EPA TRI Facility · Electric Utilities
Pacificorp Dave Johnston Plant
Glenrock, WY · Parent: Berkshire Hathaway Inc
- Total releases
- 8.2M lbs
- Chemicals reported
- 22
- Carcinogens
- 4
- Primary pathway
- Land Disposal
LAND Form-R mix
Pacificorp Dave Johnston Plant: how the 8.2M lbs splits
8.2M lbs across all reported pathways
- Land Disposal 8.0M lbs 97.7%
- Air Releases 180.3K lbs 2.2%
- Water Discharges 4.6K lbs 0.1%
- Off-site Transfers 10 lbs <0.1%
Pacificorp Dave Johnston Plant's 8.2M lbs Form-R total is LAND - land disposal is 97.7% of the bar. Next segment: air releases at 2.2%. Leading chemical by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
HEAVY volume LAND pathway TRACE-CARC
Pacificorp Dave Johnston Plant is an EPA Toxics Release Inventory reporter in Glenrock, WY, in the electric utilities sector. It reported 1.3M lbs of releases across 15 chemicals in 2023, and 8.2M lbs in total across its 2019-2023 reporting years. That ranks 260 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. Pacificorp Dave Johnston Plant is pounds #5 and chemical-count #8 at 8.2M 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). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Steamboat Processing Facility; Sage Creek Gas Plant; Bucking Horse Plant; Halliburton Casper Field Camp. Similar-scale Electric Utilities peers outside Wyoming: Adm Corn Processing; Ameren Missouri Labadie Energy Center; Kyger Creek Station; Miller Steam Plant. Other Berkshire Hathaway Inc sites in this extract: Cerro Wire LLC; Midamerican Energy Co Walter Scott Jr Energy Center; Pacificorp Jim Bridger Plant & Bridger Coal Co; Pacificorp Hunter Plant. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Barium And Barium Compounds; Vanadium compounds; Manganese compounds.
Pacificorp Dave Johnston Plant stamps HEAVY volume with a dominant LAND pathway (97.7% land disposal) across 22 chemicals · 4 carcinogen-classified. Cumulative Form-R extract: 8.2M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Adm Corn Processing and Ameren Missouri Labadie Energy Center.
Pacificorp Dave Johnston Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
8.2M lbs Top 1% higher than 99% 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
Pacificorp Dave Johnston Plant inside Converse's TRI pounds
Among the 513 Electric Utilities facilities in this database, Pacificorp Dave Johnston Plant reports the 41st-largest volume, placing it in the top 8% of its sector. This one site accounts for 88.7% of every pound reported in Converse. Scale peers outside Wyoming include Adm Corn Processing and Ameren Missouri Labadie Energy Center.
County-dominant here means ≥25% of Converse's reported pounds (9.2M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Pacificorp Dave Johnston Plant's total reported releases fell from 1.7 million lb in 2022 to 1.3 million lb in 2023, based on EPA TRI filings.
- Pacificorp Dave Johnston Plant's water releases rose from 20 lb in 2022 to 162 lb in 2023, based on EPA TRI filings.
- Pacificorp Dave Johnston Plant's land releases fell from 1.6 million lb in 2022 to 1.2 million lb in 2023, based on EPA TRI filings.
- Pacificorp Dave Johnston Plant's air releases fell from 34.1 thousand lb in 2022 to 26.9 thousand lb in 2023, based on EPA TRI filings.
Pacificorp Dave Johnston Plant Form-R facts
Compare this facility
See how Pacificorp Dave Johnston Plant stacks up against nearby facilities and the typical reporter.
8.2× more than the comparison
5.5× more 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 Pacificorp Dave Johnston Plant releases toxic chemicals into the environment. Total: 8.2M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 17% (1.5M lbs to 1.3M lbs).
Pacificorp Dave Johnston Plant: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Pacificorp Dave Johnston Plant year-over-year reported totals (decreased by 17% 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 compounds (except for barium sulfate (CAS No. 7727-43-7)).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.5M lbs | 13 |
| 2020 | 2.0M lbs | 15 |
| 2021 | 1.7M lbs | 15 |
| 2022 | 1.7M lbs | 14 |
| 2023 | 1.3M lbs | 15 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 4 of 22 chemicals are carcinogens. Sorted by total release volume.
Pacificorp Dave Johnston Plant · LAND-pathway site
Nearest TRI Facilities to Pacificorp Dave Johnston Plant
Closest other reporters in Wyoming - including Steamboat Processing Facility, Sage Creek Gas Plant, Bucking Horse Plant, ordered by distance.
Showing 8 of 69 other reporting facilities in Wyoming.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Wyoming - e.g. Adm Corn Processing, Ameren Missouri Labadie Energy Center, Kyger Creek Station.
Compare beyond Wyoming
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Pacificorp Dave Johnston Plant on cumulative reported pounds (8.2M lbs) and distinct chemical count (22). Release-pound peers include Entech Inc, Adm Corn Processing, Ameren Missouri Labadie Energy Center. Chemical-count peers include Seward Power Plant, Pixelle Specialty Solutions LLC, Envirite of Pennsylvania 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).
Other Berkshire Hathaway Inc Facilities
Same-parent TRI sites ranked by reported releases - including Cerro Wire LLC, Midamerican Energy Co Walter Scott Jr Energy Center, Pacificorp Jim Bridger Plant & Bridger Coal Co.
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 compounds (except for barium sulfate (CAS No. 7727-43-7)), Barium And Barium Compounds, Vanadium compounds, Manganese compounds; nearby reporters include Steamboat Processing Facility. Pacificorp Dave Johnston Plant stamps HEAVY volume · LAND 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 Pacificorp Dave Johnston Plant TRI extract (HEAVY · LAND · TRACE-CARC · lead Barium compounds (except for barium sulfate (CAS No. 7727-43-7))) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Pacificorp Dave Johnston Plant totals are self-reported EPCRA §313 estimates for Glenrock, WY, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 88.7% of Converse TRI pounds in this extract. Nearest ABS peer: Entech Inc (Δ 25.8K lbs). Pounds ≠ exposure.
Pacificorp Dave Johnston Plant stamps HEAVY volume · LAND pathway · TRACE-CARC · lead Barium compounds (except for barium sulfate (CAS No. 7727-43-7)). 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