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States / Ohio

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.

SystemHighest resultsReading
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.

FacilityCityTop chemicalsTotal released
ASTRO SHAPES LLCSTRUTHERSXylene (mixed isomers), Certain glycol ethers53k lb
DATCO MANUFACTURING LLCBOARDMAN1,2,4-Trimethylbenzene, Xylene (mixed isomers)41k lb
WHITACRE GREER COALLIANCEHydrogen fluoride, Manganese compounds20k lb
VALLOUREC STAR LPYOUNGSTOWNZinc compounds, Manganese And Manganese Compounds20k lb
MATERIAL SCIENCES CORP - CANFIELDCANFIELDZinc compounds, Xylene (mixed isomers)18k lb
TRIVIUM ALUMINUM PACKAGING CORP. USAYOUNGSTOWNCertain glycol ethers, Xylene (mixed isomers)15k lb
VIASYSTEMS TECHNOLOGIES CORPLLCNORTH JACKSONCopper, Lead And Lead Compounds3k lb
SPECTRUM METAL FINISHINGYOUNGSTOWNXylene (mixed isomers), Certain glycol ethers2k lb
MPLX TERMINALS LLC - YOUNGSTOWN OH TERMINALYOUNGSTOWNn-Hexane, Toluene2k lb
SR PRODUCTSSTRUTHERS1,2,4-Trimethylbenzene, Ethylene glycol1k lb
ENVIRONMENTAL SPECIALISTS INC.YOUNGSTOWNMethanol727 lb
XALOY LLCYOUNGSTOWNNickel265 lb
VACUFORM INC.SEBRINGAluminum oxide (fibrous forms)250 lb
VALLOUREC STAR LPYOUNGSTOWNManganese, Lead90 lb
COMMERCIAL METAL FORMINGYOUNGSTOWNManganese, Nickel44 lb
YOUNGSTOWN HARD CHROME PLATING & GRINDING INC.YOUNGSTOWNLead compounds20 lb
NORTH JACKSON SPECIALTY STEEL LLC.NORTH JACKSONChromium, Nickel4 lb
QC LLCNORTH LIMA-0 lb
CRAFCO INC. - YOUNGSTOWNYOUNGSTOWN-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 - $39

All 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