EPA TRI Facility · Petroleum

Catlettsburg Refining LLC

Catlettsburg, KY · Parent: Marathon Petroleum Corp

Total releases
1.5M lbs
Chemicals reported
35
Carcinogens
13
Primary pathway
Air Releases

MIXED Form-R mix

Catlettsburg Refining LLC: how the 1.5M lbs splits

1.5M lbs across all reported pathways

  • Air Releases 847.5K lbs 56.8%
  • Water Discharges 322.8K lbs 21.6%
  • Off-site Transfers 313.2K lbs 21.0%
  • Land Disposal 9.2K lbs 0.6%

Catlettsburg Refining LLC's 1.5M lbs Form-R total is MIXED - air releases is 56.8% of the bar. Next segment: water discharges at 21.6%. 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

Catlettsburg Refining LLC is an EPA Toxics Release Inventory reporter in Catlettsburg, KY, in the petroleum sector. It reported 324.3K lbs of releases across 31 chemicals in 2023, and 1.5M lbs in total across its 2019-2023 reporting years. That ranks 1,033 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Kentucky's 422 reporting TRI sites, pounds #1 is not chemical-count #1. Catlettsburg Refining LLC is pounds #33 and chemical-count #3 at 1.5M lbs. North American Stainless leads reported pounds (35.2M lbs) at 15 chemicals (chemical-count #36). Safety-Kleen Systems Inc. leads chemical count at 50 chemicals (725.8K lbs, pounds #50). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Calgon Carbon Corp; Marathon Petroleum Co - Big Sandy Asphalt Terminal; Federal Correctional Institution Ashland Ky; Huntington Alloys Corp. Similar-scale Petroleum peers outside Kentucky: Phillips 66 Ferndale Refinery; Hf Sinclair Parco Refining LLC; Coffeyville Resources Refining & Marketing; Flint Hills Resources Corpus Christi LLC - East Plant. Other Marathon Petroleum Corp sites in this extract: Blanchard Refining Co LLC; Marathon Petroleum Co LP; Marathon Mandan Refinery; Blacks Fork Gas Plant. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nickel And Nickel Compounds; n-Hexane; Ethylene.

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Catlettsburg Refining LLC is a HEAVY · MIXED-pathway Form-R site in Catlettsburg, KY: 1.5M lbs across 35 chemicals (13 carcinogen-classified, CARC-LEAN). No single media clears 70% of the bar (lead segment air releases at 56.8%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Phillips 66 Ferndale Refinery and Hf Sinclair Parco Refining LLC.

#1,033 of 25,986 TRI facilities nationwide by total reported releases - among the top 4% of reporting sites by volume. Ranking reflects reported pounds, not toxicity or health risk.

Catlettsburg Refining LLC vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

1.5M lbs Top 4% higher than 96% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

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

Catlettsburg Refining LLC inside Boyd's TRI pounds

Among the 902 Petroleum facilities in this database, Catlettsburg Refining LLC reports the 62nd-largest volume, placing it in the top 6.9% of its sector. This one site accounts for 91.8% of every pound reported in Boyd. Scale peers outside Kentucky include Phillips 66 Ferndale Refinery and Hf Sinclair Parco Refining LLC.

County-dominant here means ≥25% of Boyd's reported pounds (1.6M lbs county total). Shares only print when the site reports ≥1,000 lbs.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Catlettsburg Refining LLC's total reported releases rose from 239.3 thousand lb in 2022 to 324.3 thousand lb in 2023, based on EPA TRI filings.
  • Catlettsburg Refining LLC's off-site transfers rose from 8.7 thousand lb in 2022 to 63.6 thousand lb in 2023, based on EPA TRI filings.
  • Catlettsburg Refining LLC's land releases fell from 6.5 thousand lb in 2022 to 275 lb in 2023, based on EPA TRI filings.
  • Catlettsburg Refining LLC's air releases rose from 175.6 thousand lb in 2022 to 222.7 thousand lb in 2023, based on EPA TRI filings.

Catlettsburg Refining LLC Form-R facts

Sector
Petroleum
HEAVY volume
1.5M lbs
MIXED pathway
Air Releases
CARC-LEAN chem count
35 · 13 carc.
Lead chemical
Nitrate compounds (water dissociable; reportable only when in aqueous solution)

Compare this facility

See how Catlettsburg Refining LLC stacks up against nearby facilities and the typical reporter.

Total reported releases
Catlettsburg Refining LLC
1.5M lbs
Calgon Carbon Corp
120.4K lbs

12.4× more than the comparison

Chemicals reported
Catlettsburg Refining LLC
35
Calgon Carbon Corp
22

59% 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 Catlettsburg Refining LLC releases toxic chemicals into the environment. Total: 1.5M lbs.

Air Releases 847.5K lbs (56.8%)
Water Discharges 322.8K lbs (21.6%)
Off-site Transfers 313.2K lbs (21.0%)
Land Disposal 9.2K lbs (0.6%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 14% (377.9K lbs to 324.3K lbs).

Catlettsburg Refining LLC: annual Form-R pounds

HEAVY site · MIXED pathway · TRI years 2019–2023

million lbs

What this shows Catlettsburg Refining LLC year-over-year reported totals (decreased by 14% 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).

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 377.9K lbs 31
2020 233.0K lbs 29
2021 318.2K lbs 31
2022 239.3K lbs 30
2023 324.3K lbs 31

Chemical Releases

Aggregated across all reporting years (2019–2023). 13 of 35 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 310.6K lbs -
Nickel And Nickel Compounds 171.0K lbs Carcinogen
n-Hexane 165.7K lbs -
Ethylene 131.8K lbs -
Ammonia 120.7K lbs -
Zinc compounds 91.3K lbs -
Toluene 88.9K lbs -
Benzene 84.9K lbs Carcinogen
Xylene (mixed isomers) 81.9K lbs -
Propylene 72.1K lbs -
Nickel compounds 41.4K lbs Carcinogen
Cumene 29.0K lbs Carcinogen
Cyclohexane 21.5K lbs -
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 18.9K lbs -
Ethylbenzene 11.4K lbs Carcinogen
1,2,4-Trimethylbenzene 10.2K lbs -
Hydrogen sulfide 10.0K lbs -
Naphthalene 9.2K lbs Carcinogen
Lead And Lead Compounds 4.5K lbs -
Styrene 4.1K lbs Carcinogen
Carbonyl sulfide 3.8K lbs -
1,3-Butadiene 3.4K lbs Carcinogen
Cobalt And Cobalt Compounds 2.3K lbs Carcinogen
Carbon disulfide 1.7K lbs -
Polycyclic aromatic compounds 704 lbs Carcinogen
Hydrogen fluoride 621 lbs -
Lead compounds 527 lbs -
Mercury And Mercury Compounds 236 lbs -
Methanol 170 lbs -
Cobalt compounds 159 lbs Carcinogen
Tetrachloroethylene 148 lbs Carcinogen
Mercury compounds 33 lbs -
Benzo[g,h,i]perylene 10 lbs -
Ethylene glycol 0 lbs -
Molybdenum trioxide 0 lbs Carcinogen

Catlettsburg Refining LLC in Boyd

Catlettsburg, KY
38.3786, -82.6067
County TRI context
Boyd · 91.8% of county pounds
Parent company
Marathon Petroleum Corp

Compare beyond Kentucky

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Catlettsburg Refining LLC on cumulative reported pounds (1.5M lbs) and distinct chemical count (35). Release-pound peers include Primary Products Ingredients Americas LLC - Decatur, Lawrence Energy Center, Prairie Farms. Chemical-count peers include Lima Refining Co, Citgo Petroleum Corp Lemont Refinery, Marathon Petroleum Co LP Illinois Refining Div. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

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), Nickel And Nickel Compounds, n-Hexane, Ethylene; nearby reporters include Calgon Carbon Corp. Catlettsburg Refining LLC 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 Catlettsburg Refining LLC 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.

Catlettsburg Refining LLC totals are self-reported EPCRA §313 estimates for Catlettsburg, KY, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324110 · Petroleum. 91.8% of Boyd TRI pounds in this extract. Nearest ABS peer: Primary Products Ingredients Americas LLC - Decatur (Δ 773 lbs). Pounds ≠ exposure.

Catlettsburg Refining LLC stamps HEAVY · MIXED pathway (air releases leads at 56.8%). 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