Pollution in Westchester County, New York

Westchester County contains 369 EPA-regulated facilities, 27 of which are currently flagged for significant noncompliance. The county also hosts 1 Superfund sites and 15 TRI chemical reporters. EPA has assessed $19.1M in lifetime penalties and TRI reporters disclosed roughly 12.7k lb of on-site releases. That facility count is well above the New York state average of 97 per county.

Superfund1NPL sites
TRI Facilities15reporters
EPA Facilities369regulated
Sig. Violators27current SNC

Superfund sites

SiteCityStatus
Magna MetalsCortlandt ManorListed on NPL

Largest releasers

FacilityCityOn-site (lb)Status
U.s. Army National Guard Camp Smith Training Site RangesCortlandt Manor8.3kCompliant
Basf CorpPeekskill3.8kCompliant
Electronic Devices IncYonkers510Compliant
Metallized Carbon CoOssining53Compliant
Graphite Metallizing CorpYonkers21Penalties
Absolute Coatings IncNew Rochelle10Compliant
Lafarge North America Inc - BuchananBuchanan7Penalties
Elcan Industries IncTuckahoe3Compliant
Medi-Ray IncTuckahoe2Compliant

Significant violators

FacilityCityPenaltiesLast Inspected
Mount Vernon Ms4 Storm SewersMt Vernon$200.0k2025-03-07
Polychron Marina Co IncNew Rochelle$9.8k2025-03-13
Random Farms AssociationChappaqua$3.9k2021-12-09
Kimber Mfg., Inc.Yonkers$1.3k2016-03-08
Yorktown Ms4 Storm SewersYorktown$02013-03-18
Rye(C) Sanitary SewersRye$0
Katonah -Lewisboro Ufsd #1Katonah$0
Yorktown Csd Ms4 Storm SewersYorktown Heights$0
Readyrefresh YorktownCortlandt, Town Of$0
Mount Vernon Dpw, City YardMount Vernon$02023-09-22
Meenan Oil Co. Lp - BurkeHawthorne$02023-07-03
All About RecyclingYonkers$0
Rtg Transfer StationBedford Hills$0
Harvey School-Water Treatment Plant (Middle School)Katonah$0
Pelham Ms4 Storm SewersPelham$02013-02-15
Pound Ridge Ms4 Storm SewersPound Ridge$02020-05-20
Meenan Oil CoPeekskill$02023-06-30
Croton Harmon SchoolsCroton-On-Hudson$0
Farrand Controls DivisionValhalla$02011-09-01
Bedford Hills Correctional FacilityBedford Hills$02023-11-16
Rb Scrap Iron & Metal, Inc.Yonkers$0
Harrison (T) - Sanitary Sewer Collection System (Blind Brook)Harrison, Town Of$0
Metro Green, LlcMount Vernon$02019-11-22
Brockway Place Transfer StationWhite Plains$02025-06-10
Rock Cut Mart Inc.$02016-09-06
Paradise Energy Inc.Ossining$02023-08-03
Empress Ambulance Service, LlcYonkers$0