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DeutschAddress report

States / New Jersey

Mercer County, NJ

The federal environmental record for Mercer County (population 381,671): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.

1

Superfund NPL sites

35

federal cleanup sites

4

PFAS-detecting water systems

8

TRI facilities

204

open tank releases

Superfund NPL sites

SiteCityStatusListed
Historic PotteriesTrentonon the NPL07/03/2025

Drinking water: PFAS testing

Public water systems serving Mercer with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.

SystemHighest resultsReading
AQUA NJ - HAMILTON SQUARE

NJ1103001

PFOA: 11.6 ng/L

PFOS: 11.4 ng/L

PFHxS: 10.4 ng/L

above final limit
BEAR TAVERN SCHOOL

NJ1106316

PFOS: 38.1 ng/L

PFBA: 15 ng/L

PFOA: 14.7 ng/L

above final limit
PENNINGTON SHOP-RITE

NJ1106319

PFHxA: 15.8 ng/L

PFPeA: 13.5 ng/L

PFOA: 7.9 ng/L

above final limit
AQUA NJ - LAWRENCE

NJ1107002

PFOA: 8.1 ng/L

PFBA: 5.5 ng/L

PFBS: 4.9 ng/L

above final limit

On a system with detections? Testing and treatment options

Facilities reporting toxic releases (2024)

8 facilities in Mercer filed TRI reports for 2024, totalling 43k lb released.

FacilityCityTop chemicalsTotal released
PFLAUMER BROTHERS INCTRENTONDiisocyanates40k lb
E R SQUIBB & SONS LLCPRINCETONAmmonia1k lb
B-WAY PACKAGING INCTRENTONCertain glycol ethers, Methyl isobutyl ketone1k lb
HOVIONE NJ FACILITY EXPANSIONHIGHTSTOWNAcetonitrile, Dichloromethane678 lb
ROLLER BEARING CO. OF AMERICAWEST TRENTONChromium95 lb
R.E. CARROLL INC.TRENTON-0 lb
TRANE COTRENTONNickel, Chromium0 lb
ANDREA AROMATICS INCTRENTON-0 lb

Underground fuel tanks

EPA's UST Finder records 983 tank facilities in Mercer: 537 tanks in service and 3,385 closed. 733 fuel releases are on record, of which 204 remain open. Open releases are cleanups that have not reached "no further action".

Radon

EPA maps Mercer as Zone 1, the highest predicted indoor radon levels (over 4 pCi/L average). Radon and air quality are covered in depth on lung.com.

The record for one specific address

County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.

Get the report - $39

All federal cleanup sites on file

The wider Superfund enterprise inventory (SEMS) for Mercer, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.

  • 39-49 TUCKER STREET AMMONIA RELEASETRENTON
  • ANTON'S DRY CLEANERS & LAUNDROMATHAMILTON
  • CLARKSON S. FISHER U.S. COURTHOUSETRENTON
  • CONGOLEUM CORP - PLANT 1TRENTON
  • DAVID SARNOFF RESEARCH CENTERPRINCETON
  • DUCK ISLAND SANITARY LFHAMILTON TWP
  • E.J. KOENIG, INC.TRENTON
  • EQUITABLE METER COHOPEWELL
  • GENERAL ELECTRIC CO ASTROEAST WINDSOR
  • GEORGIA PACIFIC CORPORATIONPENNSAUKEN
  • GOULD BATTERY CORPTRENTON
  • HIGHTSTOWN HIGH SCHOOLHIGHTSTOWN
  • HISTORIC POTTERIESTRENTON
  • HYDROCARBON RESEARCH INCLAWRENCEVILLE
  • INDEPENDENCE CLEANERSHAMILTON
  • KENNY'S CLEANERSTRENTON
  • L.H. MITCHELL CO.TRENTON
  • MAGIC MARKER - SITE 2TRENTON
  • MAGIC MARKER INCTRENTON
  • MG WILLIAM S. STRYKER US ARMY RESERVE CENTERTRENTON
  • MILLSTONE ROAD SITEW. WINDSOR
  • NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION@JBMDL LAKEHURSTTRENTON
  • NEW LOUS CLEANERSTRENTON
  • NEW METHOD CLEANERS, INC.TRENTON
  • PHELPS PETROLEUMWINDSOR
  • PRINCETON FARMS GROUNDWATER CONTAMINATIONHOPEWELL TWP
  • PRINCETON PLASMA PHYSICS LABORATORYPRINCETON
  • QUICK JUNK CAR REMOVALTRENTON
  • SATURN CHEMICAL INCTRENTON
  • TRENTON CITY VACANT BUILDINGTRENTON
  • UNION FIRE CO & RESCUE SQUADTITUSVILLE
  • USEPA REGION II-FRICTION DIVISION PRODUCTSTRENTON
  • WESTERN ELECTRICHOPEWELL TWP
  • WR GRACE OFFSITEHAMILTON
  • WR GRACE OFFSITEHAMILTON