Monmouth County, NJ
The federal environmental record for Monmouth County (population 642,799): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
11
Superfund NPL sites
33
federal cleanup sites
17
PFAS-detecting water systems
12
TRI facilities
354
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Bog Creek Farm | Howell Township | on the NPL | 09/08/1983 |
| Friedman Property | Upper Freehold Township | deleted | 09/08/1983 |
| Imperial Oil Co., Inc./Champion Chemicals | Morganville | on the NPL | 09/08/1983 |
| Lone Pine Landfill | Freehold Township | on the NPL | 09/08/1983 |
| M&T Delisa Landfill | Asbury Park | deleted | 09/08/1983 |
| Monitor Devices, Inc./Intercircuits, Inc. | Wall Township | on the NPL | 06/10/1986 |
| Naval Weapons Station Earle (Site A) | Colts Neck | on the NPL | 08/30/1990 |
| Waldick Aerospace Devices, Inc. | Wall Township | on the NPL | 06/10/1986 |
| White Swan Cleaners/Sun Cleaners Area Ground Water Contamination | Wall Township | on the NPL | 09/23/2004 |
| Wilson Farm | Plumstead Township | deleted | 09/21/1984 |
| Zschiegner Refining | Howell Township | on the NPL | 03/06/1998 |
Drinking water: PFAS testing
Public water systems serving Monmouth 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.
| System | Highest results | Reading |
|---|---|---|
| AVON BY THE SEA WATER DE NJ1305001 | PFOA: 6.7 ng/L PFOS: 5.1 ng/L PFHxA: 4.2 ng/L | above final limit |
| BELMAR WATER DEPT NJ1306001 | PFOA: 4.3 ng/L PFPeA: 3.7 ng/L PFHxA: 3.2 ng/L | above final limit |
| BRIELLE WATER DEPT NJ1308001 | PFOA: 4.5 ng/L | above final limit |
| ENGLISHTOWN WATER DEPT NJ1312001 | PFHxA: 6.4 ng/L PFPeA: 5.6 ng/L PFOA: 5.4 ng/L | above final limit |
| FREEHOLD TWP WATER DEPT NJ1316001 | PFBA: 8.9 ng/L PFOA: 7.9 ng/L PFHxA: 7.2 ng/L | above final limit |
| KEANSBURG WATER & SEWER DEPT. NJ1321001 | PFOA: 8.3 ng/L PFHxA: 4.1 ng/L PFPeA: 4 ng/L | above final limit |
| KEYPORT WATER DEPT NJ1322001 | PFOA: 7.3 ng/L PFHxA: 4.7 ng/L PFPeA: 4.3 ng/L | above final limit |
| GORDONS CORNER WATER CO NJ1326001 | PFHxA: 11.4 ng/L PFOA: 8.2 ng/L PFPeA: 4.9 ng/L | above final limit |
| SUEZ WATER MANALAPAN KNOB HILL NJ1326002 | PFHxA: 8.5 ng/L PFOA: 7.8 ng/L PFBA: 7.6 ng/L | above final limit |
| MARLBORO TOWNSHIP WATER UTILITY DIVISION NJ1328002 | PFOA: 6.5 ng/L PFPeA: 3.9 ng/L PFHxA: 3.5 ng/L | above final limit |
| MATAWAN BOROUGH WATER DE NJ1329001 | PFBA: 65 ng/L PFOA: 7.4 ng/L PFHxA: 4.6 ng/L | above final limit |
| NJ AMERICAN WATER - SHORELANDS NJ1339001 | PFOA: 6.5 ng/L PFHxA: 4.3 ng/L PFPeA: 4.3 ng/L | above final limit |
| RED BANK WATER DEPT NJ1340001 | PFOA: 6.6 ng/L PFHxA: 4.4 ng/L PFPeA: 4.2 ng/L | above final limit |
| NJ AMERICAN WATER - COASTAL NORTH NJ1345001 | PFBS: 9.2 ng/L PFOA: 7.5 ng/L 6:2 FTS: 6.8 ng/L | above final limit |
| BOROUGH OF SPRINGLAKE HEIGHTS NJ1349001 | PFOA: 6.8 ng/L PFOS: 4.8 ng/L PFPeA: 4.1 ng/L | above final limit |
| NJ AMERICAN WATER - UNION BEACH NJ1350001 | PFBA: 11.9 ng/L PFOA: 6.2 ng/L PFHxA: 4.7 ng/L | above final limit |
| WALL TWP WATER DEPT NJ1352003 | PFOA: 6.6 ng/L PFOS: 5 ng/L PFHxA: 3.9 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
12 facilities in Monmouth filed TRI reports for 2024, totalling 2k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| U.S. DOD NAVAL WEAPONS STATION EARLE | COLTS NECK | Lead | 1k lb |
| PRESTONE PRODUCTS CORP | FREEHOLD | Ethylene glycol, Methanol | 122 lb |
| ALLENTOWN LLC | ALLENTOWN | Chromium, Nickel | 45 lb |
| SILVI CONCRETE OF ENGLISHTOWN | MILLSTONE TOWNSHIP | Aluminum oxide (fibrous forms) | 1 lb |
| RALPH CLAYTON & SONS | FREEHOLD | - | 0 lb |
| COSMETIC ESSENCE DBA VOYANT BEAUTY | HOLMDEL | - | 0 lb |
| OLDCASTLE APG | FARMINGDALE | Lead And Lead Compounds | 0 lb |
| TDK-LAMBDA AMERICAS INC. | TINTON FALLS | - | 0 lb |
| APPLICAD INC | FARMINGDALE | - | 0 lb |
| RALPH CLAYTON & SONS | TINTON FALLS | - | 0 lb |
| INTERNATIONAL FLAVORS & FRAGRANCES INC | HAZLET | - | 0 lb |
| COOPER WHEELOCK INC | LONG BRANCH | Lead | 0 lb |
Underground fuel tanks
EPA's UST Finder records 1,632 tank facilities in Monmouth: 760 tanks in service and 5,312 closed. 1,136 fuel releases are on record, of which 354 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Monmouth 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 - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Monmouth, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- AT AND BELL LABORATORIESHOLMDEL
- BECKER PLATING INC.NEPTUNE
- BOG CREEK FARMHOWELL TOWNSHIP
- BURNT FLY BOGMARLBORO
- COMPOUNDERS INCFARMINGDALE
- EAST COAST ICE COMPANYNEPTUNE CITY
- ELECTRO IMPULSE LAB., INC.NEPTUNE TWP
- FREQUENCY ENGFARMINGDALE
- FRIEDMAN PROPERTYUPPER FREEHOLD TWP
- GATEWAY NATIONAL RECREATION AREA, SANDY HOOKHIGHLANDS
- GATEWAY NATIONAL RECREATIONAL AREASANDY HOOK
- GULF SERVICE STATION WALL TOWNSHIPWALL TWP
- IMPERIAL OIL CO., INC./CHAMPION CHEMICALSMORGANVILLE
- INTERNATIONAL FLAVORS & FRAGRANCES INC.UNION BEACH
- JAMES J HOWARD MARINE LABHIGHLANDS
- LONE PINE LANDFILLFREEHOLD TOWNSHIP
- M&T DELISA LANDFILLASBURY PARK
- MANASQUAN CLEANERSMANASQUAN
- METALLURGICAL INDTINTON FALLS
- MONITOR DEVICES, INC./INTERCIRCUITS, INC.WALL TOWNSHIP
- MONMOUTH COUNTY COURTHOUSEFREEHOLD
- NAVAL WEAPONS STATION EARLE (SITE A)COLTS NECK
- NESTLE COFREEHOLD
- NJ NATURAL GAS CO /LONG BRANCH GAS CONTLONG BRANCH
- NORTH AMERICAN PAINT CORPORATIONOCEAN
- REX LUMBER COMPANYENGLISHTOWN
- SUN CLEANERSWALL TWP.
- U S ARMY FT MONMOUTH MAIN POSTFORT MONMOUTH
- U S ARMY FT MONMOUTH MAIN POSTFORT MONMOUTH
- US COAST GUARD STATION SANDY HOOKHIGHLANDS
- WALDICK AEROSPACE DEVICES, INC.WALL
- WHITE SWAN LAUNDRY AND CLEANER INC.WALL
- ZSCHIEGNER REFINING COHOWELL