EPA TRI Facility · Natural Gas Processing
Eog Resources Inc. T. R. Marshall Hub
Gonzales, TX · Parent: Eog Resources Inc
- Total releases
- 62.5K lbs
- Chemicals reported
- 11
- Carcinogens
- 3
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Eog Resources Inc. T. R. Marshall Hub: how the 62.5K lbs splits
62.5K lbs across all reported pathways
- Off-site Transfers 32.5K lbs 52.0%
- Air Releases 30.0K lbs 48.0%
Eog Resources Inc. T. R. Marshall Hub's 62.5K lbs Form-R total is MIXED - off-site transfers is 52.0% of the bar. Next segment: air releases at 48.0%. 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 MIXED pathway CARC-MID
Eog Resources Inc. T. R. Marshall Hub is an EPA Toxics Release Inventory reporter in Gonzales, TX, in the natural gas processing sector. It reported 37.3K lbs of releases across 11 chemicals in 2023, and 62.5K lbs in total across its 2022-2023 reporting years. That ranks 5,625 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. Eog Resources Inc. T. R. Marshall Hub is pounds #543 and chemical-count #235 at 62.5K 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: Eog Resources Inc Shiner Hub; Ranch Hand - 153; Yoakum Cryogenic Plant; Eog Resources Inc Smiley Hub. Similar-scale Natural Gas Processing peers outside Texas: South Eddy Gas Plant; Wattenberg Gas Plant/ Anadarko Dj Gas Processing LLC; Cotton Valley Gas Plant; Enterprise Gas Proc - Meeker Gas Plant. Other Eog Resources Inc sites in this extract: Eog Resources Inc Titan Hub; Eog Resources Inc Shiner Hub; Eog Resources Inc Lyssy Hub; Eog Resources Inc Smiley Hub. Largest disclosed chemicals by pounds: Formaldehyde; n-Hexane; m-Xylene; Toluene.
Eog Resources Inc. T. R. Marshall Hub is a LIGHT · MIXED-pathway Form-R site in Gonzales, TX: 62.5K lbs across 11 chemicals (3 carcinogen-classified, CARC-MID). No single media clears 70% of the bar (lead segment off-site transfers at 52.0%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include South Eddy Gas Plant and Wattenberg Gas Plant/ Anadarko Dj Gas Processing LLC.
Eog Resources Inc. T. R. Marshall Hub vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
63K lbs Top 22% higher than 78% 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
Eog Resources Inc. T. R. Marshall Hub inside Dewitt's TRI pounds
Among the 339 Natural Gas Processing facilities in this database, Eog Resources Inc. T. R. Marshall Hub reports the 81st-largest volume, placing it in the top 23.9% of its sector. This one site accounts for 49.5% of every pound reported in Dewitt. Scale peers outside Texas include South Eddy Gas Plant and Wattenberg Gas Plant/ Anadarko Dj Gas Processing LLC.
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
- Eog Resources Inc. T. R. Marshall Hub's total reported releases rose from 25.3 thousand lb in 2022 to 37.3 thousand lb in 2023, based on EPA TRI filings.
- Eog Resources Inc. T. R. Marshall Hub's off-site transfers rose from 11.1 thousand lb in 2022 to 21.4 thousand lb in 2023, based on EPA TRI filings.
- Eog Resources Inc. T. R. Marshall Hub's air releases rose from 14.1 thousand lb in 2022 to 15.9 thousand lb in 2023, based on EPA TRI filings.
Eog Resources Inc. T. R. Marshall Hub Form-R facts
Compare this facility
See how Eog Resources Inc. T. R. Marshall Hub stacks up against nearby facilities and the typical reporter.
13% 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 Eog Resources Inc. T. R. Marshall Hub releases toxic chemicals into the environment. Total: 62.5K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases increased by 48% (25.3K lbs to 37.3K lbs).
Eog Resources Inc. T. R. Marshall Hub: annual Form-R pounds
LIGHT site · MIXED pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Eog Resources Inc. T. R. Marshall Hub year-over-year reported totals (increased by 48% 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 | 25.3K lbs | 11 |
| 2023 | 37.3K lbs | 11 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 3 of 11 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Formaldehyde | 18.3K lbs | Carcinogen |
| n-Hexane | 12.0K lbs | - |
| m-Xylene | 11.3K lbs | - |
| Toluene | 7.4K lbs | - |
| Cyclohexane | 6.4K lbs | - |
| Benzene | 2.5K lbs | Carcinogen |
| Methanol | 2.4K lbs | - |
| p-Xylene | 965 lbs | - |
| o-Xylene | 720 lbs | - |
| Ethylbenzene | 720 lbs | Carcinogen |
| Ethylene glycol | 10 lbs | - |
Eog Resources Inc. T. R. Marshall Hub in Dewitt
Nearest TRI Facilities to Eog Resources Inc. T. R. Marshall Hub
Closest other reporters in Texas - including Eog Resources Inc Shiner Hub, Ranch Hand - 153, Yoakum Cryogenic Plant, 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. South Eddy Gas Plant, Wattenberg Gas Plant/ Anadarko Dj Gas Processing LLC, Cotton Valley Gas Plant.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Eog Resources Inc. T. R. Marshall Hub on cumulative reported pounds (62.5K lbs) and distinct chemical count (11). Release-pound peers include Electric Glass Fiber America LLC, Hussmann Corp, Championx-Evansville Plant 108. Chemical-count peers include Puerto Rico Energy LLC - Bayamon Terminal, Lanco Manufacturing Corp, Buckeye Caribbean Terminals LLC (former Scyi). 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.
- Electric Glass Fiber America LLC Shelby, NC · Nonmetallic Mineral Product 62.6K lbs reported
- Hussmann Corp Bridgeton, MO · Fabricated Metals 62.6K lbs reported
- Championx-Evansville Plant 108 Evansville, WY · Miscellaneous Manufacturing 62.5K lbs reported
- Flexsys America LP Krummrich Sauget, IL · Chemicals 62.5K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Puerto Rico Energy LLC - Bayamon Terminal Bayamon, PR · Petroleum Bulk Terminals 11 chemicals
- Lanco Manufacturing Corp San Lorenzo, PR · Chemicals 11 chemicals
- Buckeye Caribbean Terminals LLC (former Scyi) Yabucoa, PR · Petroleum Bulk Terminals 11 chemicals
- Limetree Bay Terminals LLC DBA Ocean Point Terminals Christiansted, VI · Petroleum Bulk Terminals 11 chemicals
Other Eog Resources Inc Facilities
Same-parent TRI sites ranked by reported releases - including Eog Resources Inc Titan Hub, Eog Resources Inc Shiner Hub, Eog Resources Inc Lyssy Hub.
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, m-Xylene, Toluene; nearby reporters include Eog Resources Inc Shiner Hub. Eog Resources Inc. T. R. Marshall Hub stamps LIGHT volume · MIXED pathway · CARC-MID 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 Eog Resources Inc. T. R. Marshall Hub TRI extract (LIGHT · MIXED · CARC-MID · lead Formaldehyde) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Eog Resources Inc. T. R. Marshall Hub totals are self-reported EPCRA §313 estimates for Gonzales, TX, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 49.5% of Dewitt TRI pounds in this extract. Nearest ABS peer: Electric Glass Fiber America LLC (Δ 23 lbs). Pounds ≠ exposure.
Eog Resources Inc. T. R. Marshall Hub stamps LIGHT · MIXED pathway (off-site transfers leads at 52.0%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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