Tap Truth EPA drinking water records, in plain English

County drinking water records

Westchester County, NY drinking water systems

75 community water systems serve Westchester County, NY, reporting 952,048 people served in all. A system that also serves other counties counts all of its customers here.

19 of them (25%) had at least one health-based violation in the last 10 years. 5 systems still have one unresolved.

34 rely mainly on groundwater and 41 on surface water, counting water bought from other systems.

73 systems filed a lead service line inventory listing 15,783 lead lines, 433 galvanized lines that must be replaced and 76,437 lines of unknown material.

18 more systems are placed in Westchester County, NY by the county their records name because they have no service area map that lines up with their own records, so they are listed apart and not counted here.

Community water systems
75
People served, sum of each system's own figure
952,048
Systems with a health-based violation, last 10 years
19
Systems with one unresolved
5
Lead service lines in inventories
15,783

Water systems serving Westchester County

75 systems

People served is each system's own figure for its whole service area. Violation counts cover the last 10 years of EPA records.

System Serves People served Main source Health-based violations, 10 years Unresolved Lead lines
Yonkers City Yonkers 211,569 Purchased surface water 0 0 65
Veolia Water New York, Inc. Rd-1 New Rochelle, Eastchester and 7 more 146,732 Purchased surface water 0 0 8,008
Mount Vernon Water Department Mount Vernon 73,893 Purchased surface water 0 0 5,144
Westchester Joint Water Works Harrison, Mamaroneck and 1 more 59,629 Surface water 5 0 635
White Plains City White Plains 59,559 Purchased surface water 0 0 0
Veolia Water New York, Inc. Rd-2 Rye, Rye Brook and 1 more 57,301 Purchased surface water 0 0 922
Greenburgh Consolidated WD #1 Greenville, Hartsdale and 1 more and land outside them 39,993 Purchased surface water 1 0 2
Yorktown Consold. Water DIST.#1 Jefferson Valley-Yorktown, Lake Mohegan and 3 more 36,000 Purchased surface water 4 1 No inventory
Ossining Water Department Ossining 30,000 Surface water 0 0 298
Cortlandt Consolidated WD Crugers and land outside it 28,369 Purchased surface water 0 0 0
Peekskill City Peekskill 24,272 Surface water 0 0 8
Scarsdale Water Department Scarsdale 21,649 Purchased surface water 0 0 76
Kensico Water District Thornwood, Hawthorne and 1 more and land outside them 17,917 Purchased surface water 6 0 2
New Castle/Stanwood W.D. Chappaqua and Millwood and land outside them 17,116 Purchased surface water 0 0 2
Mount Kisco Water Department Mount Kisco 11,187 Surface water 1 0 2
Tarrytown Water Supply Tarrytown 11,000 Purchased surface water 3 0 176
Sleepy Hollow (Village) Sleepy Hollow 9,870 Purchased surface water 0 0 0
Pleasantville Water District Pleasantville 9,550 Purchased surface water 0 0 28
Briarcliff Manor Village Briarcliff Manor 9,190 Purchased surface water 0 0 0
Bedford Consolidated W.D. Bedford Hills and Katonah 9,056 Purchased surface water 0 0 0
Croton on Hudson Village Croton-on-Hudson 8,000 Groundwater 0 1 0
Irvington Water Supply Irvington 6,631 Purchased surface water 0 0 8
Larchmont Village Larchmont 6,485 Purchased surface water 0 0 403
Westchester County WD #3 Outside cities and towns 6,000 Purchased surface water 2 0 0
Elmsford Village Elmsford 5,293 Purchased surface water 0 0 3
Heritage Hills Water System Heritage Hills 4,700 Groundwater 0 0 0
Somers Consolidated Water District #1 Mahopac and Lincolndale 3,848 Purchased surface water 0 0 0
Pace University Outside cities and towns 2,753 Purchased surface water 0 0 0
North Castle Water District #1 Outside cities and towns 2,500 Purchased surface water 0 0 0
Buchanan Village Montrose and Buchanan 2,200 Purchased surface water 0 0 0
Old Farm Hill Water District Outside cities and towns 1,768 Purchased surface water 3 0 0
Continental Village WD Outside cities and towns 1,509 Purchased surface water 0 0 0
Old Post Road Water District Outside cities and towns 1,500 Purchased groundwater 0 0 0
North Castle Water District #4 Armonk 1,225 Groundwater 0 0 0
North Castle Water District #2 Outside cities and towns 1,200 Groundwater 0 0 0
Greenbriar Subdivision Outside cities and towns 956 Groundwater 0 2 0
Oakridge Water District Outside cities and towns 892 Groundwater 3 0 0
Wild Oaks Water Company Outside cities and towns 805 Groundwater under direct influence 0 0 0
Khal Adas Kashau Outside cities and towns 650 Groundwater 0 0 0
Meadows at Cross River Outside cities and towns 630 Groundwater under direct influence 0 0 0
Sunset Ridge Water District Outside cities and towns 625 Groundwater 0 0 0
Harvey School Outside cities and towns 510 Groundwater 0 0 0
Lincoln Hall School Outside cities and towns 500 Groundwater 0 0 0
Dykeer Water Co. Lincolndale 480 Groundwater under direct influence 0 0 0
Truesdale Corporation Outside cities and towns 400 Groundwater 0 0 0
Four Winds Hospital Outside cities and towns 400 Groundwater 0 0 0
Twin Lakes Water Co., Inc. Outside cities and towns 366 Groundwater 0 0 0
Lake Katonah Club Inc Outside cities and towns 356 Groundwater 0 0 0
Michelle Estates Golden's Bridge and land outside it 340 Groundwater 0 0 0
Pietschs Gardens Peach Lake 337 Groundwater under direct influence 0 0 0
Pocantico Hills Water District Outside cities and towns 329 Surface water 9 0 0
Indian Hill Subdivision Outside cities and towns 320 Groundwater 7 0 0
Yeshiva Farm Settlement Outside cities and towns 300 Groundwater under direct influence 0 4 0
The Farms Water District Outside cities and towns 300 Groundwater 0 0 0
Bloomerside Water Supply Peach Lake 300 Groundwater 0 0 0
Goldens Bridge Community Assoc Golden's Bridge 250 Groundwater 0 4 1
North Castle Water District #5 Armonk 225 Purchased groundwater 0 0 0
Somers Chase Water Works Corp Outside cities and towns 224 Groundwater 0 0 0
Croton Falls Water District Outside cities and towns 216 Groundwater under direct influence 1 0 0
Cale Farms Water Works Outside cities and towns 212 Groundwater 0 0 0
Cedar Downs Water District Outside cities and towns 195 Groundwater 0 0 0
Arbor Hills Water Works Outside cities and towns 180 Groundwater 0 0 0
Salem Chase Outside cities and towns 175 Groundwater 0 0 0
Hunt Farm Water Company Outside cities and towns 156 Groundwater 2 0 0
Kitchawan Water District Outside cities and towns 150 Purchased surface water 0 0 0
Cotswold Water Supply Outside cities and towns 150 Groundwater 2 0 0
Salem Acres Assoc Outside cities and towns 138 Groundwater 1 0 0
Sunshine Childrens Home & Rehab Center Outside cities and towns 130 Groundwater under direct influence 2 0 0
Candlewood Park Water District Outside cities and towns 125 Groundwater 0 0 0
Ramleh Water Works Corp. Inc. Mount Kisco and land outside it 80 Groundwater 0 0 0
Forest Park Water Co Plant #3 Outside cities and towns 67 Groundwater 1 0 0
Juengstville Farm Association Outside cities and towns 45 Groundwater 0 0 0
Bedford Golf and Tennis Club Bedford 44 Groundwater under direct influence 0 0 0
Waccabuc Farms Inc. Outside cities and towns 26 Groundwater 1 0 0
Westchester County WD #1 New Rochelle Not reported Surface water 2 0 No inventory

Systems placed by county record in Westchester County

18 systems

EPA has no service area map for these systems. They are placed by the county their records name (the counties EPA lists them serving, or the county coded in their IDs where EPA lists none), and without a map they are not counted in the figures above.

System Serves People served Main source Health-based violations, 10 years Unresolved Lead lines
Montrose Improvement District County on record 3,100 Purchased surface water 0 0 0
Bear Ridge Lake Water District County on record 518 Purchased surface water 0 0 0
The Paramount at Somers Rehab Center County on record 400 Groundwater under direct influence 0 0 0
Pabst Water District County on record 253 Groundwater 1 0 0
Bridleside Apartments County on record 230 Groundwater 0 0 0
Applehill Farm Water District County on record 209 Purchased surface water 0 0 0
Lewisboro Commons County on record 168 Groundwater under direct influence 0 0 0
Yeshiva Kehileth Yakov County on record 150 Groundwater 0 0 0
Keeler Field County on record 100 Groundwater 0 0 0
Pleasant Ridge Water District County on record 95 Purchased surface water 0 0 0
Meadowbrook Water District County on record 91 Purchased surface water 0 0 0
Mill River Water District County on record 74 Purchased surface water 0 0 0
Pleasantville Road Water District County on record 56 Purchased surface water 0 0 0
Pleasantville Extension #1 County on record 49 Purchased surface water 0 0 0
796 Bedford Road Apartments County on record 40 Groundwater 1 0 0
Saint Nersess Armenian Seminary County on record 32 Groundwater 0 0 0
Westchester County WD #2 County on record Not reported Surface water 0 0 No inventory
Northern Westchester Joint Water Works County on record Not reported Purchased surface water 0 0 No inventory

Cities and towns in Westchester County

52 places

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Counties come from the counties EPA lists each system serving, matched to 2024 Census counties; where EPA lists none, from the county coded in the system's ID, its service area map, or its mailing address. A county holding at least a fifth of a system's service area map is added when at least a fifth of that map lies in those counties. Towns are the ones EPA lists and the Census places such a map covers, always inside those counties. In New England, where EPA's town names a whole Town, it is not matched to the village of the same name. A system is not listed in a county holding less than a fifth of its map, or in a county or town its map reaches when the map lies mostly outside the counties EPA lists, so a page can leave out a system that serves part of the area. Methodology and limitations