Mahoning County, OH
The federal environmental record for Mahoning County (population 225,596): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
12
federal cleanup sites
4
PFAS-detecting water systems
19
TRI facilities
40
open tank releases
Drinking water: PFAS testing
Public water systems serving Mahoning 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 |
|---|---|---|
| CANFIELD CITY PWS OH5000503 | PFOS: 12.4 ng/L PFBA: 5.6 ng/L PFHxS: 5.3 ng/L | above final limit |
| YOUNGSTOWN CITY PWS OH5002303 | PFOS: 19.3 ng/L PFHxS: 7.5 ng/L | above final limit |
| JACKSON/MILTON METRO WATER DISTRICT PWS OH5054212 | PFOS: 8.5 ng/L PFBA: 7.3 ng/L PFOA: 4.9 ng/L | above final limit |
| AQUA OHIO - STRUTHERS OH5001611 | PFBA: 8.9 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
19 facilities in Mahoning filed TRI reports for 2024, totalling 177k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| ASTRO SHAPES LLC | STRUTHERS | Xylene (mixed isomers), Certain glycol ethers | 53k lb |
| DATCO MANUFACTURING LLC | BOARDMAN | 1,2,4-Trimethylbenzene, Xylene (mixed isomers) | 41k lb |
| WHITACRE GREER CO | ALLIANCE | Hydrogen fluoride, Manganese compounds | 20k lb |
| VALLOUREC STAR LP | YOUNGSTOWN | Zinc compounds, Manganese And Manganese Compounds | 20k lb |
| MATERIAL SCIENCES CORP - CANFIELD | CANFIELD | Zinc compounds, Xylene (mixed isomers) | 18k lb |
| TRIVIUM ALUMINUM PACKAGING CORP. USA | YOUNGSTOWN | Certain glycol ethers, Xylene (mixed isomers) | 15k lb |
| VIASYSTEMS TECHNOLOGIES CORPLLC | NORTH JACKSON | Copper, Lead And Lead Compounds | 3k lb |
| SPECTRUM METAL FINISHING | YOUNGSTOWN | Xylene (mixed isomers), Certain glycol ethers | 2k lb |
| MPLX TERMINALS LLC - YOUNGSTOWN OH TERMINAL | YOUNGSTOWN | n-Hexane, Toluene | 2k lb |
| SR PRODUCTS | STRUTHERS | 1,2,4-Trimethylbenzene, Ethylene glycol | 1k lb |
| ENVIRONMENTAL SPECIALISTS INC. | YOUNGSTOWN | Methanol | 727 lb |
| XALOY LLC | YOUNGSTOWN | Nickel | 265 lb |
| VACUFORM INC. | SEBRING | Aluminum oxide (fibrous forms) | 250 lb |
| VALLOUREC STAR LP | YOUNGSTOWN | Manganese, Lead | 90 lb |
| COMMERCIAL METAL FORMING | YOUNGSTOWN | Manganese, Nickel | 44 lb |
| YOUNGSTOWN HARD CHROME PLATING & GRINDING INC. | YOUNGSTOWN | Lead compounds | 20 lb |
| NORTH JACKSON SPECIALTY STEEL LLC. | NORTH JACKSON | Chromium, Nickel | 4 lb |
| QC LLC | NORTH LIMA | - | 0 lb |
| CRAFCO INC. - YOUNGSTOWN | YOUNGSTOWN | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 530 tank facilities in Mahoning: 419 tanks in service and 1,217 closed. 753 fuel releases are on record, of which 40 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Mahoning 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 Mahoning, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- BOOKER STREET PAINTCAMPBELL
- CENTURY 21 PAINT, INCORPORATIONAUSTINTOWN
- G.F. FURNITUREYOUNGSTOWN
- HAMPTON SITECAMPBELL
- LIBERTY AUTO WRECKINGYOUNGSTOWN
- MAHONING RIVER OIL SPILLLOWELLVILLE
- NEASE CHEMICAL SITESALEM
- REPUBLIC HOSE MFGYOUNGSTOWN
- SEBRING INDUSTRIAL PLATINGSEBRING
- US ARMY RESERVE CENTERYOUNGSTOWN
- YOUNGSTOWN HARD CHROME AND GRINDING, INCBOARDMAN
- YOUNGSTOWN NAVAL RESERVE CENTERYOUNGSTOWN