Basin Electric Dry Fork Station – Emissions Trend

Gillette, WY · 2019–2023 · Parent: Basin Electric Power Cooperative

This page assembles 5 consecutive years of EPA Toxics Release Inventory Form R filings for Basin Electric Dry Fork Station, spanning 2019–2023. Each annual total aggregates on-site air emissions, surface-water discharges, land disposal, and off-site transfers reported by the facility under EPCRA Section 313, which requires disclosure whenever a listed chemical is manufactured, processed, or otherwise used above threshold quantities.

Reported releases opened at 764.8K in 2019 and closed at 1.3M in 2023 – a increase of 74.9% over the window. The chart below stacks the four TRI release media (air, water, land, off-site) and overlays the yearly total. The top contributor by cumulative mass is Barium And Barium Compounds at 4.4M, followed by Ammonia at 411.8K.

Because TRI figures are estimated, not metered, year-over-year deltas can reflect methodology revisions, ownership changes, or shifts in what a facility classifies as reportable, not only physical emission changes. Treat the trajectory as a disclosure record, and cross-reference with the EPA Enforcement and Compliance History Online (ECHO) system for the fuller regulatory picture on this electric utilities facility.

Overall Trend
↑ Increasing (+74.9%)
2019 Total
764.8K lbs
2023 Total
1.3M lbs

Total Releases by Category

Air
Water
Land
Offsite Transfer
0267.6K535.2K802.8K1.1M1.3M 20192020202120222023 Pounds Released

Year-over-Year Comparison

Year Total Chemicals YoY Change
2019 764.8K lbs 14 -
2020 831.8K lbs 14 +8.8%
2021 1.2M lbs 15 +49.7%
2022 1.3M lbs 15 +1.7%
2023 1.3M lbs 14 +5.6%

Top Chemicals by Year

Chemical 20192020202120222023 Total
Barium And Barium Compounds 669.6K 700.8K 951.8K 1.0M 1.1M 4.4M
Ammonia 6.4K 8.1K 136.1K 122.4K 138.7K 411.8K
Vanadium compounds 17.6K 18.4K 25.0K 26.3K 28.0K 115.3K
Manganese And Manganese Compounds 16.6K 17.4K 24.4K 25.8K 26.7K 111.0K
Nickel And Nickel Compounds 15.6K 16.5K 22.3K 23.4K 24.8K 102.6K
Copper And Copper Compounds - 17.7K 24.0K 25.3K 26.9K 93.9K
Zinc compounds 10.7K 11.2K 15.1K 15.9K 16.9K 69.6K
Vanadium (except when contained in an alloy) 105 31.2K 25.0K 114 114 56.5K
Chromium - - 10.8K 16.2K - 27.1K
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 5.3K 3.4K 3.2K 2.8K 3.2K 17.8K
Copper compounds 16.9K - - - - 16.9K
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2.1K 2.6K 2.4K 2.2K 2.4K 11.7K
Hydrogen fluoride 2.1K 2.6K 2.4K 2.2K 2.4K 11.7K
Lead And Lead Compounds 1.7K 1.8K 2.5K 2.6K 2.8K 11.4K
Mercury And Mercury Compounds 23 55 52 55 59 244

About This Data

Trend data is sourced from the EPA Toxic Release Inventory (TRI). Facilities report annually. Release quantities are self-reported estimates. Year-over-year changes may reflect changes in production, pollution control measures, reporting methodology, or chemical thresholds.

A decrease in reported releases does not necessarily indicate improved environmental performance, as it may reflect production cutbacks, facility closures, or changes in reporting requirements. Similarly, increases may reflect expanded production rather than degraded environmental practices.

Frequently Asked Questions

Is Basin Electric Dry Fork Station getting cleaner or dirtier?
Based on EPA TRI data from 2019–2023, Basin Electric Dry Fork Station's total toxic releases have increased by approximately 75%.
What time period does this trend data cover?
This page shows 5 years of EPA Toxic Release Inventory data from 2019–2023. Release quantities are self-reported estimates filed annually by the facility.