Westmoreland County, PA
The federal environmental record for Westmoreland County (population 352,057): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
3
federal cleanup sites
2
PFAS-detecting water systems
34
TRI facilities
41
open tank releases
Drinking water: PFAS testing
Public water systems serving Westmoreland 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 |
|---|---|---|
| HIGHRIDGE WATER AUTH PA5650069 | PFBA: 6 ng/L PFHxS: 5.5 ng/L PFOS: 4.5 ng/L | above final limit |
| DERRY BORO MUNI AUTH PA5650049 | PFBS: 15 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
34 facilities in Westmoreland filed TRI reports for 2024, totalling 2.6M lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| MAX ENVIRONMENTAL -- YUKON FACILITY | YUKON | Lead compounds, Manganese And Manganese Compounds | 1.1M lb |
| ATI FLAT ROLLED PRODUCTS HOLDINGS LLC | VANDERGRIFT | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1.1M lb |
| LATROBE SPECIALTY METALS | LATROBE | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Manganese And Manganese Compounds | 104k lb |
| CLEVELAND-CLIFFS MONESSEN COKE LLC | MONESSEN | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Ethylene | 88k lb |
| ATI FLAT ROLLED PRODUCTS LLC-LATROBE PLANT | LATROBE | Nickel And Nickel Compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 53k lb |
| WESTINGHOUSE ELECTRIC CO | BLAIRSVILLE | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Hydrogen fluoride | 43k lb |
| ALLEIMA PRECISION TUBE | SCOTTDALE | Trichloroethylene, Nickel | 24k lb |
| LEHIGH SPECIALTY MELTING INC | LATROBE | Manganese And Manganese Compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 20k lb |
| DNP IMAGINGCOMM AMERICA CORP | MOUNT PLEASANT | Toluene | 15k lb |
| DURA-BOND STEEL CORP | EXPORT | Xylene (mixed isomers), Manganese | 11k lb |
| DURALOY TECHNOLOGIES INC | SCOTTDALE | Nickel, Chromium | 8k lb |
| C-K COMPOSITES CO. LLC | MOUNT PLEASANT | Phenol | 7k lb |
| BRAEBURN ALLOY STEEL LLC | LOWER BURRELL | Cobalt, Manganese | 6k lb |
| RQ RESINS LLC | HARRISON CITY | sec-Butyl alcohol, Xylene (mixed isomers) | 6k lb |
| ARBCO INDUSTRIES INC | EXPORT | Phenol, Zinc compounds | 3k lb |
| CHESTNUT RIDGE FOAM INC | LATROBE | Zinc compounds, Antimony And Antimony Compounds | 2k lb |
| PIAD PRECISION CASTING CORP | GREENSBURG | Copper And Copper Compounds | 750 lb |
| CLEAVELAND/PRICE INC | TRAFFORD | Copper, Lead | 562 lb |
| KEYSTONE RUSTPROOFING INC. | NEW KENSINGTON | Nitric acid | 500 lb |
| OPTA - NEW KENSINGTON | NEW KENSINGTON | Manganese | 255 lb |
| OLD WORLD INDUSTRIES | NEW KENSINGTON | Ethylene glycol | 192 lb |
| POWEREX INC | YOUNGWOOD | Nitric acid | 152 lb |
| PACE INDUSTRIES LLC AIRO DIV | LOYALHANNA | Nickel, Copper | 70 lb |
| DORMONT MANUFACTURING CO | EXPORT | Chromium, Nickel | 55 lb |
| SURTECO N.A. INC. JEANNETTE PA PLANT | JEANNETTE | Barium And Barium Compounds, Zinc compounds | 55 lb |
Underground fuel tanks
EPA's UST Finder records 956 tank facilities in Westmoreland: 624 tanks in service and 2,366 closed. 619 fuel releases are on record, of which 41 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Westmoreland 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 Westmoreland, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- AMERICAN CYANAMIDLATROBE
- HUTCHINSON MINE PCB SITEHUTCHINSON
- MAX ENV TECH/YUKON FACYUKON