Litchfield County, CT
The federal environmental record for Litchfield County: what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
11
federal cleanup sites
1
PFAS-detecting water systems
19
TRI facilities
61
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Barkhamsted-New Hartford Landfill | Barkhamsted | on the NPL | 10/04/1989 |
Drinking water: PFAS testing
Public water systems serving Litchfield 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 |
|---|---|---|
| AQUARION WATER CO OF CT-NEW MILFORD CT0960011 | PFPeA: 6.7 ng/L PFHxA: 5.8 ng/L PFBS: 5.5 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
19 facilities in Litchfield filed TRI reports for 2024, totalling 71k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| UNIMETAL SURFACE FINISHING LLC | THOMASTON | Zinc compounds, Tetrachloroethylene | 65k lb |
| SHURTAPE TECHNOLOGIES LLC | NEW HARTFORD | Toluene, n-Hexane | 2k lb |
| FUELCELL ENERGY | TORRINGTON | Nickel, Lithium carbonate | 2k lb |
| RBC AIRCRAFT PRODUCTS INC | TORRINGTON | Chromium | 1k lb |
| SUMMIT CORP OF AMERICA | THOMASTON | Nickel And Nickel Compounds, Nitric acid | 698 lb |
| WHYCO FINISHING TECHNOLOGIES | THOMASTON | Lead And Lead Compounds | 37 lb |
| ELECTRIC MOTION CO INC. | WINSTED | Copper, Ammonia | 21 lb |
| MINTEQ/SPECIALTY MINERALS | NORTH CANAAN | Manganese, Nickel | 6 lb |
| TRUELOVE & MACLEAN INC | WATERTOWN | Copper | 1 lb |
| THE SIEMON CO | WATERTOWN | - | 0 lb |
| STERLING SINTERED TECHNOLOGIES INC | WINSTED | - | 0 lb |
| STEWART EFI CT LLC | THOMASTON | - | 0 lb |
| HOWMET CASTINGS & SERVICES INC. | WINSTED | - | 0 lb |
| O&G INDUSTRIES INC. | HARWINTON | Polycyclic aromatic compounds, Benzo[g,h,i]perylene | 0 lb |
| BRAXTON MANUFACTURING COINC | WATERTOWN | - | 0 lb |
| APG NEW ENGLAND | CANAAN | Lead And Lead Compounds, Mercury | 0 lb |
| ALTEK ELECTRONICS INC | TORRINGTON | Lead | 0 lb |
| BOMAR SPECIALTIES LLC | TORRINGTON | - | 0 lb |
| ALADDIN MANUFACTURING CARPET CUSHION - TORRINGTON CT | TORRINGTON | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 752 tank facilities in Litchfield: 311 tanks in service and 2,229 closed. 141 fuel releases are on record, of which 61 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Litchfield 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 Litchfield, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- BARKHAMSTED-NEW HARTFORD LANDFILLBARKHAMSTED
- CORNWALL DOT GARAGECORNWALL
- FM PRECISION GOLF MANUFACTURINGTORRINGTON
- HEMINWAY & BARTLETT MANUFACTURINGWATERTOWN
- HURLEY MANUFACTURINGNEW HARTFORD
- MIDDLE QUARTER MALLWOODBURY
- NEW MILFORD LANDFILL RECYCLING CENTERNEW MILFORD
- REXAM DISPENSING SYSTEMSTHOMASTON
- STONE CONTAINERTORRINGTON
- WATKINS BROTHERS MACHINERYNEW MILFORD
- WINCHESTER ELECTRONICSOAKVILLE