Cheshire County, NH
The federal environmental record for Cheshire County (population 77,703): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
6
federal cleanup sites
1
PFAS-detecting water systems
2
TRI facilities
26
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Troy Mills Landfill | Troy | on the NPL | 09/29/2003 |
Drinking water: PFAS testing
Public water systems serving Cheshire 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 |
|---|---|---|
| JAFFREY WATER WORKS NH1221010 | PFHxS: 11 ng/L PFOA: 6.6 ng/L PFOS: 5.6 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
2 facilities in Cheshire filed TRI reports for 2024, totalling 11k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| DUXBURY COMPOSITE PRODUCTS DBA PLP COMPOSITES | FITZWILLIAM | Styrene | 7k lb |
| EMD MILLIPORE CORP | JAFFREY | Dichloromethane, N-Methyl-2-pyrrolidone | 4k lb |
Underground fuel tanks
EPA's UST Finder records 320 tank facilities in Cheshire: 179 tanks in service and 808 closed. 150 fuel releases are on record, of which 26 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Cheshire 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 Cheshire, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- ELECTROSONICS/SPOFFORD PLACE (FORMER)CHESTERFIELD
- MCGOLDRICK PAPER COMPANYHINSDALE
- MEADOWOOD ASSEMBLY HALLFITZWILLIAM
- TROY MILLS LANDFILLTROY
- US ARMY RESERVE CENTER 99TH RSCKEENE
- W. W. CROSSJAFFREY