Rocky Mountain Power - Hardin Generating Station

No Violation IdentifiedTRI ReporterClean Air ActClean Water ActRCRA
Inspections3all-program
Penalty actions0
Total penalties$0lifetime
On-site releases32.2k lbTRI reported

Location

Address643 Industrial Park Rd
CityHardin
CountyBig Horn County
StateMontana
ZIP59034
Coordinates45.76434, -107.59956
EPA Registry ID110038363623

Compliance by program

ProgramStatusQuarters NC (last 12)Penalties
Clean Air ActNo Violation Identified0$0
Clean Water ActNot Applicable0$0
RCRA Hazardous WasteNo Violation Identified0$0

TRI chemical releases

YearChemicalAirWaterLandTotal
2024Sulfuric acid (acid aerosols including mists, vap…26.9k0026.9k
2024Barium compounds (except for barium sulfate (CAS …2.9k002.9k
2024Manganese1.4k001.4k
2024Hydrogen fluoride32100321
2024Hydrochloric acid (acid aerosols including mists,…32100321
2024Lead compounds20800208
2024Copper970097
2024Zinc compounds920092
2024Mercury compounds3003
2024Dioxin and dioxin-like compounds1001
2023Sulfuric acid (acid aerosols including mists, vap…24.3k0024.3k
2023Barium compounds (except for barium sulfate (CAS …3.0k003.0k
2023Manganese1.4k001.4k
2023Hydrogen fluoride28900289
2023Hydrochloric acid (acid aerosols including mists,…28900289
2023Lead compounds18900189
2023Copper910091
2023Zinc compounds860086
2023Mercury compounds3003
2023Dioxin and dioxin-like compounds1001
2022Sulfuric acid (acid aerosols including mists, vap…29.9k0029.9k
2022Barium compounds (except for barium sulfate (CAS …4.9k004.9k
2022Manganese2.2k002.2k
2022Hydrogen fluoride35500355
2022Hydrochloric acid (acid aerosols including mists,…35500355
2022Lead compounds25200252
2022Copper14800148
2022Zinc compounds14000140
2022Mercury compounds2002
2022Dioxin and dioxin-like compounds1001

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 →