EPA TRI Facility · Petroleum
Convent Refinery
Convent, LA · Parent: Shell Oil Products US
- Total releases
- 1.2M lbs
- Chemicals reported
- 41
- Carcinogens
- 12
- Primary pathway
- Water Discharges
MIXED Form-R mix
Convent Refinery: how the 1.2M lbs splits
1.2M lbs across all reported pathways
- Water Discharges 555.9K lbs 46.4%
- Air Releases 535.7K lbs 44.7%
- Off-site Transfers 97.5K lbs 8.1%
- Land Disposal 8.3K lbs 0.7%
Convent Refinery's 1.2M lbs Form-R total is MIXED - water discharges is 46.4% of the bar. Next segment: air releases at 44.7%. Leading chemical by pounds: Ammonia.
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.
HEAVY volume MIXED pathway CARC-LEAN
Convent Refinery is an EPA Toxics Release Inventory reporter in Convent, LA, in the petroleum sector. It reported 21.1K lbs of releases across 7 chemicals in 2023, and 1.2M lbs in total across its 2019-2023 reporting years. That ranks 1,176 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. Convent Refinery is pounds #69 and chemical-count #15 at 1.2M 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 fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Valero Donaldsonville Asphalt Terminal; Mosaic Phosphates Co Faustina Plant; Americas Styrenics LLC; Millennium Galvanizing LLC. Similar-scale Petroleum peers outside Louisiana: Hollyfrontier Navajo Refining LLC - Artesia Refinery; Haverhill Coke Co LLC; Hf Siinclair Tulsa Refining LLC East Facility; Koppers Follansbee Tar Plant. Other Shell Oil Products US sites in this extract: Shell Lubricant; Shell Fowlerville; Pennzoil-Quaker State (dba Sopus Products); Pennzoil-Quaker State Co (dba Sopus Products Lalp). Largest disclosed chemicals by pounds: Ammonia; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); n-Hexane.
Convent Refinery is a HEAVY · MIXED-pathway Form-R site in Convent, LA: 1.2M lbs across 41 chemicals (12 carcinogen-classified, CARC-LEAN). No single media clears 70% of the bar (lead segment water discharges at 46.4%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Hollyfrontier Navajo Refining LLC - Artesia Refinery and Haverhill Coke Co LLC.
Convent Refinery vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.2M lbs Top 5% higher than 95% 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
Convent Refinery in the Petroleum sector extract
Among the 902 Petroleum facilities in this database, Convent Refinery reports the 70th-largest volume, placing it in the top 7.8% of its sector. Scale peers outside Louisiana include Hollyfrontier Navajo Refining LLC - Artesia Refinery and Haverhill Coke Co LLC.
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
- Convent Refinery's total reported releases fell from 60.8 thousand lb in 2022 to 21.1 thousand lb in 2023, based on EPA TRI filings.
- Convent Refinery's water releases fell from 31.1 thousand lb in 2022 to 51 lb in 2023, based on EPA TRI filings.
- Convent Refinery's off-site transfers fell from 257 lb in 2022 to 20 lb in 2023, based on EPA TRI filings.
- Convent Refinery's chemicals reported fell from 11 in 2022 to 7 in 2023, based on EPA TRI filings.
Convent Refinery Form-R facts
Compare this facility
See how Convent Refinery stacks up against nearby facilities and the typical reporter.
4625.1× more than the comparison
6.8× 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 Convent Refinery releases toxic chemicals into the environment. Total: 1.2M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 96% (547.6K lbs to 21.1K lbs).
Convent Refinery: annual Form-R pounds
HEAVY site · MIXED pathway · TRI years 2019–2023
- 2019
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Convent Refinery year-over-year reported totals (decreased by 96% from 2019 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 547.6K lbs | 34 |
| 2020 | 418.5K lbs | 35 |
| 2021 | 149.4K lbs | 12 |
| 2022 | 60.8K lbs | 11 |
| 2023 | 21.1K lbs | 7 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 12 of 41 chemicals are carcinogens. Sorted by total release volume.
Convent Refinery in St. James Parish
Nearest TRI Facilities to Convent Refinery
Closest other reporters in Louisiana - including Valero Donaldsonville Asphalt Terminal, Mosaic Phosphates Co Faustina Plant, Americas Styrenics LLC, ordered by distance.
Showing 8 of 416 other reporting facilities in Louisiana.
Similar Petroleum Facilities
Other Petroleum facilities with similar total release volumes (±80%), outside Louisiana - e.g. Hollyfrontier Navajo Refining LLC - Artesia Refinery, Haverhill Coke Co LLC, Hf Siinclair Tulsa Refining LLC East Facility.
Compare beyond Louisiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Convent Refinery on cumulative reported pounds (1.2M lbs) and distinct chemical count (41). Release-pound peers include Fairborn Cement Co, US Ecology Vernon Inc., Southwest Galvanizing Inc. Chemical-count peers include Bp Products Na Whiting Business Unit, Corteva Agriscience LLC - Midland, Martinez Refining Co 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 Shell Oil Products US Facilities
Same-parent TRI sites ranked by reported releases - including Shell Lubricant, Shell Fowlerville, Pennzoil-Quaker State (dba Sopus Products).
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 Ammonia, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), n-Hexane; nearby reporters include Valero Donaldsonville Asphalt Terminal. Convent Refinery stamps HEAVY volume · MIXED 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 Convent Refinery TRI extract (HEAVY · MIXED · CARC-LEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Convent Refinery totals are self-reported EPCRA §313 estimates for Convent, LA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324110 · Petroleum. 9.7% of St. James Parish TRI pounds in this extract. Nearest ABS peer: Fairborn Cement Co (Δ 1.8K lbs). Pounds ≠ exposure.
Convent Refinery stamps HEAVY · MIXED pathway (water discharges leads at 46.4%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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