EPA TRI Facility · Coal Mining

Buckskin Mining Co Gillette Wy

Gillette, WY · Parent: Kiewit Mining Group

Total releases
44 lbs
Chemicals reported
2
Carcinogens
1
Primary pathway
Air Releases

AIR Form-R mix

Buckskin Mining Co Gillette Wy: how the 44 lbs splits

44 lbs across all reported pathways

  • Air Releases 33 lbs 76.3%
  • Land Disposal 10 lbs 23.6%
  • Off-site Transfers 0 lbs <0.1%

Buckskin Mining Co Gillette Wy's 44 lbs Form-R total is AIR - air releases is 76.3% of the bar. Next segment: land disposal at 23.6%. Leading chemical by pounds: Lead.

TRACE volume AIR pathway CARC-HEAVY

Buckskin Mining Co Gillette Wy is an EPA Toxics Release Inventory reporter in Gillette, WY, in the coal mining sector. It reported 8 lbs of releases across 2 chemicals in 2023, and 44 lbs in total across its 2019-2023 reporting years. That ranks 17,347 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Wyoming's 70 reporting TRI sites, pounds #1 is not chemical-count #1. Buckskin Mining Co Gillette Wy is pounds #61 and chemical-count #54 at 44 lbs. Dyno Nobel Inc-Cheyenne Plant leads reported pounds (27.1M lbs) at 8 chemicals (chemical-count #19). Hf Sinclair Parco Refining LLC leads chemical count at 36 chemicals (1.5M lbs, pounds #10). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Basin Electric Dry Fork Station; 50 Buttes; Black Hills Corp - Neil Simpson Complex; Pacificorp Wyodak Plant. Largest disclosed chemicals by pounds: Lead; Mercury.

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Buckskin Mining Co Gillette Wy stamps TRACE volume with a dominant AIR pathway (76.3% air releases) across 2 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 44 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Nearest other reporter: Basin Electric Dry Fork Station.

#17,347 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Buckskin Mining Co Gillette Wy vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

44 lbs 33rd percentile higher than 33% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

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

Buckskin Mining Co Gillette Wy in the Coal Mining sector extract

Among the 37 Coal Mining facilities in this database, Buckskin Mining Co Gillette Wy reports the 34th-largest volume (44 lbs). Nearest other reporters include Basin Electric Dry Fork Station.

Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.

Buckskin Mining Co Gillette Wy Form-R facts

Sector
Coal Mining
TRACE volume
44 lbs
AIR pathway
Air Releases
CARC-HEAVY chem count
2 · 1 carc.
Lead chemical
Lead

Compare this facility

See how Buckskin Mining Co Gillette Wy stacks up against nearby facilities and the typical reporter.

Total reported releases
Buckskin Mining Co Gillette Wy
44 lbs
Basin Electric Dry Fork Station
5.4M lbs

100% less than the comparison

Chemicals reported
Buckskin Mining Co Gillette Wy
2
Basin Electric Dry Fork Station
16

88% 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 Buckskin Mining Co Gillette Wy releases toxic chemicals into the environment. Total: 44 lbs.

Air Releases 33 lbs (76.3%)
Land Disposal 10 lbs (23.6%)
Off-site Transfers 0 lbs (<0.1%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 30% (11 lbs to 8 lbs).

Buckskin Mining Co Gillette Wy: annual Form-R pounds

TRACE site · AIR pathway · TRI years 2019–2023

million lbs

What this shows Buckskin Mining Co Gillette Wy year-over-year reported totals (decreased by 30% 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: Lead.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 11 lbs 2
2020 8 lbs 2
2021 7 lbs 2
2022 10 lbs 2
2023 8 lbs 2

Chemical Releases

Aggregated across all reporting years (2019–2023). 1 of 2 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Lead 42 lbs Carcinogen
Mercury 1 lbs -

Buckskin Mining Co Gillette Wy · AIR-pathway site

Gillette, WY
44.3874, -105.5364
County TRI context
Campbell · 0.0% of county pounds
Parent company
Kiewit Mining Group

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 Lead, Mercury; nearby reporters include Basin Electric Dry Fork Station. Buckskin Mining Co Gillette Wy stamps TRACE volume · AIR pathway · CARC-HEAVY 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 Buckskin Mining Co Gillette Wy TRI extract (TRACE · AIR · CARC-HEAVY · lead Lead) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Buckskin Mining Co Gillette Wy totals are self-reported EPCRA §313 estimates for Gillette, WY, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 212111 · Coal Mining. 0.0% of Campbell TRI pounds in this extract. Nearest ABS peer: Voestalpine Rotec (Δ 0 lbs). Pounds ≠ exposure.

Buckskin Mining Co Gillette Wy stamps TRACE volume · AIR pathway · CARC-HEAVY · lead Lead. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. 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