Montour County, PA
The federal environmental record for Montour County (population 18,091): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
1
federal cleanup sites
1
PFAS-detecting water systems
3
TRI facilities
4
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| MW Manufacturing | Valley Township | on the NPL | 06/10/1986 |
Drinking water: PFAS testing
Public water systems serving Montour 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 |
|---|---|---|
| DANVILLE MUNICIPAL WATER AUTH PA4470007 | PFPeA: 3.1 ng/L PFHxA: 3 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
3 facilities in Montour filed TRI reports for 2024, totalling 199k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| MONTOUR STEAM ELECTRIC STATION | DANVILLE | Ammonia, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 199k lb |
| GREAT DANE TRAILERS | MILTON | Manganese, Chromium | 79 lb |
| US GYPSUM - WASHINGTONVILLE PLANT | DANVILLE | Mercury compounds, Lead compounds | 52 lb |
Underground fuel tanks
EPA's UST Finder records 63 tank facilities in Montour: 48 tanks in service and 141 closed. 18 fuel releases are on record, of which 4 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Montour 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 Montour, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- MW MANUFACTURINGVALLEY TOWNSHIP