EPA TRI Facility · Natural Gas Processing
Williams Ohio Valley Midstream - Moundsville Fractionation P
Moundsville, WV · Parent: The Williams Cos
- Total releases
- 25.5K lbs
- Chemicals reported
- 4
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Williams Ohio Valley Midstream - Moundsville Fractionation P: how the 25.5K lbs splits
25.5K lbs across all reported pathways
- Air Releases 25.3K lbs 99.5%
- Off-site Transfers 124 lbs 0.5%
Williams Ohio Valley Midstream - Moundsville Fractionation P's 25.5K 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: 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 TRACE-CARC
Williams Ohio Valley Midstream - Moundsville Fractionation P is an EPA Toxics Release Inventory reporter in Moundsville, WV, in the natural gas processing sector. It reported 13.5K lbs of releases across 4 chemicals in 2023, and 25.5K lbs in total across its 2022-2023 reporting years. That ranks 7,688 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. Williams Ohio Valley Midstream - Moundsville Fractionation P is pounds #77 and chemical-count #73 at 25.5K 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: American Electric Power Kammer/mitchell Plant; Marshall County Coal Resources Inc.; Covestro; Westlake Natrium LLC. Similar-scale Natural Gas Processing peers outside West Virginia: Dubach Gas Plant; Riverside Fractionation Plant; Stateline Complex; Rebel Gas 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; Cyclohexane; Benzene; Ethylbenzene.
Williams Ohio Valley Midstream - Moundsville Fractionation P stamps LIGHT volume with a dominant AIR pathway (99.5% air releases) across 4 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 25.5K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Dubach Gas Plant and Riverside Fractionation Plant.
Williams Ohio Valley Midstream - Moundsville Fractionation P vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
25K lbs Top 30% higher than 70% 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
Williams Ohio Valley Midstream - Moundsville Fractionation P: n-Hexane-led volume
Among the 339 Natural Gas Processing facilities in this database, Williams Ohio Valley Midstream - Moundsville Fractionation P reports the 161st-largest volume (25.5K lbs). Its reported volume is concentrated rather than spread: n-Hexane alone is 82.9% of the total. Scale peers outside West Virginia include Dubach Gas Plant and Riverside Fractionation Plant.
Concentrated means ≥60% of Williams Ohio Valley Midstream - Moundsville Fractionation P's pounds in one chemical - here n-Hexane at 82.9%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Williams Ohio Valley Midstream - Moundsville Fractionation P's total reported releases rose from 12.0 thousand lb in 2022 to 13.5 thousand lb in 2023, based on EPA TRI filings.
- Williams Ohio Valley Midstream - Moundsville Fractionation P's off-site transfers rose from 37 lb in 2022 to 87 lb in 2023, based on EPA TRI filings.
- Williams Ohio Valley Midstream - Moundsville Fractionation P's air releases rose from 12.0 thousand lb in 2022 to 13.4 thousand lb in 2023, based on EPA TRI filings.
Williams Ohio Valley Midstream - Moundsville Fractionation P Form-R facts
Compare this facility
See how Williams Ohio Valley Midstream - Moundsville Fractionation P stacks up against nearby facilities and the typical reporter.
99% less than the comparison
78% 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 Williams Ohio Valley Midstream - Moundsville Fractionation P releases toxic chemicals into the environment. Total: 25.5K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases increased by 12% (12.0K lbs to 13.5K lbs).
Williams Ohio Valley Midstream - Moundsville Fractionation P: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Williams Ohio Valley Midstream - Moundsville Fractionation P year-over-year reported totals (increased by 12% 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 | 12.0K lbs | 4 |
| 2023 | 13.5K lbs | 4 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 2 of 4 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 21.1K lbs | - |
| Cyclohexane | 4.1K lbs | - |
| Benzene | 147 lbs | Carcinogen |
| Ethylbenzene | 71 lbs | Carcinogen |
Williams Ohio Valley Midstream - Moundsville Fractionation P · AIR-pathway site
Nearest TRI Facilities to Williams Ohio Valley Midstream - Moundsville Fractionation P
Closest other reporters in West Virginia - including American Electric Power Kammer/mitchell Plant, Marshall County Coal Resources Inc., Covestro, 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. Dubach Gas Plant, Riverside Fractionation Plant, Stateline Complex.
Compare beyond West Virginia
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Williams Ohio Valley Midstream - Moundsville Fractionation P on cumulative reported pounds (25.5K lbs) and distinct chemical count (4). Release-pound peers include Dubach Gas Plant, Multi-Chem Group Midland Tx Facility, Tac Manufacturing Inc. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Solenis 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.
- Dubach Gas Plant Dubach, LA · Natural Gas Processing 25.4K lbs reported
- Multi-Chem Group Midland Tx Facility Midland, TX · Chemical Wholesalers 25.5K lbs reported
- Tac Manufacturing Inc Jackson, MI · Transportation Equipment 25.4K lbs reported
- Golden Vertex Corp Bullhead City, AZ · Metal Mining 25.4K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Hamilton Sundstrand de Puerto Rico Inc. Santa Isabel, PR · Transportation Equipment 4 chemicals
- Abb Installation Products Caribe LLC Vega Baja, PR · Electrical Equipment 4 chemicals
- Solenis LLC Chicopee, MA · Chemicals 4 chemicals
- Adhesive Applications Inc. - O'Neill St Easthampton Easthampton, MA · Miscellaneous Manufacturing 4 chemicals
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, Cyclohexane, Benzene, Ethylbenzene; nearby reporters include American Electric Power Kammer/mitchell Plant. Williams Ohio Valley Midstream - Moundsville Fractionation P stamps LIGHT volume · AIR pathway · TRACE-CARC 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 Williams Ohio Valley Midstream - Moundsville Fractionation P TRI extract (LIGHT · AIR · TRACE-CARC · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Williams Ohio Valley Midstream - Moundsville Fractionation P 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. 0.5% of Marshall TRI pounds in this extract. Nearest ABS peer: Dubach Gas Plant (Δ 7 lbs). Pounds ≠ exposure.
Williams Ohio Valley Midstream - Moundsville Fractionation P stamps LIGHT volume · AIR pathway · TRACE-CARC · 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