Chittenden County, VT
The federal environmental record for Chittenden County (population 169,481): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
2
Superfund NPL sites
9
federal cleanup sites
1
PFAS-detecting water systems
5
TRI facilities
107
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Commerce Street Plume | Williston | on the NPL | 04/27/2005 |
| Pine Street Canal | Burlington | on the NPL | 09/08/1983 |
Drinking water: PFAS testing
Public water systems serving Chittenden 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 |
|---|---|---|
| COLCHESTER FIRE DISTRICT 2 VT0005059 | PFBA: 5.2 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
5 facilities in Chittenden filed TRI reports for 2024, totalling 181k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| GLOBALFOUNDRIES U.S. 2 LLC - VERMONT FACILITY | ESSEX JUNCTION | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia | 151k lb |
| U.S. ARMY NATIONAL GUARD ETHAN ALLEN FIRING RANGE | JERICHO | Copper, Lead | 30k lb |
| PIKE INDUSTRIES INC. - WILLISTON VT (P800) | WILLISTON | Polycyclic aromatic compounds | 3 lb |
| HAZELETT STRIP CASTING CORP | COLCHESTER | Copper | 1 lb |
| CHAMPLAIN CABLE CORP | COLCHESTER | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 561 tank facilities in Chittenden: 350 tanks in service and 1,537 closed. 353 fuel releases are on record, of which 107 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Chittenden as Zone 3, the lowest predicted indoor radon (under 2 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 Chittenden, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- BELL AIRCRAFT DUMP (FORMER)BURLINGTON
- COMMERCE STREET PLUMEWILLISTON
- GENERAL ELECTRIC CO LAKESIDE AVE PLANTBURLINGTON
- HARBOUR INDUSTRIESSHELBURNE
- HARBOUR INDUSTRIES (FORMER)COLCHESTER
- PINE STREET CANALBURLINGTON
- RATHE BROTHER'S LANDFILLCOLCHESTER
- US ARMY N.G. ETHAN ALLEN FIRING RANGEJERICHO
- VT AIR NATIONAL GUARDBURLINGTON