EPA TRI Facility · Natural Gas Processing
Oak Grove Plant
Moundsville, WV · Parent: The Williams Cos
- Total releases
- 9.4K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Oak Grove Plant: how the 9.4K lbs splits
9.4K lbs across all reported pathways
- Air Releases 9.0K lbs 95.4%
- Off-site Transfers 430 lbs 4.6%
Oak Grove Plant's 9.4K lbs Form-R total is AIR - air releases is 95.4% of the bar. Next segment: off-site transfers at 4.6%. Leading chemical by pounds: n-Hexane.
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-LEAN
Oak Grove Plant is an EPA Toxics Release Inventory reporter in Moundsville, WV, in the natural gas processing sector. It reported 4.1K lbs of releases across 3 chemicals in 2023, and 9.4K lbs in total across its 2022-2023 reporting years. That ranks 9,945 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In West Virginia's 182 reporting TRI sites, pounds #1 is not chemical-count #1. Oak Grove Plant is pounds #103 and chemical-count #90 at 9.4K lbs. Harrison Power Station leads reported pounds (32.5M lbs) at 29 chemicals (chemical-count #2). Mount Storm Power Station leads chemical count at 31 chemicals (5.6M lbs, pounds #7). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Clearfork Processing Plant; American Electric Power Kammer/mitchell Plant; Marshall County Coal Resources Inc.; Williams Ohio Valley Midstream - Moundsville Fractionation P. Similar-scale Natural Gas Processing peers outside West Virginia: Utica Condensate Stabilization Facility (0634005057); Roger Mills Gas Processing Plant; Mentone Gas Plant; Bucking Horse Plant. Other The Williams Cos sites in this extract: Mid-Continent Fractionation & Storage Conway Fra; Echo Springs Gas Plant; Opal Gas Plant; Discovery Producer Services:larose Cryogenic Plant. Largest disclosed chemicals by pounds: n-Hexane; Ethylbenzene; Cyclohexane.
Oak Grove Plant stamps LIGHT volume with a dominant AIR pathway (95.4% air releases) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 9.4K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Utica Condensate Stabilization Facility (0634005057) and Roger Mills Gas Processing Plant.
Oak Grove Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
9.4K lbs Top 38% higher than 62% 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
Oak Grove Plant: n-Hexane-led volume
Among the 339 Natural Gas Processing facilities in this database, Oak Grove Plant reports the 235th-largest volume (9.4K lbs). Its reported volume is concentrated rather than spread: n-Hexane alone is 74.3% of the total. Scale peers outside West Virginia include Utica Condensate Stabilization Facility (0634005057) and Roger Mills Gas Processing Plant.
Concentrated means ≥60% of Oak Grove Plant's pounds in one chemical - here n-Hexane at 74.3%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Oak Grove Plant's total reported releases fell from 5.3 thousand lb in 2022 to 4.1 thousand lb in 2023, based on EPA TRI filings.
- Oak Grove Plant's off-site transfers fell from 430 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Oak Grove Plant's air releases fell from 4.9 thousand lb in 2022 to 4.1 thousand lb in 2023, based on EPA TRI filings.
Oak Grove Plant Form-R facts
Compare this facility
See how Oak Grove Plant stacks up against nearby facilities and the typical reporter.
87% less than the comparison
50% 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 Oak Grove Plant releases toxic chemicals into the environment. Total: 9.4K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 23% (5.3K lbs to 4.1K lbs).
Oak Grove Plant: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Oak Grove Plant year-over-year reported totals (decreased by 23% 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: n-Hexane.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 5.3K lbs | 3 |
| 2023 | 4.1K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 7.0K lbs | - |
| Ethylbenzene | 2.0K lbs | Carcinogen |
| Cyclohexane | 431 lbs | - |
Oak Grove Plant · AIR-pathway site
Nearest TRI Facilities to Oak Grove Plant
Closest other reporters in West Virginia - including Clearfork Processing Plant, American Electric Power Kammer/mitchell Plant, Marshall County Coal Resources Inc., ordered by distance.
Showing 8 of 181 other reporting facilities in West Virginia.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside West Virginia - e.g. Utica Condensate Stabilization Facility (0634005057), Roger Mills Gas Processing Plant, Mentone Gas Plant.
Compare beyond West Virginia
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Oak Grove Plant on cumulative reported pounds (9.4K lbs) and distinct chemical count (3). Release-pound peers include Inchem Corp, Royal Chemical Co, Fcc Lompoc. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International Inc. 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 The Williams Cos Facilities
Same-parent TRI sites ranked by reported releases - including Mid-Continent Fractionation & Storage Conway Fra, Echo Springs Gas Plant, Opal 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 n-Hexane, Ethylbenzene, Cyclohexane; nearby reporters include Clearfork Processing Plant. Oak Grove Plant stamps LIGHT volume · AIR pathway · CARC-LEAN 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 Oak Grove Plant TRI extract (LIGHT · AIR · CARC-LEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Oak Grove Plant totals are self-reported EPCRA §313 estimates for Moundsville, WV, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 0.2% of Marshall TRI pounds in this extract. Nearest ABS peer: Inchem Corp (Δ 1 lbs). Pounds ≠ exposure.
Oak Grove Plant stamps LIGHT volume · AIR pathway · CARC-LEAN · lead n-Hexane. 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