EPA TRI Facility · Natural Gas Processing
Mobley Gas Plant
Smithfield, WV · Parent: Marathon Petroleum Corp
- Total releases
- 5.0K lbs
- Chemicals reported
- 5
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Mobley Gas Plant: how the 5.0K lbs splits
5.0K lbs across all reported pathways
- Air Releases 5.0K lbs 100.0%
Mobley Gas Plant's 5.0K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: n-Hexane.
LIGHT volume AIR pathway CLEAN
Mobley Gas Plant is an EPA Toxics Release Inventory reporter in Smithfield, WV, in the natural gas processing sector. It reported 2.4K lbs of releases across 5 chemicals in 2023, and 5.0K lbs in total across its 2022-2023 reporting years. That ranks 11,204 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. Mobley Gas Plant is pounds #112 and chemical-count #61 at 5.0K 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: Allegheny Wood Products Inc. Mill #11; Marion County Coal Resources Inc.; Hastings Extraction Plant; Harrison County Coal Resources. Similar-scale Natural Gas Processing peers outside West Virginia: Hopedale Fractionating Facility; Keenesburg Gas Plant; Whiting Oil & Gas Corp LLC - Ray Gas Plant; Panola II Gas Plant. Other Marathon Petroleum Corp sites in this extract: Blanchard Refining Co LLC; Marathon Petroleum Co LP; Marathon Mandan Refinery; Catlettsburg Refining LLC. Largest disclosed chemicals by pounds: n-Hexane; 1,3-Butadiene; Ethylene; Ethylene glycol.
Mobley Gas Plant stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 5 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 5.0K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Hopedale Fractionating Facility and Keenesburg Gas Plant.
Mobley Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
5.0K lbs Top 43% higher than 57% 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
Mobley Gas Plant inside Wetzel's TRI pounds
Among the 339 Natural Gas Processing facilities in this database, Mobley Gas Plant reports the 272nd-largest volume (5.0K lbs). This one site accounts for 75.0% of every pound reported in Wetzel. Its reported volume is concentrated rather than spread: n-Hexane alone is 100% of the total. Scale peers outside West Virginia include Hopedale Fractionating Facility and Keenesburg Gas Plant.
County-dominant here means ≥25% of Wetzel's reported pounds (6.7K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Mobley Gas Plant's total reported releases fell from 2.6 thousand lb in 2022 to 2.4 thousand lb in 2023, based on EPA TRI filings.
- Mobley Gas Plant's air releases fell from 2.6 thousand lb in 2022 to 2.4 thousand lb in 2023, based on EPA TRI filings.
Mobley Gas Plant Form-R facts
Compare this facility
See how Mobley Gas Plant stacks up against nearby facilities and the typical reporter.
3210.9× more than the comparison
2.5× 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 Mobley Gas Plant releases toxic chemicals into the environment. Total: 5.0K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 7% (2.6K lbs to 2.4K lbs).
Mobley Gas Plant: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Mobley Gas Plant year-over-year reported totals (decreased by 7% 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 | 2.6K lbs | 5 |
| 2023 | 2.4K lbs | 5 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 1 of 5 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 5.0K lbs | - |
| 1,3-Butadiene | 0 lbs | Carcinogen |
| Ethylene | 0 lbs | - |
| Ethylene glycol | 0 lbs | - |
| Methanol | 0 lbs | - |
Mobley Gas Plant · AIR-pathway site
Nearest TRI Facilities to Mobley Gas Plant
Closest other reporters in West Virginia - including Allegheny Wood Products Inc. Mill #11, Marion County Coal Resources Inc., Hastings Extraction Plant, 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. Hopedale Fractionating Facility, Keenesburg Gas Plant, Whiting Oil & Gas Corp LLC - Ray Gas Plant.
Compare beyond West Virginia
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Mobley Gas Plant on cumulative reported pounds (5.0K lbs) and distinct chemical count (5). Release-pound peers include Pmc Organometallix Inc, Sonoco Metal Packaging LLC, Pendleton Woolen Mills. 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Marathon Petroleum Corp Facilities
Same-parent TRI sites ranked by reported releases - including Blanchard Refining Co LLC, Marathon Petroleum Co LP, Marathon Mandan Refinery.
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, 1,3-Butadiene, Ethylene, Ethylene glycol; nearby reporters include Allegheny Wood Products Inc. Mill #11. Mobley Gas Plant stamps LIGHT volume · AIR pathway · CLEAN 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 Mobley Gas Plant TRI extract (LIGHT · AIR · CLEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Mobley Gas Plant totals are self-reported EPCRA §313 estimates for Smithfield, WV, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 75.0% of Wetzel TRI pounds in this extract. Nearest ABS peer: Pendleton Woolen Mills (Δ 0 lbs). Pounds ≠ exposure.
Mobley Gas Plant stamps LIGHT volume · AIR pathway · CLEAN · 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