EPA TRI Facility · Electric Utilities
Colstrip Energy LP Rosebud Power Plant
Colstrip, MT
- Total releases
- 916.9K lbs
- Chemicals reported
- 16
- Carcinogens
- 1
- Primary pathway
- Land Disposal
MIXED Form-R mix
Colstrip Energy LP Rosebud Power Plant: how the 916.9K lbs splits
916.9K lbs across all reported pathways
- Land Disposal 561.1K lbs 61.2%
- Air Releases 355.7K lbs 38.8%
Colstrip Energy LP Rosebud Power Plant's 916.9K lbs Form-R total is MIXED - land disposal is 61.2% of the bar. Next segment: air releases at 38.8%. Leading chemical by pounds: Barium And Barium Compounds.
MID volume MIXED pathway TRACE-CARC
Colstrip Energy LP Rosebud Power Plant is an EPA Toxics Release Inventory reporter in Colstrip, MT, in the electric utilities sector. It reported 221.6K lbs of releases across 10 chemicals in 2023, and 916.9K lbs in total across its 2019-2023 reporting years. That ranks 1,377 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Montana's 67 reporting TRI sites, pounds #1 is not chemical-count #1. Colstrip Energy LP Rosebud Power Plant is pounds #5 and chemical-count #6 at 916.9K lbs. Montana Resources LLC leads reported pounds (215.2M lbs) at 12 chemicals (chemical-count #11). Phillips 66 Co Billings Refinery leads chemical count at 39 chemicals (465.0K lbs, pounds #16). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Colstrip Steam Electric Station; Hardin Generating Station; Pfp Industries LLC - Miles City Mt Facility; Decker Coal Co. Similar-scale Electric Utilities peers outside Montana: Aes Hawaii LLC; Florida Power & Light Co Riviera Beach Energy Center; Red-Rochester LLC - Eastman Business Park; Salt River Project Navajo Generating Station. Largest disclosed chemicals by pounds: Barium And Barium Compounds; Hydrogen fluoride; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Zinc compounds.
Colstrip Energy LP Rosebud Power Plant is a MID · MIXED-pathway Form-R site in Colstrip, MT: 916.9K lbs across 16 chemicals (1 carcinogen-classified, TRACE-CARC). No single media clears 70% of the bar (lead segment land disposal at 61.2%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Aes Hawaii LLC and Florida Power & Light Co Riviera Beach Energy Center.
Colstrip Energy LP Rosebud Power Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
917K lbs Top 5% higher than 95% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Colstrip Energy LP Rosebud Power Plant in the Electric Utilities sector extract
Among the 513 Electric Utilities facilities in this database, Colstrip Energy LP Rosebud Power Plant reports the 191st-largest volume (916.9K lbs). Scale peers outside Montana include Aes Hawaii LLC and Florida Power & Light Co Riviera Beach Energy Center.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Colstrip Energy LP Rosebud Power Plant's total reported releases rose from 191.8 thousand lb in 2022 to 221.6 thousand lb in 2023, based on EPA TRI filings.
- Colstrip Energy LP Rosebud Power Plant's land releases rose from 119.1 thousand lb in 2022 to 144.0 thousand lb in 2023, based on EPA TRI filings.
- Colstrip Energy LP Rosebud Power Plant's air releases rose from 72.7 thousand lb in 2022 to 77.6 thousand lb in 2023, based on EPA TRI filings.
Colstrip Energy LP Rosebud Power Plant Form-R facts
Compare this facility
See how Colstrip Energy LP Rosebud Power Plant stacks up against nearby facilities and the typical reporter.
98% less than the comparison
58% less than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Colstrip Energy LP Rosebud Power Plant releases toxic chemicals into the environment. Total: 916.9K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 35% (163.8K lbs to 221.6K lbs).
Colstrip Energy LP Rosebud Power Plant: annual Form-R pounds
MID site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Colstrip Energy LP Rosebud Power Plant year-over-year reported totals (increased by 35% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Barium And Barium Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 163.8K lbs | 10 |
| 2020 | 155.1K lbs | 10 |
| 2021 | 184.5K lbs | 10 |
| 2022 | 191.8K lbs | 10 |
| 2023 | 221.6K lbs | 10 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 16 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Barium And Barium Compounds | 431.5K lbs | - |
| Hydrogen fluoride | 291.9K lbs | - |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 88.8K lbs | - |
| Zinc compounds | 60.8K lbs | - |
| Vanadium compounds | 13.5K lbs | - |
| Copper And Copper Compounds | 12.0K lbs | - |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 7.4K lbs | - |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 3.7K lbs | - |
| Lead And Lead Compounds | 3.4K lbs | - |
| Copper compounds | 2.4K lbs | - |
| Lead compounds | 714 lbs | - |
| Manganese And Manganese Compounds | 498 lbs | - |
| Manganese compounds | 122 lbs | - |
| Mercury And Mercury Compounds | 5 lbs | - |
| Mercury compounds | 2 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Colstrip Energy LP Rosebud Power Plant in Rosebud
Nearest TRI Facilities to Colstrip Energy LP Rosebud Power Plant
Closest other reporters in Montana - including Colstrip Steam Electric Station, Hardin Generating Station, Pfp Industries LLC - Miles City Mt Facility, ordered by distance.
Showing 8 of 66 other reporting facilities in Montana.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Montana - e.g. Aes Hawaii LLC, Florida Power & Light Co Riviera Beach Energy Center, Red-Rochester LLC - Eastman Business Park.
Compare beyond Montana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Colstrip Energy LP Rosebud Power Plant on cumulative reported pounds (916.9K lbs) and distinct chemical count (16). Release-pound peers include Eurecat US, Aerojet Rocketdyne Inc, Rexam Beverage Can Co. Chemical-count peers include Surpass Chemical Co. Inc., The Federal Metal Co, Wheelabrator Frackville Energy Co Inc. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Barium And Barium Compounds, Hydrogen fluoride, Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Zinc compounds; nearby reporters include Colstrip Steam Electric Station. Colstrip Energy LP Rosebud Power Plant stamps MID volume · MIXED pathway · TRACE-CARC carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Colstrip Energy LP Rosebud Power Plant TRI extract (MID · MIXED · TRACE-CARC · lead Barium And Barium Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Colstrip Energy LP Rosebud Power Plant totals are self-reported EPCRA §313 estimates for Colstrip, MT, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 1.9% of Rosebud TRI pounds in this extract. Nearest ABS peer: Eurecat US (Δ 1.4K lbs). Pounds ≠ exposure.
Colstrip Energy LP Rosebud Power Plant stamps MID · MIXED pathway (land disposal leads at 61.2%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov