EPA TRI Facility · Natural Gas Processing
Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat
Casper, WY · Parent: Tallgrass Energy
- Total releases
- 3.7K lbs
- Chemicals reported
- 5
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat: how the 3.7K lbs splits
3.7K lbs across all reported pathways
- Air Releases 3.7K lbs 100.0%
Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat's 3.7K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: n-Hexane.
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.
LIGHT volume AIR pathway CARC-LEAN
Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat is an EPA Toxics Release Inventory reporter in Casper, WY, in the natural gas processing sector. It reported 3.7K lbs of releases across 5 chemicals in 2023. That ranks 11,718 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. Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat is pounds #42 and chemical-count #35 at 3.7K 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: Hf Sinclair Casper Refining LLC; Championx-Evansville Plant 108; Dura-Line; Halliburton Casper Field Camp. Similar-scale Natural Gas Processing peers outside Wyoming: Falcon Gas Plant; Rocky Mountain Midstream - Fort Lupton Gas Plant; Centennial Gas Plant; Rosewood Dew Point. Other Tallgrass Energy sites in this extract: Douglas Gas Plant. Largest disclosed chemicals by pounds: n-Hexane; Benzene; Methanol; Toluene.
Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 5 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 3.7K lbs (2023–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Falcon Gas Plant and Rocky Mountain Midstream - Fort Lupton Gas Plant.
Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
3.7K lbs Top 45% higher than 55% 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
Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat: n-Hexane-led volume
Among the 339 Natural Gas Processing facilities in this database, Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat reports the 281st-largest volume (3.7K lbs). Its reported volume is concentrated rather than spread: n-Hexane alone is 64.3% of the total. Scale peers outside Wyoming include Falcon Gas Plant and Rocky Mountain Midstream - Fort Lupton Gas Plant.
Concentrated means ≥60% of Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat's pounds in one chemical - here n-Hexane at 64.3%. Not a toxicity score.
Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat Form-R facts
Compare this facility
See how Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat stacks up against nearby facilities and the typical reporter.
97% less than the comparison
79% 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 Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat releases toxic chemicals into the environment. Total: 3.7K lbs.
Chemical Releases
Aggregated across all reporting years (2023–2023). 1 of 5 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 2.4K lbs | - |
| Benzene | 760 lbs | Carcinogen |
| Methanol | 570 lbs | - |
| Toluene | 0 lbs | - |
| Certain glycol ethers | 0 lbs | - |
Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat · AIR-pathway site
Nearest TRI Facilities to Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat
Closest other reporters in Wyoming - including Hf Sinclair Casper Refining LLC, Championx-Evansville Plant 108, Dura-Line, ordered by distance.
Showing 8 of 69 other reporting facilities in Wyoming.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Wyoming - e.g. Falcon Gas Plant, Rocky Mountain Midstream - Fort Lupton Gas Plant, Centennial Gas Plant.
Compare beyond Wyoming
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat on cumulative reported pounds (3.7K lbs) and distinct chemical count (5). Release-pound peers include Hydrite Chemical Co., Yanfeng Automotive Interiors Pmsc & Cw Southview, Sumco LLC. Chemical-count peers include Abbvie Ltd, Lilly del Caribe Inc Carolin A, Baxter Healthcare of 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.
- Hydrite Chemical Co. Lubbock, TX · Chemical Wholesalers 3.7K lbs reported
- Yanfeng Automotive Interiors Pmsc & Cw Southview Holland, MI · Transportation Equipment 3.7K lbs reported
- Sumco LLC Indianapolis, IN · Fabricated Metals 3.7K lbs reported
- Cambridge Isotope Laboratories Inc Andover, MA · Chemicals 3.7K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Tallgrass Energy Facilities
Same-parent TRI sites ranked by reported releases - including Douglas Gas Plant.
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 n-Hexane, Benzene, Methanol, Toluene; nearby reporters include Hf Sinclair Casper Refining LLC. Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat stamps LIGHT volume · AIR pathway · CARC-LEAN 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 Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat TRI extract (LIGHT · AIR · CARC-LEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat totals are self-reported EPCRA §313 estimates for Casper, WY, latest year 2023. NAICS 211130 · Natural Gas Processing. 1.4% of Natrona TRI pounds in this extract. Nearest ABS peer: Hydrite Chemical Co. (Δ 0 lbs). Pounds ≠ exposure.
Tallgrass Midstream LLC - Casper Gas Plant & Compressor Stat stamps LIGHT volume · AIR pathway · CARC-LEAN · lead n-Hexane. 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