EPA TRI Facility · Petroleum
Lion Oil Co
El Dorado, AR · Parent: Delek US Holdings Inc
- Total releases
- 2.0M lbs
- Chemicals reported
- 13
- Carcinogens
- 4
- Primary pathway
- Water Discharges
MIXED Form-R mix
Lion Oil Co: how the 2.0M lbs splits
2.0M lbs across all reported pathways
- Water Discharges 1.3M lbs 67.9%
- Air Releases 632.8K lbs 31.9%
- Off-site Transfers 2.7K lbs 0.1%
- Land Disposal 0 lbs <0.1%
Lion Oil Co's 2.0M lbs Form-R total is MIXED - water discharges is 67.9% of the bar. Next segment: air releases at 31.9%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
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
Lion Oil Co is an EPA Toxics Release Inventory reporter in El Dorado, AR, in the petroleum sector. It reported 566.4K lbs of releases across 12 chemicals in 2023, and 2.0M lbs in total across its 2019-2023 reporting years. That ranks 865 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Arkansas's 350 reporting TRI sites, Clean Harbors el Dorado LLC leads both reported pounds (16.6M lbs) and chemical count (251 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: Continental Carbonic Products Inc.; Lanxess - Central; Clean Harbors el Dorado LLC; Nexans Amercable Inc.. Similar-scale Petroleum peers outside Arkansas: Phillips 66 Ponca City Site; Ees Coke Battery LLC; Valero Three Rivers Refinery; Marathon Mandan Refinery. Other Delek US Holdings Inc sites in this extract: Alon Refining Krotz Springs Inc; Alon Usa-Big Spring Refinery; Delek Tyler Refinery; Delek Renewables LLC. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Hydrogen cyanide; n-Hexane; Ammonia.
Lion Oil Co is a HEAVY · MIXED-pathway Form-R site in El Dorado, AR: 2.0M lbs across 13 chemicals (4 carcinogen-classified, CARC-LEAN). No single media clears 70% of the bar (lead segment water discharges at 67.9%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Phillips 66 Ponca City Site and Ees Coke Battery LLC.
Lion Oil Co vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
2.0M lbs Top 3% higher than 97% 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
Lion Oil Co: Nitrate compounds (water dissociable; reportable only when in aqueous solution)-led volume
Among the 902 Petroleum facilities in this database, Lion Oil Co reports the 48th-largest volume, placing it in the top 5.3% of its sector. Its reported volume is concentrated rather than spread: Nitrate compounds (water dissociable; reportable only when in aqueous solution) alone is 67.7% of the total. Scale peers outside Arkansas include Phillips 66 Ponca City Site and Ees Coke Battery LLC.
Concentrated means ≥60% of Lion Oil Co's pounds in one chemical - here Nitrate compounds (water dissociable; reportable only when in aqueous solution) at 67.7%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Lion Oil Co's total reported releases fell from 808.2 thousand lb in 2022 to 566.4 thousand lb in 2023, based on EPA TRI filings.
- Lion Oil Co's off-site transfers rose from 29 lb in 2022 to 455 lb in 2023, based on EPA TRI filings.
- Lion Oil Co's chemicals reported rose from 8 in 2022 to 12 in 2023, based on EPA TRI filings.
- Lion Oil Co's water releases fell from 683.3 thousand lb in 2022 to 388.8 thousand lb in 2023, based on EPA TRI filings.
Lion Oil Co Form-R facts
Compare this facility
See how Lion Oil Co stacks up against nearby facilities and the typical reporter.
4019.2× more than the comparison
13.0× 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 Lion Oil Co releases toxic chemicals into the environment. Total: 2.0M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 202% (187.6K lbs to 566.4K lbs).
Lion Oil Co: annual Form-R pounds
HEAVY site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022
- 2023
What this shows Lion Oil Co year-over-year reported totals (increased by 202% 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 187.6K lbs | 8 |
| 2020 | 201.6K lbs | 9 |
| 2021 | 217.7K lbs | 8 |
| 2022 | 808.2K lbs | 8 |
| 2023 | 566.4K lbs | 12 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 4 of 13 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1.3M lbs | - |
| Hydrogen cyanide | 146.4K lbs | - |
| n-Hexane | 144.6K lbs | - |
| Ammonia | 141.0K lbs | - |
| Toluene | 59.3K lbs | - |
| Benzene | 55.0K lbs | Carcinogen |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 43.5K lbs | - |
| Hydrogen sulfide | 40.1K lbs | - |
| Xylene (mixed isomers) | 7.5K lbs | - |
| Nickel And Nickel Compounds | 1.6K lbs | Carcinogen |
| Lead And Lead Compounds | 1.1K lbs | - |
| Polycyclic aromatic compounds | 510 lbs | Carcinogen |
| Molybdenum trioxide | 179 lbs | Carcinogen |
Lion Oil Co in Union
Nearest TRI Facilities to Lion Oil Co
Closest other reporters in Arkansas - including Continental Carbonic Products Inc., Lanxess - Central, Clean Harbors el Dorado LLC, ordered by distance.
Showing 8 of 349 other reporting facilities in Arkansas.
Similar Petroleum Facilities
Other Petroleum facilities with similar total release volumes (±80%), outside Arkansas - e.g. Phillips 66 Ponca City Site, Ees Coke Battery LLC, Valero Three Rivers Refinery.
Compare beyond Arkansas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Lion Oil Co on cumulative reported pounds (2.0M lbs) and distinct chemical count (13). Release-pound peers include Calaveras Power Station, Equistar Chemicals LP - Lake Charles Polymers, Malibu Boats LLC. Chemical-count peers include Puerto Rico Energy LLC - Guaynabo 2 Terminal, Global Companies LLC, Shell Providence Terminal. 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.
- Calaveras Power Station San Antonio, TX · Electric Utilities 2.0M lbs reported
- Equistar Chemicals LP - Lake Charles Polymers Westlake, LA · Chemicals 2.0M lbs reported
- Malibu Boats LLC Loudon, TN · Transportation Equipment 2.0M lbs reported
- Holcim (us) Inc Alpena, MI · Nonmetallic Mineral Product 2.0M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Puerto Rico Energy LLC - Guaynabo 2 Terminal Guaynabo, PR · Petroleum Bulk Terminals 13 chemicals
- Global Companies LLC Revere, MA · Petroleum Bulk Terminals 13 chemicals
- Shell Providence Terminal Providence, RI · Petroleum Bulk Terminals 13 chemicals
- Sig Sauer Inc Newington, NH · Fabricated Metals 13 chemicals
Other Delek US Holdings Inc Facilities
Same-parent TRI sites ranked by reported releases - including Alon Refining Krotz Springs Inc, Alon Usa-Big Spring Refinery, Delek Tyler 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 Nitrate compounds (water dissociable; reportable only when in aqueous solution), Hydrogen cyanide, n-Hexane, Ammonia; nearby reporters include Continental Carbonic Products Inc.. Lion Oil Co 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 Lion Oil Co TRI extract (HEAVY · MIXED · CARC-LEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Lion Oil Co totals are self-reported EPCRA §313 estimates for El Dorado, AR, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324110 · Petroleum. 6.8% of Union TRI pounds in this extract. Nearest ABS peer: Calaveras Power Station (Δ 801 lbs). Pounds ≠ exposure.
Lion Oil Co stamps HEAVY · MIXED pathway (water discharges leads at 67.9%). 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