EPA TRI Facility · Natural Gas Processing
Armstrong Gas Plant
Yoakum, TX · Parent: Enterprise Products Operating LLC
- Total releases
- 63.8K lbs
- Chemicals reported
- 8
- Carcinogens
- 3
- Primary pathway
- Air Releases
AIR Form-R mix
Armstrong Gas Plant: how the 63.8K lbs splits
63.8K lbs across all reported pathways
- Air Releases 45.6K lbs 71.5%
- Off-site Transfers 18.2K lbs 28.5%
Armstrong Gas Plant's 63.8K lbs Form-R total is AIR - air releases is 71.5% of the bar. Next segment: off-site transfers at 28.5%. Leading chemical by pounds: Formaldehyde.
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-HEAVY
Armstrong Gas Plant is an EPA Toxics Release Inventory reporter in Yoakum, TX, in the natural gas processing sector. It reported 58.5K lbs of releases across 8 chemicals in 2023, and 63.8K lbs in total across its 2022-2023 reporting years. That ranks 5,575 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Texas's 2,016 reporting TRI sites, pounds #1 is not chemical-count #1. Armstrong Gas Plant is pounds #535 and chemical-count #390 at 63.8K lbs. Ascend Performance Materials-Chocolate Bayou Plant leads reported pounds (94.0M lbs) at 36 chemicals (chemical-count #35). Veolia Es Technical Solutions LLC Port Arthur Facility leads chemical count at 246 chemicals (1.5M lbs, pounds #112). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Yoakum Cryogenic Plant; Eog Resources Inc Shiner Hub; Halliburton Victoria Field Camp; Ranch Hand - 153. Similar-scale Natural Gas Processing peers outside Texas: Wattenberg Gas Plant/ Anadarko Dj Gas Processing LLC; Cotton Valley Gas Plant; South Eddy Gas Plant; Rose Valley Plant. Other Enterprise Products Operating LLC sites in this extract: Enterprise Products Operating LLC; Chaco Gas Plant; East Storage / Splitter III Facility; Enterprise Products Operating LLC Baton Rouge Fractionator. Largest disclosed chemicals by pounds: Formaldehyde; n-Hexane; Toluene; Cyclohexane.
Armstrong Gas Plant stamps LIGHT volume with a dominant AIR pathway (71.5% air releases) across 8 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 63.8K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Wattenberg Gas Plant/ Anadarko Dj Gas Processing LLC and Cotton Valley Gas Plant.
Armstrong Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
64K lbs Top 21% higher than 79% 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
Armstrong Gas Plant inside Dewitt's TRI pounds
Among the 339 Natural Gas Processing facilities in this database, Armstrong Gas Plant reports the 80th-largest volume, placing it in the top 23.6% of its sector. This one site accounts for 50.5% of every pound reported in Dewitt. Carcinogen-classified chemicals make up 62.5% of the reported pounds, not just of the chemical count. Scale peers outside Texas include Wattenberg Gas Plant/ Anadarko Dj Gas Processing LLC and Cotton Valley Gas Plant.
County-dominant here means ≥25% of Dewitt's reported pounds (126.4K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Armstrong Gas Plant's total reported releases rose from 5.3 thousand lb in 2022 to 58.5 thousand lb in 2023, based on EPA TRI filings.
- Armstrong Gas Plant's off-site transfers rose from 661 lb in 2022 to 17.5 thousand lb in 2023, based on EPA TRI filings.
- Armstrong Gas Plant's air releases rose from 4.6 thousand lb in 2022 to 41.0 thousand lb in 2023, based on EPA TRI filings.
- Armstrong Gas Plant's chemicals reported rose from 6 in 2022 to 8 in 2023, based on EPA TRI filings.
Armstrong Gas Plant Form-R facts
Compare this facility
See how Armstrong Gas Plant stacks up against nearby facilities and the typical reporter.
51% less than the comparison
About the same as 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 Armstrong Gas Plant releases toxic chemicals into the environment. Total: 63.8K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases increased by 1005% (5.3K lbs to 58.5K lbs).
Armstrong Gas Plant: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Armstrong Gas Plant year-over-year reported totals (increased by 1005% from 2022 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: Formaldehyde.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 5.3K lbs | 6 |
| 2023 | 58.5K lbs | 8 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 3 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Formaldehyde | 37.0K lbs | Carcinogen |
| n-Hexane | 14.3K lbs | - |
| Toluene | 4.1K lbs | - |
| Cyclohexane | 3.3K lbs | - |
| Benzene | 2.9K lbs | Carcinogen |
| m-Xylene | 1.5K lbs | - |
| p-Xylene | 733 lbs | - |
| Ethylbenzene | 0 lbs | Carcinogen |
Armstrong Gas Plant · AIR-pathway site
Nearest TRI Facilities to Armstrong Gas Plant
Closest other reporters in Texas - including Yoakum Cryogenic Plant, Eog Resources Inc Shiner Hub, Halliburton Victoria Field Camp, ordered by distance.
Showing 8 of 2,015 other reporting facilities in Texas.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Texas - e.g. Wattenberg Gas Plant/ Anadarko Dj Gas Processing LLC, Cotton Valley Gas Plant, South Eddy Gas Plant.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Armstrong Gas Plant on cumulative reported pounds (63.8K lbs) and distinct chemical count (8). Release-pound peers include Cb&i Storage Tank Solutions Llc., Swimusa Fiberglass Pools, Plas-Tanks Industries Inc.. Chemical-count peers include Prepa-South Coast Power Plant, Argos Puerto Rico Corp., US Tsubaki Automotive 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.
- Cb&i Storage Tank Solutions Llc. Clive, IA · Fabricated Metals 63.8K lbs reported
- Swimusa Fiberglass Pools Hammonton, NJ · Plastics and Rubber 63.8K lbs reported
- Plas-Tanks Industries Inc. Hamilton, OH · Plastics and Rubber 63.9K lbs reported
- Idi Caribe Inc Salinas, PR · Chemicals 63.8K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Enterprise Products Operating LLC Facilities
Same-parent TRI sites ranked by reported releases - including Enterprise Products Operating LLC, Chaco Gas Plant, East Storage / Splitter III Facility.
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 Formaldehyde, n-Hexane, Toluene, Cyclohexane; nearby reporters include Yoakum Cryogenic Plant. Armstrong Gas Plant stamps LIGHT 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 Armstrong Gas Plant TRI extract (LIGHT · AIR · CARC-HEAVY · lead Formaldehyde) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Armstrong Gas Plant totals are self-reported EPCRA §313 estimates for Yoakum, TX, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 50.5% of Dewitt TRI pounds in this extract. Nearest ABS peer: Cb&i Storage Tank Solutions Llc. (Δ 23 lbs). Pounds ≠ exposure.
Armstrong Gas Plant stamps LIGHT volume · AIR pathway · CARC-HEAVY · lead Formaldehyde. 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