Aroostook County, ME
The federal environmental record for Aroostook County (population 67,351): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
2
Superfund NPL sites
6
federal cleanup sites
1
PFAS-detecting water systems
6
TRI facilities
0
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Loring Air Force Base | Limestone | on the NPL | 02/21/1990 |
| Pinette's Salvage Yard | Washburn | deleted | 09/08/1983 |
Drinking water: PFAS testing
Public water systems serving Aroostook 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 |
|---|---|---|
| HOULTON WATER COMPANY ME0090700 | PFOS: 4.8 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
6 facilities in Aroostook filed TRI reports for 2024, totalling 2.0M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| MCCAIN FOODS USA INC | EASTON | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia | 1.9M lb |
| TWIN RIVERS PAPER CO LLC | MADAWASKA | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead | 39k lb |
| HUBER ENGINEERED WOODS LLC | EASTON | Methanol, Formaldehyde | 36k lb |
| LOUISIANA-PACIFIC CORP | NEW LIMERICK | Methanol, Zinc compounds | 8k lb |
| TATE & LYLE SOLUTIONS USA LLC | HOULTON | Propylene oxide | 2k lb |
| SMITH & WESSON INC - HOULTON | HOULTON | Chromium, Manganese | 1 lb |
Underground fuel tanks
EPA's UST Finder records 746 tank facilities in Aroostook: 198 tanks in service and 1,781 closed. 156 fuel releases are on record, of which 0 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Aroostook 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 Aroostook, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- FWS-AROOSTOOK NATIONAL WILDLIFE REFUGELIMESTONE
- LORING AIR FORCE BASELIMESTONE
- MADORE CLEANERSVAN BUREN
- MERLIN ONE ELECTRIC GENERATING FACILITYCARIBOU
- MICHAUD JUNKYARDFORT FAIRFIELD
- PINETTE'S SALVAGE YARDWASHBURN