EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

Westchester, New York

Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems30active CWS · pop. 2,500+
Population served979,793reported total; may overlap
Current violation flag6.7%2 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Westchester

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
Yonkers CityNY5903465211,569Surface water purchasedNo current violation flagged
Veolia Water New York, Inc. Rd-1NY5903444146,732Surface water purchasedNo current violation flagged
Greenburgh Consolidated Wd #1NY590342986,624Surface water purchasedNo current violation flagged
Mount Vernon Water DepartmentNY590344173,893Surface water purchasedNo current violation flagged
Westchester Joint Water WorksNY590343559,629Surface waterCurrent health-based flag
White Plains CityNY590346459,559Surface water purchasedNo current violation flagged
Veolia Water New York, Inc. Rd-2NY590345657,301Surface water purchasedNo current violation flagged
Yorktown Consold. Water Dist.#1NY590346936,000Surface water purchasedNo current violation flagged
Ossining Water DepartmentNY590345130,000Surface waterNo current violation flagged
Cortlandt Consolidated WdNY590342328,369Surface water purchasedNo current violation flagged
Peekskill CityNY590345224,272Surface waterNo current violation flagged
Scarsdale Water DepartmentNY590345721,649Surface water purchasedNo current violation flagged
Kensico Water DistrictNY593008217,917Surface water purchasedNo current violation flagged
New Castle/Stanwood W.D.NY590344217,116Surface water purchasedNo current violation flagged
Mount Kisco Water DepartmentNY590343711,187Surface waterNo current violation flagged
Tarrytown Water SupplyNY590346111,000Surface water purchasedNo current violation flagged
Sleepy Hollow (Village)NY59034509,870Surface water purchasedNo current violation flagged
Pleasantville Water DistrictNY59034559,550Surface water purchasedNo current violation flagged
Briarcliff Manor VillageNY59034209,190Surface water purchasedNo current violation flagged
Bedford Consolidated W.D.NY59034199,056Surface water purchasedNo current violation flagged
Croton On Hudson VillageNY59034258,000Ground waterCurrent monitoring/reporting flag
Irvington Water SupplyNY59034326,631Surface water purchasedNo current violation flagged
Larchmont VillageNY59034336,485Surface water purchasedNo current violation flagged
Westchester County Wd #3NY59034826,000Surface water purchasedNo current violation flagged
Elmsford VillageNY59034275,293Surface water purchasedNo current violation flagged
Heritage Hills Water SystemNY59172214,700Ground waterNo current violation flagged
Somers Consolidated Water District #1NY59034263,848Surface water purchasedNo current violation flagged
Montrose Improvement DistrictNY59034363,100Surface water purchasedNo current violation flagged
Pace UniversityNY59076782,753Surface water purchasedNo current violation flagged
North Castle Water District #1NY59034452,500Surface water purchasedNo current violation flagged

02 / SOURCE MIX

Surface water purchased24 systems · 842,005 served
Surface water4 systems · 125,088 served
Ground water2 systems · 12,700 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.