New York water providers

Find published drinking-water records, providers, and official agency resources for New York. Review sources, sample dates, and coverage.

Official drinking-water resources

• New York State - Department of Health - Drinking Water Protection Program
• New York State - Department of Health - Environmental Health Tracker - Drinking Water Contaminants

The responsible agency may differ for tribal systems. Record availability and sample dates vary by provider.

Community systems appear first. Sort: Population served · A–Z

Public water systems

8,080 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.

• New York City SystemNY7003493 · CWS · Population served: 8,271,000
• Suffolk County Water AuthorityNY5110526 · CWS · Population served: 1,100,000
• McwaNY2701047 · CWS · Population served: 525,262
• OcwaNY3304336 · CWS · Population served: 350,000
• Ecwa DirectNY1400443 · CWS · Population served: 313,380
• Buffalo Water AuthorityNY1400422 · CWS · Population served: 276,000
• Veolia Water New YorkNY4303673 · CWS · Population served: 270,000
• Liberty Utilities New York - LynbrookNY2902835 · CWS · Population served: 220,000
• Yonkers CityNY5903465 · CWS · Population served: 211,569
• Rochester CityNY2704518 · CWS · Population served: 210,000
• Syracuse CityNY3304334 · CWS · Population served: 192,000
• Veolia Water New York, Inc. Rd-1NY5903444 · CWS · Population served: 146,732
• Liberty Utilities New York - MerrickNY2902840 · CWS · Population served: 135,000
• Mvwa - Mohawk Valley Water AuthorityNY3202411 · CWS · Population served: 126,250
• Wa of Western NassauNY2902830 · CWS · Population served: 120,000
• Town of Hempstead Water DepartmentNY2900000 · CWS · Population served: 110,000
• Albany CityNY0100189 · CWS · Population served: 98,000
• Ecwa AmherstNY1400399 · CWS · Population served: 92,697
• Greenburgh Consolidated Wd #1NY5903429 · CWS · Population served: 86,624
• Latham Water DistrictNY0100198 · CWS · Population served: 85,590
• South Huntington Water DistrictNY5103263 · CWS · Population served: 81,760
• Mount Vernon Water DepartmentNY5903441 · CWS · Population served: 73,893
• Tonawanda, Town Water Dept.NY1404556 · CWS · Population served: 72,571
• Schenectady City Water WorksNY4600070 · CWS · Population served: 61,821
• Westchester Joint Water WorksNY5903435 · CWS · Population served: 59,629
• White Plains CityNY5903464 · CWS · Population served: 59,559
• Jericho WdNY2902831 · CWS · Population served: 58,000
• Veolia Water New York, Inc. Rd-2NY5903456 · CWS · Population served: 57,301
• Hempstead (V)NY2902827 · CWS · Population served: 56,000
• Elmira Water BoardNY0701008 · CWS · Population served: 54,000
• Kiryas JoelNY3503627 · CWS · Population served: 51,623
• Troy City PWSNY4100050 · CWS · Population served: 51,401
• Niagara Falls Water BoardNY3100568 · CWS · Population served: 50,193
• Hicksville WdNY2902829 · CWS · Population served: 48,000
• City of BinghamtonNY0301651 · CWS · Population served: 47,600
• Jamestown BpuNY0600366 · CWS · Population served: 46,712
• Endicott Municipal Water WorksNY0301665 · CWS · Population served: 45,000
• Freeport (V)NY2902823 · CWS · Population served: 45,000
• South Farmingdale WdNY2902854 · CWS · Population served: 44,700
• Manhasset Lakeville WdNY2902836 · CWS · Population served: 43,000
• Massapequa WdNY2902837 · CWS · Population served: 43,000
• Poughkeepsie Townwide WdNY1302812 · CWS · Population served: 43,000
• Greenlawn Water DistrictNY5103271 · CWS · Population served: 42,000
• Yorktown Consold. Water Dist.#1NY5903469 · CWS · Population served: 36,000
• Clifton Park Water AuthorityNY4500175 · CWS · Population served: 35,000
• Long Beach CityNY2902834 · CWS · Population served: 35,000
• Riverhead Water DistrictNY5103705 · CWS · Population served: 35,000
• Dix Hills Water DistrictNY5103276 · CWS · Population served: 34,522
• Fort DrumNY2212214 · CWS · Population served: 34,000
• Plainview WdNY2902845 · CWS · Population served: 34,000
• Port Washington WdNY2912267 · CWS · Population served: 34,000
• Bethpage WdNY2902817 · CWS · Population served: 33,000
• West Hempstead WdNY2902857 · CWS · Population served: 32,031
• Rome CityNY3202405 · CWS · Population served: 31,795
• Cornell UniversityNY5417686 · CWS · Population served: 31,581
• North Tonawanda CityNY3100572 · CWS · Population served: 31,568
• Wa of Great Neck NorthNY2902841 · CWS · Population served: 31,400
• Bethlehem Wd No 1NY0100191 · CWS · Population served: 31,000
• Poughkeepsie CityNY1330291 · CWS · Population served: 30,639
• Guilderland Town WdNY0100205 · CWS · Population served: 30,000
• Middletown CityNY3503534 · CWS · Population served: 30,000
• Ossining Water DepartmentNY5903451 · CWS · Population served: 30,000
• Ithaca CityNY5404416 · CWS · Population served: 29,457
• Oswego CityNY3704361 · CWS · Population served: 29,400
• Ecwa LancasterNY1400421 · CWS · Population served: 29,018
• Newburgh CityNY3503549 · CWS · Population served: 29,000
• Cortlandt Consolidated WdNY5903423 · CWS · Population served: 28,369
• Glen Cove CityNY2902826 · CWS · Population served: 28,000
• Rotterdam Wd #5NY4600069 · CWS · Population served: 28,000
• Watertown CityNY2202346 · CWS · Population served: 27,861
• AuburnNY0501710 · CWS · Population served: 27,179
• Saratoga Springs CityNY4500168 · CWS · Population served: 26,525
• Brockport VillageNY2701039 · CWS · Population served: 25,918
• New Windsor Consolidated WdNY3503580 · CWS · Population served: 25,667
• Rockville Centre (V)NY2902848 · CWS · Population served: 24,700
• Ecwa Orchard ParkNY1421762 · CWS · Population served: 24,582
• Peekskill CityNY5903452 · CWS · Population served: 24,272
• Palmyra-Macedon-Walworth CsaNY5801257 · CWS · Population served: 24,267
• Plattsburgh CityNY0900217 · CWS · Population served: 24,173
• Kingston (CITY) Water DistrictNY5503374 · CWS · Population served: 24,000
• Ecwa West SenecaNY1404543 · CWS · Population served: 23,557
• Garden City (V)NY2902824 · CWS · Population served: 23,272
• Niskayuna Consolidated Wd #11NY4600073 · CWS · Population served: 22,287
• Newburgh Consolidated WdNY3503578 · CWS · Population served: 22,282
• Vestal Consolidated W.D. #1NY0301674 · CWS · Population served: 22,200
• Scarsdale Water DepartmentNY5903457 · CWS · Population served: 21,649
• Queensbury Water DistrictNY5600114 · CWS · Population served: 21,200
• Lockport City WtpNY3100564 · CWS · Population served: 21,165
• Lockport Town WdsNY3100563 · CWS · Population served: 21,105
• Amsterdam (C)NY2800136 · CWS · Population served: 20,700
• Mineola (V)NY2902839 · CWS · Population served: 20,600
• Westbury WdNY2902856 · CWS · Population served: 20,500
• Cortland (C)NY1101754 · CWS · Population served: 20,095
• Franklin Square WdNY2902822 · CWS · Population served: 20,000
• Smithtown Water DistrictNY5105656 · CWS · Population served: 19,635
• Grand Island Town Water Dept.NY1400451 · CWS · Population served: 19,500
• Wallkill Consolidated WdNY3503584 · CWS · Population served: 18,450
• Cohoes CityNY0100192 · CWS · Population served: 18,447
• Wheatfield WdNY3100585 · CWS · Population served: 18,117
• Garden City Park WdNY2902825 · CWS · Population served: 18,000