EPA TRI Facility · Natural Gas Processing
Hickory Hills Gas Plant
Stuart, OK · Parent: Targa Resources Corp
- Total releases
- 17.4K lbs
- Chemicals reported
- 5
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Hickory Hills Gas Plant: how the 17.4K lbs splits
17.4K lbs across all reported pathways
- Air Releases 14.0K lbs 80.8%
- Off-site Transfers 3.3K lbs 19.2%
Hickory Hills Gas Plant's 17.4K lbs Form-R total is AIR - air releases is 80.8% of the bar. Next segment: off-site transfers at 19.2%. 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
Hickory Hills Gas Plant is an EPA Toxics Release Inventory reporter in Stuart, OK, in the natural gas processing sector. It reported 3.5K lbs of releases across 3 chemicals in 2023, and 17.4K lbs in total across its 2022-2023 reporting years. That ranks 8,565 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Oklahoma's 350 reporting TRI sites, pounds #1 is not chemical-count #1. Hickory Hills Gas Plant is pounds #151 and chemical-count #114 at 17.4K lbs. International Paper Co leads reported pounds (28.8M lbs) at 21 chemicals (chemical-count #10). Clean Harbors Lone Mountain LLC Lone Mountain Facility leads chemical count at 51 chemicals (15.9M lbs, pounds #3). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Northridge Gas Plant; Panther Creek Processing Facility; Wetumka Gas Processing Plant; US Army McAlester Army Ammunition Plant. Similar-scale Natural Gas Processing peers outside Oklahoma: Nesson Gas Plant; Hawkins Gas Plant; Wild Basin Gas Processing &crude Handling Facility; Lancaster Gas Processing 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; n-Hexane; Cyclohexane; Benzene.
Hickory Hills Gas Plant stamps LIGHT volume with a dominant AIR pathway (80.8% air releases) across 5 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 17.4K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Nesson Gas Plant and Hawkins Gas Plant.
Hickory Hills Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
17K lbs Top 33% higher than 67% 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
Hickory Hills Gas Plant: Formaldehyde-led volume
Among the 339 Natural Gas Processing facilities in this database, Hickory Hills Gas Plant reports the 182nd-largest volume (17.4K lbs). Its reported volume is concentrated rather than spread: Formaldehyde alone is 78.2% of the total. Carcinogen-classified chemicals make up 79.7% of the reported pounds, not just of the chemical count. Scale peers outside Oklahoma include Nesson Gas Plant and Hawkins Gas Plant.
Concentrated means ≥60% of Hickory Hills Gas Plant's pounds in one chemical - here Formaldehyde at 78.2%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Hickory Hills Gas Plant's total reported releases fell from 13.9 thousand lb in 2022 to 3.5 thousand lb in 2023, based on EPA TRI filings.
- Hickory Hills Gas Plant's off-site transfers rose from 15 lb in 2022 to 3.3 thousand lb in 2023, based on EPA TRI filings.
- Hickory Hills Gas Plant's air releases fell from 13.9 thousand lb in 2022 to 190 lb in 2023, based on EPA TRI filings.
- Hickory Hills Gas Plant's chemicals reported fell from 5 in 2022 to 3 in 2023, based on EPA TRI filings.
Hickory Hills Gas Plant Form-R facts
Compare this facility
See how Hickory Hills Gas Plant stacks up against nearby facilities and the typical reporter.
25% more than the comparison
55% 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 Hickory Hills Gas Plant releases toxic chemicals into the environment. Total: 17.4K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 75% (13.9K lbs to 3.5K lbs).
Hickory Hills Gas Plant: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Hickory Hills Gas Plant year-over-year reported totals (decreased by 75% 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 | 13.9K lbs | 5 |
| 2023 | 3.5K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 2 of 5 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Formaldehyde | 13.6K lbs | Carcinogen |
| n-Hexane | 2.7K lbs | - |
| Cyclohexane | 837 lbs | - |
| Benzene | 255 lbs | Carcinogen |
| Methanol | 0 lbs | - |
Hickory Hills Gas Plant · AIR-pathway site
Nearest TRI Facilities to Hickory Hills Gas Plant
Closest other reporters in Oklahoma - including Northridge Gas Plant, Panther Creek Processing Facility, Wetumka Gas Processing Plant, ordered by distance.
Showing 8 of 349 other reporting facilities in Oklahoma.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Oklahoma - e.g. Nesson Gas Plant, Hawkins Gas Plant, Wild Basin Gas Processing &crude Handling Facility.
Compare beyond Oklahoma
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Hickory Hills Gas Plant on cumulative reported pounds (17.4K lbs) and distinct chemical count (5). Release-pound peers include Guardian Industries LLC, Greenwood Milk Products, New Flyer of America Inc. 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.
- Guardian Industries LLC Kingsburg, CA · Nonmetallic Mineral Product 17.4K lbs reported
- Greenwood Milk Products Greenwood, WI · Food 17.4K lbs reported
- New Flyer of America Inc Crookston, MN · Transportation Equipment 17.4K lbs reported
- Buckeye International Inc. Maryland Heights, MO · Chemicals 17.4K lbs reported
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, n-Hexane, Cyclohexane, Benzene; nearby reporters include Northridge Gas Plant. Hickory Hills 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 Hickory Hills 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.
Hickory Hills Gas Plant totals are self-reported EPCRA §313 estimates for Stuart, OK, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 21.0% of Hughes TRI pounds in this extract. Nearest ABS peer: Guardian Industries LLC (Δ 14 lbs). Pounds ≠ exposure.
Hickory Hills 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