Skip to content

States / Maine

Knox County, ME

The federal environmental record for Knox County (population 40,977): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.

1

Superfund NPL sites

3

federal cleanup sites

0

PFAS-detecting water systems

5

TRI facilities

0

open tank releases

Superfund NPL sites

SiteCityStatusListed
Union Chemical Co., Inc.South Hopedeleted10/04/1989

Drinking water: PFAS testing

No public water system serving Knox reported a PFAS detection in the UCMR5 national testing round. Systems serving under 3,300 people were only sampled in part, so absence from this table is not proof of absence in the water.

Facilities reporting toxic releases (2024)

5 facilities in Knox filed TRI reports for 2024, totalling 32k lb released.

FacilityCityTop chemicalsTotal released
NORTH END COMPOSITESROCKLANDStyrene18k lb
INTERNATIONAL N&H USA INC.ROCKLANDNitrate compounds (water dissociable; reportable only when in aqueous solution), n-Hexane14k lb
FISHER ENGINEERINGROCKLANDManganese And Manganese Compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)135 lb
PIKE INDUSTRIES INC-WASHINGTONWASHINGTONPolycyclic aromatic compounds2 lb
DRAGON PRODUCTS COTHOMASTONLead compounds0 lb

Underground fuel tanks

EPA's UST Finder records 164 tank facilities in Knox: 65 tanks in service and 403 closed. 94 fuel releases are on record, of which 0 remain open. Open releases are cleanups that have not reached "no further action".

Radon

EPA maps Knox 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 - $39

All federal cleanup sites on file

The wider Superfund enterprise inventory (SEMS) for Knox, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.

  • CLEAN BEECAMDEN
  • CLOTHES CARE UNLIMITEDCAMDEN
  • UNION CHEMICAL CO., INC.SOUTH HOPE