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States / Montana

Silver Bow County, MT

The federal environmental record for Silver Bow County (population 36,360): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.

1

Superfund NPL sites

5

federal cleanup sites

0

PFAS-detecting water systems

5

TRI facilities

25

open tank releases

Superfund NPL sites

SiteCityStatusListed
Montana Pole and TreatingButteon the NPL07/22/1987

Drinking water: PFAS testing

No public water system serving Silver Bow 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 Silver Bow filed TRI reports for 2024, totalling 31.7M lb released.

FacilityCityTop chemicalsTotal released
MONTANA RESOURCES LLCBUTTEManganese And Manganese Compounds, Copper And Copper Compounds31.7M lb
REC SILICONBUTTEAmmonia3k lb
MONTANA PRECISION PRODUCTS LLCBUTTENickel, Chromium1k lb
ERGON ASPHALT & EMULSIONS INC. - BUTTEBUTTE-0 lb
SOLVAY USA LLC SILVER BOW PLANTBUTTE-0 lb

Underground fuel tanks

EPA's UST Finder records 176 tank facilities in Silver Bow: 115 tanks in service and 436 closed. 97 fuel releases are on record, of which 25 remain open. Open releases are cleanups that have not reached "no further action".

Radon

EPA maps Silver Bow 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 - $39

All federal cleanup sites on file

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

  • BTC DIOXINBUTTE
  • BUTTE SOUTH MAIN STREET SOLVENT PLUMEBUTTE
  • MONTANA POLE AND TREATINGBUTTE
  • SILVER BOW CREEK/BUTTE AREABUTTE
  • STAUFFER CHEM CORAMSAY