Stillwater Mining Co East Boulder Mine

Violation IdentifiedTRI ReporterClean Water ActRCRA
Inspections1all-program
Penalty actions0
Total penalties$0lifetime
On-site releases373.6k lbTRI reported

Location

AddressEast Boulder Road
CityBig Timber
CountySweet Grass County
StateMontana
ZIP59011
Coordinates45.83731, -109.94459
EPA Registry ID110007110474

Compliance by program

ProgramStatusQuarters NC (last 12)Penalties
Clean Air ActNot regulated under this program
Clean Water ActViolation Identified10$0
RCRA Hazardous WasteNo Violation Identified0$0

TRI chemical releases

YearChemicalAirWaterLandTotal
2024Nickel compounds690209.2k209.3k
2024Chromium compounds (except for chromite ore mined…3069.7k69.7k
2024Methanol105054.8k54.9k
2024Copper compounds20037.0k37.0k
2024Propylene2.1k002.1k
2024Nitrate compounds (water dissociable; reportable …00493493
2024Lead compounds0099
2024Styrene0000
2023Nickel compounds890284.6k284.6k
2023Chromium compounds (except for chromite ore mined…5060.1k60.1k
2023Methanol105034.9k35.0k
2023Copper compounds28026.7k26.7k
2023Propylene2.1k002.1k
2023Nitrate compounds (water dissociable; reportable …00949949
2023Lead compounds002727
2023Styrene0000
2022Nickel compounds730152.4k152.5k
2022Methanol106051.6k51.7k
2022Chromium compounds (except for chromite ore mined…4048.0k48.0k
2022Copper compounds26030.5k30.5k
2022Propylene2.1k002.1k
2022Nitrate compounds (water dissociable; reportable …00751751
2022Mercury compounds204345
2022Lead compounds002020
2022Styrene0000

What this means

This facility is on EPA's regulated facility list (Clean Air Act, Clean Water Act, RCRA, or TRI) but has no significant violations on record. Inclusion in ECHO simply means the facility holds a permit or is subject to EPA reporting requirements.

EPA references

View detailed facility report at echo.epa.gov →