EPA TRI Facility · Natural Gas Processing
Mertzon Gas Plant
Mertzon, TX · Parent: Targa Resources Corp
- Total releases
- 27.2K lbs
- Chemicals reported
- 10
- Carcinogens
- 3
- Primary pathway
- Air Releases
AIR Form-R mix
Mertzon Gas Plant: how the 27.2K lbs splits
27.2K lbs across all reported pathways
- Air Releases 27.0K lbs 99.5%
- Off-site Transfers 148 lbs 0.5%
Mertzon Gas Plant's 27.2K lbs Form-R total is AIR - air releases is 99.5% of the bar. Next segment: off-site transfers at 0.5%. 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
Mertzon Gas Plant is an EPA Toxics Release Inventory reporter in Mertzon, TX, in the natural gas processing sector. It reported 5.5K lbs of releases across 9 chemicals in 2023, and 27.2K lbs in total across its 2022-2023 reporting years. That ranks 7,541 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. Mertzon Gas Plant is pounds #736 and chemical-count #282 at 27.2K 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 fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Ingram Concrete - San Angelo 1; Ingram Concrete - San Angelo 2; W&w-Afco Steel LLC; Long Industries Carlsbad Facility. Similar-scale Natural Gas Processing peers outside Texas: Natrium Gas Plant; Panther Creek Processing Facility; Coalgate Tupelo Stonewall Gas Plant; Lonesome Creek Gas Plant. Other Targa Resources Corp sites in this extract: Sand Hills Gas Plant; Midway Gas Plant; Eunice Gas Plant; Monument Gas Plant. Largest disclosed chemicals by pounds: Formaldehyde; Benzene; n-Hexane; Toluene.
Mertzon Gas Plant stamps LIGHT volume with a dominant AIR pathway (99.5% air releases) across 10 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 27.2K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Natrium Gas Plant and Panther Creek Processing Facility.
Mertzon Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
27K lbs Top 29% higher than 71% 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
Mertzon Gas Plant inside Irion's TRI pounds
Among the 339 Natural Gas Processing facilities in this database, Mertzon Gas Plant reports the 157th-largest volume (27.2K lbs). This one site accounts for 100% of every pound reported in Irion. Its reported volume is concentrated rather than spread: Formaldehyde alone is 71.7% of the total. Carcinogen-classified chemicals make up 83.7% of the reported pounds, not just of the chemical count. Scale peers outside Texas include Natrium Gas Plant and Panther Creek Processing Facility.
County-dominant here means ≥25% of Irion's reported pounds (27.2K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Mertzon Gas Plant's total reported releases fell from 21.6 thousand lb in 2022 to 5.5 thousand lb in 2023, based on EPA TRI filings.
- Mertzon Gas Plant's off-site transfers rose from 50 lb in 2022 to 98 lb in 2023, based on EPA TRI filings.
- Mertzon Gas Plant's air releases fell from 21.6 thousand lb in 2022 to 5.5 thousand lb in 2023, based on EPA TRI filings.
- Mertzon Gas Plant's chemicals reported rose from 8 in 2022 to 9 in 2023, based on EPA TRI filings.
Mertzon Gas Plant Form-R facts
Compare this facility
See how Mertzon Gas Plant stacks up against nearby facilities and the typical reporter.
14536.4× more than the comparison
10.0× 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 Mertzon Gas Plant releases toxic chemicals into the environment. Total: 27.2K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 74% (21.6K lbs to 5.5K lbs).
Mertzon Gas Plant: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Mertzon Gas Plant year-over-year reported totals (decreased by 74% 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 | 21.6K lbs | 8 |
| 2023 | 5.5K lbs | 9 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 3 of 10 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Formaldehyde | 19.5K lbs | Carcinogen |
| Benzene | 3.2K lbs | Carcinogen |
| n-Hexane | 2.5K lbs | - |
| Toluene | 1.4K lbs | - |
| Xylene (mixed isomers) | 495 lbs | - |
| Cyclohexane | 10 lbs | - |
| Diethanolamine | 0 lbs | - |
| Methanol | 0 lbs | - |
| Ethylbenzene | 0 lbs | Carcinogen |
| Ethylene glycol | 0 lbs | - |
Mertzon Gas Plant · AIR-pathway site
Nearest TRI Facilities to Mertzon Gas Plant
Closest other reporters in Texas - including Ingram Concrete - San Angelo 1, Ingram Concrete - San Angelo 2, W&w-Afco Steel LLC, 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. Natrium Gas Plant, Panther Creek Processing Facility, Coalgate Tupelo Stonewall Gas Plant.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Mertzon Gas Plant on cumulative reported pounds (27.2K lbs) and distinct chemical count (10). Release-pound peers include Greenville Metals Inc, Trs Ceramics Inc. DBA Trs Technologies, Shearer's Foods. Chemical-count peers include Harris Paints Corp., Saint Thomas Bulk Terminal, Total Guaynabo Bulk Terminal. 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 Targa Resources Corp Facilities
Same-parent TRI sites ranked by reported releases - including Sand Hills Gas Plant, Midway Gas Plant, Eunice 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 Formaldehyde, Benzene, n-Hexane, Toluene; nearby reporters include Ingram Concrete - San Angelo 1. Mertzon 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 Mertzon 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.
Mertzon Gas Plant totals are self-reported EPCRA §313 estimates for Mertzon, TX, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 100% of Irion TRI pounds in this extract. Nearest ABS peer: Greenville Metals Inc (Δ 3 lbs). Pounds ≠ exposure.
Mertzon 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