	Active
OGDENSBURG CITY	OGDENSBURG	10,064	Active
BURNT HILLS-BALLSTON LK WD	BURNT HILLS	10,000	Active
HAMLIN CONSOLIDATED WATER DIST	HAMLIN	10,000	Inactive
VAN BUREN WDS	SYRACUSE	10,000	Inactive
DELHI COLLEGE GOLF COURSE W.S.	DELHI	9,999	Inactive
LACKAWANNA CITY	LACKAWANNA	9,999	Inactive
SUNY AT MORRISVILLE	MORRISVILLE	9,999	Inactive
LCWSA CONSOLIDATED WATER DISTRICT	LAKEVILLE	9,892	Active
WATERVLIET CITY	—	9,889	Active
HORNELL CITY	HORNELL	9,870	Active
SLEEPY HOLLOW (VILLAGE)	SLEEPY HOLLOW	9,870	Active
FAIRPORT VILLAGE	FAIRPORT	9,800	Inactive
WATERFORD WATER WORKS (PURCHASE TROY)	WATERFORD	9,800	Active
ECWA HAMBURG (V)	BUFFALO	9,744	Active
CORNWALL-ON-HUDSON	CORNWALL-ON-HUDSON	9,700	Active
FREDONIA VILLAGE	FREDONIA	9,585	Active
PLEASANTVILLE WATER DISTRICT	PLEASANTVILLE	9,550	Active
WILTON WATER & SEWER AUTHORITY	GANSEVOORT	9,490	Active
SENECA FALLS	SENECA FALLS	9,400	Active
NEWFANE TOWN WDS	NEWFANE	9,304	Active
RENSSELAER CITY PWS	RENSSELAER	9,300	Active
BALDWINSVILLE VILLAGE	BALDWINSVILLE	9,200	Active
CHENANGO CONSOLIDATED WD #1	BINGHAMTON	9,200	Active

Showing the 200 largest of 5,227 systems on record, by population served. Browse by county above for the full list — every system has its own page, and all of them are in the sitemap.