Washington County, PA
The federal environmental record for Washington County (population 210,383): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
5
federal cleanup sites
0
PFAS-detecting water systems
25
TRI facilities
37
open tank releases
Drinking water: PFAS testing
No public water system serving Washington reported a PFAS detection in the UCMR5 national testing round. Systems serving under 3,300 people were only sampled in part, so absence from this table is not proof of absence in the water.
Facilities reporting toxic releases (2024)
25 facilities in Washington filed TRI reports for 2024, totalling 513k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| JESSOP STEEL LLC | WASHINGTON | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Nickel And Nickel Compounds | 167k lb |
| DYNAMET INC | WASHINGTON | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid | 103k lb |
| TECH MET INC | DONORA | Nitric acid, Hydrogen fluoride | 74k lb |
| UNION ELECTRIC STEEL CORP | BURGETTSTOWN | Manganese, Chromium | 49k lb |
| FLEXSYS AMERICA LP | MONONGAHELA | Carbon disulfide, 1,2,4-Trimethylbenzene | 45k lb |
| THERM-O-ROCK EAST INC | DONORA | Aluminum (fume or dust), Manganese | 13k lb |
| BAILEY/ENLOW FORK MINING COMPL EX | WEST FINLEY | Methanol | 13k lb |
| RITCHEY METALS CO INC | CANONSBURG | Aluminum (fume or dust), Zinc (fume or dust) | 10k lb |
| MULTI-CHEM GROUP WASHINGTON PA FACILITY | WASHINGTON | Methanol, Ethylene glycol | 7k lb |
| PENNSYLVANIA TRANSFORMER TECHNOLOGY LLC | CANONSBURG | Nickel And Nickel Compounds, Manganese And Manganese Compounds | 6k lb |
| HARMON CREEK GAS PLANT | BULGER | n-Hexane | 6k lb |
| PLEIGER PLASTICS CO | WASHINGTON | Diisocyanates | 6k lb |
| MILLER CENTRIFUGAL CASTING CO | MC DONALD | Copper, Manganese | 4k lb |
| HOUSTON GAS PLANT | WASHINGTON | n-Hexane, Benzene | 3k lb |
| ETC NORTHEAST PIPELINE LLC REVOLUTION CRYOGENIC PLANT | BULGER | n-Hexane, Benzene | 2k lb |
| LANGELOTH METALLURGICAL CO | LANGELOTH | Molybdenum trioxide, Nickel And Nickel Compounds | 2k lb |
| AIRGAS SPECIALTY PRODUCTS - DONORA PA | DONORA | Ammonia | 1k lb |
| ALL-CLAD METALCRAFTERS LLC | CANONSBURG | Nickel, Manganese | 1k lb |
| REAXIS INC | MC DONALD | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 926 lb |
| NATIONAL POLYMERS INC. | CHARLEROI | Xylene (mixed isomers) | 323 lb |
| PPC LUBRICANTS LLC | WASHINGTON | Methanol, Ethylene glycol | 283 lb |
| AMETEK SPECIALTY METAL PRODUCTS | EIGHTY FOUR | Chromium, Nickel | 66 lb |
| X-MARK/BELDEN | WASHINGTON | Manganese And Manganese Compounds | 2 lb |
| LANXESS CORP | BURGETTSTOWN | - | 0 lb |
| INCAP CORP US | COAL CENTER | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 600 tank facilities in Washington: 301 tanks in service and 1,449 closed. 388 fuel releases are on record, of which 37 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Washington as Zone 2, moderate predicted indoor radon (2 to 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 Washington, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- LANGELOTH METALLURGICAL COLANGELOTH
- MARCUS-PAULSEN SITEDENBO
- MASTIC GAS STATIONMIDWAY
- MAYS/BOLOGNAJEFFERSON TWP
- VERMICULITE TOR1NEW EAGLE