EPA TRI Facility · Natural Gas Processing
Midmar East
Tarzan, TX · Parent: Enlink Midstream Operating LP
- Total releases
- 22.4K lbs
- Chemicals reported
- 6
- Carcinogens
- 2
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Midmar East: how the 22.4K lbs splits
22.4K lbs across all reported pathways
- Off-site Transfers 22.3K lbs 99.4%
- Air Releases 138 lbs 0.6%
Midmar East's 22.4K lbs Form-R total is OFFSITE - off-site transfers is 99.4% of the bar. Next segment: air releases at 0.6%. Leading chemical by pounds: Benzene.
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 OFFSITE pathway CARC-MID
Midmar East is an EPA Toxics Release Inventory reporter in Tarzan, TX, in the natural gas processing sector. It reported 12.0K lbs of releases across 6 chemicals in 2023, and 22.4K lbs in total across its 2022-2023 reporting years. That ranks 7,988 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. Midmar East is pounds #778 and chemical-count #562 at 22.4K 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: Red Lake Gas Plant; Riptide Plant; Buffalo Gas Plant; Lf Manufacturing Stanton Plant. Similar-scale Natural Gas Processing peers outside Texas: Etc Northeast Pipeline/galaxy Comp Sta; Seneca Gas Processing Plant; Redcliff Plant; Calumet Gas Processing Plant. Other Enlink Midstream Operating LP sites in this extract: Bridgeport Gas Processing Plant; Tom Stack LLC / Chisholm Plant; Cana Gas Processing Plant; Lobo Processing Plant. Largest disclosed chemicals by pounds: Benzene; n-Hexane; Ethylbenzene; Methanol.
Midmar East stamps LIGHT volume with a dominant OFFSITE pathway (99.4% off-site transfers) across 6 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 22.4K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Etc Northeast Pipeline/galaxy Comp Sta and Seneca Gas Processing Plant.
Midmar East vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
22K lbs Top 31% higher than 69% 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
Midmar East in the Natural Gas Processing sector extract
Among the 339 Natural Gas Processing facilities in this database, Midmar East reports the 171st-largest volume (22.4K lbs). Scale peers outside Texas include Etc Northeast Pipeline/galaxy Comp Sta and Seneca Gas Processing Plant.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Midmar East's total reported releases rose from 10.4 thousand lb in 2022 to 12.0 thousand lb in 2023, based on EPA TRI filings.
- Midmar East's air releases fell from 75 lb in 2022 to 63 lb in 2023, based on EPA TRI filings.
- Midmar East's off-site transfers rose from 10.3 thousand lb in 2022 to 12.0 thousand lb in 2023, based on EPA TRI filings.
Midmar East Form-R facts
Compare this facility
See how Midmar East stacks up against nearby facilities and the typical reporter.
5.5× more 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 Midmar East releases toxic chemicals into the environment. Total: 22.4K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases increased by 16% (10.4K lbs to 12.0K lbs).
Midmar East: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Midmar East year-over-year reported totals (increased by 16% 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: Benzene.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 10.4K lbs | 6 |
| 2023 | 12.0K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 2 of 6 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Benzene | 11.2K lbs | Carcinogen |
| n-Hexane | 11.2K lbs | - |
| Ethylbenzene | 20 lbs | Carcinogen |
| Methanol | 20 lbs | - |
| Toluene | 20 lbs | - |
| Xylene (mixed isomers) | 20 lbs | - |
Midmar East · OFFSITE-pathway site
Nearest TRI Facilities to Midmar East
Closest other reporters in Texas - including Red Lake Gas Plant, Riptide Plant, Buffalo Gas 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. Etc Northeast Pipeline/galaxy Comp Sta, Seneca Gas Processing Plant, Redcliff Plant.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Midmar East on cumulative reported pounds (22.4K lbs) and distinct chemical count (6). Release-pound peers include Specialty Ring Products Inc, Cascade Corp, Central Indiana Ethanol LLC. Chemical-count peers include Eaton Intelligent Power Ltd, Leoni Wire Inc, Turf Care Supply-Hatfield Plant. 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 Enlink Midstream Operating LP Facilities
Same-parent TRI sites ranked by reported releases - including Bridgeport Gas Processing Plant, Tom Stack LLC / Chisholm Plant, Cana Gas Processing 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 Benzene, n-Hexane, Ethylbenzene, Methanol; nearby reporters include Red Lake Gas Plant. Midmar East stamps LIGHT volume · OFFSITE 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 Midmar East TRI extract (LIGHT · OFFSITE · CARC-MID · lead Benzene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Midmar East totals are self-reported EPCRA §313 estimates for Tarzan, TX, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 4.5% of Martin TRI pounds in this extract. Nearest ABS peer: Specialty Ring Products Inc (Δ 2 lbs). Pounds ≠ exposure.
Midmar East stamps LIGHT volume · OFFSITE pathway · CARC-MID · lead Benzene. 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