EPA TRI Facility · Electric Utilities
Dave Gates Generating Station
Anaconda, MT · Parent: Northwestern Energy Corp
- Total releases
- 107.7K lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Dave Gates Generating Station: how the 107.7K lbs splits
107.7K lbs across all reported pathways
- Air Releases 107.5K lbs 99.8%
- Off-site Transfers 206 lbs 0.2%
Dave Gates Generating Station's 107.7K lbs Form-R total is AIR - air releases is 99.8% of the bar. Next segment: off-site transfers at 0.2%. Leading chemical by pounds: Ammonia.
MID volume AIR pathway CLEAN
Dave Gates Generating Station is an EPA Toxics Release Inventory reporter in Anaconda, MT, in the electric utilities sector. It reported 26.9K lbs of releases across 1 chemical in 2023, and 107.7K lbs in total across its 2019-2023 reporting years. That ranks 4,436 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. Dave Gates Generating Station is pounds #23 and chemical-count #51 at 107.7K 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: Helena Sand & Gravel DBA Montana Materials & Const; Solvay USA LLC Silver Bow Plant; Rec Silicon; Montana Precision Products LLC. Similar-scale Electric Utilities peers outside Montana: Colorado Springs Utilities Martin Drake Power Plant; Hawaii Electric Light Co Inc Puna Generating Station; John S Cooper Power Station; Whitewater Generating Station. Largest disclosed chemicals by pounds: Ammonia.
Dave Gates Generating Station stamps MID volume with a dominant AIR pathway (99.8% air releases) across 1 chemical. Cumulative Form-R extract: 107.7K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Colorado Springs Utilities Martin Drake Power Plant and Hawaii Electric Light Co Inc Puna Generating Station.
Dave Gates Generating Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
108K lbs Top 17% higher than 83% 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
Dave Gates Generating Station inside Deer Lodge's TRI pounds
Among the 513 Electric Utilities facilities in this database, Dave Gates Generating Station reports the 318th-largest volume (107.7K lbs). This one site accounts for 98.6% of every pound reported in Deer Lodge. Its reported volume is concentrated rather than spread: Ammonia alone is 100% of the total. Scale peers outside Montana include Colorado Springs Utilities Martin Drake Power Plant and Hawaii Electric Light Co Inc Puna Generating Station.
County-dominant here means ≥25% of Deer Lodge's reported pounds (109.2K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Dave Gates Generating Station's total reported releases rose from 23.2 thousand lb in 2022 to 26.9 thousand lb in 2023, based on EPA TRI filings.
- Dave Gates Generating Station's off-site transfers rose from 35 lb in 2022 to 48 lb in 2023, based on EPA TRI filings.
- Dave Gates Generating Station's air releases rose from 23.2 thousand lb in 2022 to 26.8 thousand lb in 2023, based on EPA TRI filings.
Dave Gates Generating Station Form-R facts
Compare this facility
See how Dave Gates Generating Station stacks up against nearby facilities and the typical reporter.
72.2× more than the comparison
50% 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 Dave Gates Generating Station releases toxic chemicals into the environment. Total: 107.7K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 31% (20.6K lbs to 26.9K lbs).
Dave Gates Generating Station: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Dave Gates Generating Station year-over-year reported totals (increased by 31% 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 20.6K lbs | 1 |
| 2020 | 17.5K lbs | 1 |
| 2021 | 19.5K lbs | 1 |
| 2022 | 23.2K lbs | 1 |
| 2023 | 26.9K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 107.7K lbs | - |
Dave Gates Generating Station · AIR-pathway site
Nearest TRI Facilities to Dave Gates Generating Station
Closest other reporters in Montana - including Helena Sand & Gravel DBA Montana Materials & Const, Solvay USA LLC Silver Bow Plant, Rec Silicon, 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. Colorado Springs Utilities Martin Drake Power Plant, Hawaii Electric Light Co Inc Puna Generating Station, John S Cooper Power Station.
Compare beyond Montana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Dave Gates Generating Station on cumulative reported pounds (107.7K lbs) and distinct chemical count (1). Release-pound peers include Wilcox Gas Plant, Gm - Romulus Engine Operations, Arclin Surfaces LLC. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico LLC. 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 Ammonia; nearby reporters include Helena Sand & Gravel DBA Montana Materials & Const. Dave Gates Generating Station stamps MID volume · AIR pathway · CLEAN 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 Dave Gates Generating Station TRI extract (MID · AIR · CLEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Dave Gates Generating Station totals are self-reported EPCRA §313 estimates for Anaconda, MT, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 98.6% of Deer Lodge TRI pounds in this extract. Nearest ABS peer: Wilcox Gas Plant (Δ 54 lbs). Pounds ≠ exposure.
Dave Gates Generating Station stamps MID volume · AIR pathway · CLEAN · lead Ammonia. 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