EPA TRI Facility · Natural Gas Processing
Mobile Bay Gas Plant
Coden, AL · Parent: The Williams Cos
- Total releases
- 422 lbs
- Chemicals reported
- 5
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Mobile Bay Gas Plant: how the 422 lbs splits
422 lbs across all reported pathways
- Air Releases 303 lbs 71.9%
- Off-site Transfers 119 lbs 28.1%
Mobile Bay Gas Plant's 422 lbs Form-R total is AIR - air releases is 71.9% of the bar. Next segment: off-site transfers at 28.1%. Leading chemical by pounds: n-Hexane.
TRACE volume AIR pathway CARC-LEAN
Mobile Bay Gas Plant is an EPA Toxics Release Inventory reporter in Coden, AL, in the natural gas processing sector. It reported 422 lbs of releases across 5 chemicals, summed over every year it filed. That ranks 15,014 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Alabama's 559 reporting TRI sites, Chemical Waste Management leads both reported pounds (95.6M lbs) and chemical count (98 chemicals). The two rankings do not invert in this pool. Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Williams Mobile Bay Gas Processing Facility; W&t Offshore Inc.; Basf Trilon M; Skw Quab Chemicals. Similar-scale Natural Gas Processing peers outside Alabama: Wheeler Gas Plant; Andeavor Field Services LLC - Stanley Compressor Station; Mocane Cryogenic Plant; Hemphill 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; Benzene; Toluene; Diethanolamine.
Compare Mobile Bay Gas Plant with
Nearest reporters in Alabama
- Williams Mobile Bay Gas Processing Facility Coden · 32.3K lbs
- W&t Offshore Inc. Theodore · 13.4K lbs
- Basf Trilon M Theodore · 55.4K lbs
- Skw Quab Chemicals Theodore · 3.5K lbs
Similar-scale Natural Gas Processing sites elsewhere: Wheeler Gas Plant (TX) · Andeavor Field Services LLC - Stanley Compressor Station (ND) · Mocane Cryogenic Plant (OK)
Mobile Bay Gas Plant stamps TRACE volume with a dominant AIR pathway (71.9% air releases) across 5 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 422 lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Wheeler Gas Plant and Andeavor Field Services LLC - Stanley Compressor Station.
Mobile Bay Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
422 lbs 42nd percentile higher than 42% 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
Mobile Bay Gas Plant in the Natural Gas Processing sector extract
Among the 339 Natural Gas Processing facilities in this database, Mobile Bay Gas Plant reports the 319th-largest volume (422 lbs). Scale peers outside Alabama include Wheeler Gas Plant and Andeavor Field Services LLC - Stanley Compressor Station.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Mobile Bay Gas Plant's total reported releases fell from 422 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Mobile Bay Gas Plant's air releases fell from 303 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Mobile Bay Gas Plant's off-site transfers fell from 119 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Mobile Bay Gas Plant's chemicals reported fell from 5 in 2022 to 2 in 2023, based on EPA TRI filings.
Mobile Bay Gas Plant Form-R facts
Compare this facility
See how Mobile Bay Gas Plant stacks up against nearby facilities and the typical reporter.
99% less 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 Mobile Bay Gas Plant releases toxic chemicals into the environment. Total: 422 lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 100% (422 lbs to 0 lbs).
Mobile Bay Gas Plant: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Mobile Bay Gas Plant year-over-year reported totals (decreased by 100% 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 | 422 lbs | 5 |
| 2023 | 0 lbs | 2 |
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 | 274 lbs | - |
| Benzene | 76 lbs | Carcinogen |
| Toluene | 72 lbs | - |
| Diethanolamine | 0 lbs | - |
| Ethylene glycol | 0 lbs | - |
Mobile Bay Gas Plant · AIR-pathway site
Nearest TRI Facilities to Mobile Bay Gas Plant
Closest other reporters in Alabama - including Williams Mobile Bay Gas Processing Facility, W&t Offshore Inc., Basf Trilon M, ordered by distance.
Showing 8 of 558 other reporting facilities in Alabama.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Alabama - e.g. Wheeler Gas Plant, Andeavor Field Services LLC - Stanley Compressor Station, Mocane Cryogenic Plant.
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, Benzene, Toluene, Diethanolamine; nearby reporters include Williams Mobile Bay Gas Processing Facility. Mobile Bay Gas Plant stamps TRACE 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 Mobile Bay Gas Plant TRI extract (TRACE · AIR · CARC-LEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Mobile Bay Gas Plant totals are self-reported EPCRA §313 estimates for Coden, AL, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 0.0% of Mobile TRI pounds in this extract. Nearest ABS peer: US Gypsum Co. (Δ 0 lbs). Pounds ≠ exposure.
Mobile Bay Gas Plant stamps TRACE 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