Jefferson County, OH
The federal environmental record for Jefferson County (population 64,026): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
9
federal cleanup sites
4
PFAS-detecting water systems
4
TRI facilities
22
open tank releases
Drinking water: PFAS testing
Public water systems serving Jefferson 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 |
|---|---|---|
| JEFFERSON CO W AND S DISTRICT- A OH4100803 | PFBS: 3.4 ng/L PFHxS: 3.4 ng/L | detected |
| JEFFERSON CO W AND S DISTRICT - M OH4101103 | PFBS: 3.1 ng/L | detected |
| TORONTO PWS OH4102811 | PFBS: 3.5 ng/L PFPeA: 3.2 ng/L | detected |
| WINTERSVILLE VILLAGE PWS OH4103003 | PFBS: 3.3 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
4 facilities in Jefferson filed TRI reports for 2024, totalling 2.0M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| CARDINAL PLANT | BRILLIANT | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Barium And Barium Compounds | 1.9M lb |
| TITANIUM METALS CORP | TORONTO | Nitric acid, Aluminum (fume or dust) | 141k lb |
| BARIUM & CHEMICALS INC | STEUBENVILLE | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 39k lb |
| JSW STEEL USA OHIO INC. | MINGO JUNCTION | Zinc (fume or dust), Manganese And Manganese Compounds | 13k lb |
Underground fuel tanks
EPA's UST Finder records 222 tank facilities in Jefferson: 177 tanks in service and 504 closed. 251 fuel releases are on record, of which 22 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Jefferson 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 Jefferson, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- AMERICAN DRY CLEANERS-MINGO JUNCTIONMINGO JUNCTION
- BRILLIANT FLY ASH SLURRY DISCHARGE ERBRILLIANT
- DIVCO SITESTEUBENVILLE
- HANCOCK MANUFACTURING VITORONTO
- HUTTON ENTERPRISESWINTERSVILLE
- JEFFERSON PROCESSINGMINGO JUNCTION
- TORONTO OHIO MERCURY SPILLTORONTO
- WEIRTON STEELSTEUBENVILLE
- WELLSVILLE REST AREA ACID SPILLWELLSVILLE