EPA TRI Facility · Natural Gas Processing
Riverside Fractionation Plant
Geismar, LA · Parent: Enlink Midstream Operating LP
- Total releases
- 25.8K lbs
- Chemicals reported
- 7
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Riverside Fractionation Plant: how the 25.8K lbs splits
25.8K lbs across all reported pathways
- Air Releases 23.6K lbs 91.7%
- Water Discharges 1.7K lbs 6.7%
- Off-site Transfers 419 lbs 1.6%
Riverside Fractionation Plant's 25.8K lbs Form-R total is AIR - air releases is 91.7% of the bar. Next segment: water discharges at 6.7%. 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
Riverside Fractionation Plant is an EPA Toxics Release Inventory reporter in Geismar, LA, in the natural gas processing sector. It reported 13.8K lbs of releases across 6 chemicals in 2023, and 25.8K lbs in total across its 2022-2023 reporting years. That ranks 7,667 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Louisiana's 417 reporting TRI sites, pounds #1 is not chemical-count #1. Riverside Fractionation Plant is pounds #222 and chemical-count #143 at 25.8K lbs. Bayer Cropscience LP leads reported pounds (81.9M lbs) at 17 chemicals (chemical-count #52). Eco-Services Operations leads chemical count at 68 chemicals (163.5K lbs, pounds #136). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Tebone Fractionation Plant; Geismar Fractination Plant; Innophos Inc; Honeywell International Inc Geismar Plant. Similar-scale Natural Gas Processing peers outside Louisiana: Williams Ohio Valley Midstream - Moundsville Fractionation P; Rebel Gas Plant; Coalgate Tupelo Stonewall Gas Plant; Stateline Complex. Other Enlink Midstream Operating LP sites in this extract: Bridgeport Gas Processing Plant; Tom Stack LLC / Chisholm Plant; Cana Gas Processing Plant; Lobo Processing Plant. Largest disclosed chemicals by pounds: n-Hexane; Propylene; Toluene; Benzene.
Riverside Fractionation Plant stamps LIGHT volume with a dominant AIR pathway (91.7% air releases) across 7 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 25.8K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Williams Ohio Valley Midstream - Moundsville Fractionation P and Rebel Gas Plant.
Riverside Fractionation Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
26K 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
Riverside Fractionation Plant in the Natural Gas Processing sector extract
Among the 339 Natural Gas Processing facilities in this database, Riverside Fractionation Plant reports the 160th-largest volume (25.8K lbs). Scale peers outside Louisiana include Williams Ohio Valley Midstream - Moundsville Fractionation P and Rebel Gas Plant.
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
- Riverside Fractionation Plant's total reported releases rose from 11.9 thousand lb in 2022 to 13.8 thousand lb in 2023, based on EPA TRI filings.
- Riverside Fractionation Plant's water releases rose from 530 lb in 2022 to 1.2 thousand lb in 2023, based on EPA TRI filings.
- Riverside Fractionation Plant's off-site transfers fell from 419 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Riverside Fractionation Plant's air releases rose from 11.0 thousand lb in 2022 to 12.6 thousand lb in 2023, based on EPA TRI filings.
Riverside Fractionation Plant Form-R facts
Compare this facility
See how Riverside Fractionation Plant stacks up against nearby facilities and the typical reporter.
7.6× more than the comparison
40% 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 Riverside Fractionation Plant releases toxic chemicals into the environment. Total: 25.8K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases increased by 16% (11.9K lbs to 13.8K lbs).
Riverside Fractionation Plant: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Riverside Fractionation Plant year-over-year reported totals (increased by 16% 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 | 11.9K lbs | 7 |
| 2023 | 13.8K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 1 of 7 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 15.1K lbs | - |
| Propylene | 7.7K lbs | - |
| Toluene | 1.3K lbs | - |
| Benzene | 1.2K lbs | Carcinogen |
| Xylene (mixed isomers) | 274 lbs | - |
| Cyclohexane | 211 lbs | - |
| Ethylene | 20 lbs | - |
Riverside Fractionation Plant · AIR-pathway site
Nearest TRI Facilities to Riverside Fractionation Plant
Closest other reporters in Louisiana - including Tebone Fractionation Plant, Geismar Fractination Plant, Innophos Inc, ordered by distance.
Showing 8 of 416 other reporting facilities in Louisiana.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Louisiana - e.g. Williams Ohio Valley Midstream - Moundsville Fractionation P, Rebel Gas Plant, Coalgate Tupelo Stonewall Gas Plant.
Compare beyond Louisiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Riverside Fractionation Plant on cumulative reported pounds (25.8K lbs) and distinct chemical count (7). Release-pound peers include Tesoro East Hynes Terminal, Lake Region Medical Inc, Rea Magnet Wire Co. Chemical-count peers include Hubbell Caribe Ltd, Celanese Microcircuits Industries Ltd., Virgin Islands Water & Power Authority. 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.
- Tesoro East Hynes Terminal Long Beach, CA · Petroleum Bulk Terminals 25.8K lbs reported
- Lake Region Medical Inc Chaska, MN · Miscellaneous Manufacturing 25.8K lbs reported
- Rea Magnet Wire Co Lafayette, IN · Primary Metals 25.7K lbs reported
- Multi-Plastics Extrusions Inc. Hazleton, PA · Plastics and Rubber 25.7K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Enlink Midstream Operating LP Facilities
Same-parent TRI sites ranked by reported releases - including Bridgeport Gas Processing Plant, Tom Stack LLC / Chisholm Plant, Cana Gas Processing 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, Propylene, Toluene, Benzene; nearby reporters include Tebone Fractionation Plant. Riverside Fractionation 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 Riverside Fractionation 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.
Riverside Fractionation Plant totals are self-reported EPCRA §313 estimates for Geismar, LA, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 0.0% of Ascension Parish TRI pounds in this extract. Nearest ABS peer: Tesoro East Hynes Terminal (Δ 4 lbs). Pounds ≠ exposure.
Riverside Fractionation 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