EPA TRI Facility · Petroleum

Delaware City Refinery

Delaware City, DE · Parent: Pbf Energy Inc

Total releases
27.7M lbs
Chemicals reported
42
Carcinogens
14
Primary pathway
Water Discharges

WATER Form-R mix

Delaware City Refinery: how the 32.0M lbs splits

32.0M lbs across all reported pathways

  • Water Discharges 29.7M lbs 93.0%
  • Air Releases 2.1M lbs 6.4%
  • Off-site Transfers 185.5K lbs 0.6%
  • Land Disposal 616 lbs <0.1%

Delaware City Refinery's 32.0M lbs Form-R total is WATER - water discharges is 93.0% of the bar. Next segment: air releases at 6.4%. 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 WATER pathway TRACE-CARC

Delaware City Refinery is an EPA Toxics Release Inventory reporter in Delaware City, DE, in the petroleum sector. It reported 4.3M lbs of releases across 35 chemicals in 2024, and 27.7M lbs in total across its 2019-2024 reporting years. That ranks 66 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Delaware's 53 reporting TRI sites, Delaware City Refinery leads both reported pounds (27.7M lbs) and chemical count (42 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: Air Products & Chemicals; Kuehne Chemical Co Inc; Nexpera - Red Lion Plant; Rogers Corp - Bear. Similar-scale Petroleum peers outside Delaware: Blanchard Refining Co LLC; Uss-Clairton Plant; Phillips 66 Co-Bayway Refinery; Safety-Kleen Systems Inc.. Other Pbf Energy Inc sites in this extract: Martinez Refining Co LLC; Chalmette Refining LLC; Torrance Refining Co LLC; Toledo Refining Co LLC. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Hydrogen cyanide; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Ammonia.

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Delaware City Refinery stamps HEAVY volume with a dominant WATER pathway (93.0% water discharges) across 42 chemicals · 14 carcinogen-classified. Cumulative Form-R extract: 27.7M lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Blanchard Refining Co LLC and Uss-Clairton Plant.

#66 of 25,986 TRI facilities nationwide by total reported releases - among the top 0.3% of reporting sites by volume. Ranking reflects reported pounds, not toxicity or health risk.

Delaware City Refinery vs. every reporting TRI facility

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

28M lbs Top 1% higher than 100% 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

Delaware City Refinery inside New Castle's TRI pounds

Among the 902 Petroleum facilities in this database, Delaware City Refinery reports the 1st-largest volume, placing it in the top 0.1% of its sector. This one site accounts for 96.4% of every pound reported in New Castle. Its reported volume is concentrated rather than spread: Nitrate compounds (water dissociable; reportable only when in aqueous solution) alone is 92.9% of the total. Scale peers outside Delaware include Blanchard Refining Co LLC and Uss-Clairton Plant.

County-dominant here means ≥25% of New Castle's reported pounds (28.7M 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
  • Delaware City Refinery's total reported releases fell from 5.2 million lb in 2022 to 4.7 million lb in 2023, based on EPA TRI filings.
  • Delaware City Refinery's land releases rose from 84 lb in 2022 to 430 lb in 2023, based on EPA TRI filings.
  • Delaware City Refinery's off-site transfers rose from 4.1 thousand lb in 2022 to 10.1 thousand lb in 2023, based on EPA TRI filings.
  • Delaware City Refinery's water releases fell from 4.9 million lb in 2022 to 4.4 million lb in 2023, based on EPA TRI filings.

Delaware City Refinery Form-R facts

Sector
Petroleum
HEAVY volume
27.7M lbs
WATER pathway
Water Discharges
TRACE-CARC chem count
42 · 14 carc.
Lead chemical
Nitrate compounds (water dissociable; reportable only when in aqueous solution)

Compare this facility

See how Delaware City Refinery stacks up against nearby facilities and the typical reporter.

Total reported releases
Delaware City Refinery
27.7M lbs
Air Products & Chemicals
104.7K lbs

264.2× more than the comparison

Chemicals reported
Delaware City Refinery
42
Air Products & Chemicals
8

5.3× 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 Delaware City Refinery releases toxic chemicals into the environment. Total: 32.0M lbs.

Water Discharges 29.7M lbs (93.0%)
Air Releases 2.1M lbs (6.4%)
Off-site Transfers 185.5K lbs (0.6%)
Land Disposal 616 lbs (<0.1%)
View 6-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2024, total releases decreased by 22% (5.5M lbs to 4.3M lbs).

Delaware City Refinery: annual Form-R pounds

HEAVY site · WATER pathway · TRI years 2019–2024

million lbs

What this shows Delaware City Refinery year-over-year reported totals (decreased by 22% from 2019 to 2024). 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 5.5M lbs 37
2020 6.6M lbs 36
2021 5.7M lbs 36
2022 5.2M lbs 36
2023 4.7M lbs 34
2024 4.3M lbs 35

Chemical Releases

Aggregated across all reporting years (2019–2024). 14 of 43 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 29.7M lbs -
Hydrogen cyanide 792.7K lbs -
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 577.7K lbs -
Ammonia 386.5K lbs -
Asbestos (friable) 141.9K lbs Carcinogen
Hydrogen sulfide 79.2K lbs -
n-Hexane 73.1K lbs -
Creosote 40.9K lbs Carcinogen
Xylene (mixed isomers) 34.8K lbs -
Toluene 26.2K lbs -
Benzene 17.9K lbs Carcinogen
Methanol 11.4K lbs -
Naphthalene 11.3K lbs Carcinogen
Cyclohexane 9.7K lbs -
Ethylene 9.6K lbs -
Propylene 8.8K lbs -
Carbon disulfide 7.9K lbs -
Ethylbenzene 7.2K lbs Carcinogen
1,2,4-Trimethylbenzene 4.2K lbs -
Carbonyl sulfide 3.5K lbs -
Nickel And Nickel Compounds 2.7K lbs Carcinogen
Cresol (mixed isomers) 1.9K lbs -
Cumene 1.8K lbs Carcinogen
Certain glycol ethers 1.5K lbs -
Polycyclic aromatic compounds 1.2K lbs Carcinogen
Phenol 1.1K lbs -
1,3-Butadiene 1.0K lbs Carcinogen
Nickel compounds 866 lbs Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 671 lbs -
Lead And Lead Compounds 643 lbs -
Lead compounds 568 lbs -
Cyanide compounds 430 lbs -
Ethylene glycol 355 lbs -
Mercury And Mercury Compounds 143 lbs -
Sodium nitrite 115 lbs -
Styrene 83 lbs Carcinogen
Tetrachloroethylene 57 lbs Carcinogen
Molybdenum trioxide 56 lbs Carcinogen
Mercury compounds 41 lbs -
Phenanthrene 36 lbs -
Anthracene 35 lbs -
Benzo[g,h,i]perylene 28 lbs -
Dioxin and dioxin-like compounds 0 lbs Carcinogen

Delaware City Refinery · WATER-pathway site

Delaware City, DE
39.5763, -75.5997
County TRI context
New Castle · 96.4% of county pounds
Parent company
Pbf Energy Inc

Compare beyond Delaware

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Delaware City Refinery on cumulative reported pounds (27.7M lbs) and distinct chemical count (42). Release-pound peers include Sabic Innovative Plastics Mt. Vernon LLC, US Magnesium LLC, Minnkota Power Cooperative Inc. Milton R. Young Station. Chemical-count peers include US Army Picatinny Arsenal, 3M Chemical Operations' Cordova Facility, Wood River Refinery. 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), Hydrogen cyanide, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Ammonia; nearby reporters include Air Products & Chemicals. Delaware City Refinery stamps HEAVY volume · WATER pathway · TRACE-CARC 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 Delaware City Refinery TRI extract (HEAVY · WATER · TRACE-CARC · 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.

Delaware City Refinery totals are self-reported EPCRA §313 estimates for Delaware City, DE, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 324110 · Petroleum. 96.4% of New Castle TRI pounds in this extract. Nearest ABS peer: Sabic Innovative Plastics Mt. Vernon LLC (Δ 43.2K lbs). Pounds ≠ exposure.

Delaware City Refinery stamps HEAVY volume · WATER pathway · TRACE-CARC · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution). 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