EPA TRI Facility · Petroleum

St Paul Park Refining Co LLC

Saint Paul Park, MN · Parent: Marathon Petroleum Corp

Total releases
945.3K lbs
Chemicals reported
34
Carcinogens
10
Primary pathway
Air Releases

MIXED Form-R mix

St Paul Park Refining Co LLC: how the 945.3K lbs splits

945.3K lbs across all reported pathways

  • Air Releases 628.0K lbs 66.4%
  • Water Discharges 312.9K lbs 33.1%
  • Off-site Transfers 4.4K lbs 0.5%

St Paul Park Refining Co LLC's 945.3K lbs Form-R total is MIXED - air releases is 66.4% of the bar. Next segment: water discharges at 33.1%. 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.

MID volume MIXED pathway CARC-LEAN

St Paul Park Refining Co LLC is an EPA Toxics Release Inventory reporter in Saint Paul Park, MN, in the petroleum sector. It reported 260.2K lbs of releases across 29 chemicals in 2023, and 945.3K lbs in total across its 2019-2023 reporting years. That ranks 1,350 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Minnesota's 459 reporting TRI sites, pounds #1 is not chemical-count #1. St Paul Park Refining Co LLC is pounds #26 and chemical-count #3 at 945.3K lbs. Xcel Energy Sherburne County Generating Plant leads reported pounds (21.5M lbs) at 24 chemicals (chemical-count #4). 3M Chemical Operations' Cottage Grove Facility leads chemical count at 72 chemicals (3.0M lbs, pounds #8). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Holcim - Mwr Inc. Newport Ready Mix; Twin City Tanning Co LLP; Sanimax USA LLC; Airgas Specialty Products - S St Paul Mn. Similar-scale Petroleum peers outside Minnesota: Indiana Harbor Coke Co LP; Hunt Refining Co a Corp; Calumet Shreveport Refining LLC; Par Montana Billings Refinery. Other Marathon Petroleum Corp sites in this extract: Blanchard Refining Co LLC; Marathon Petroleum Co LP; Marathon Mandan Refinery; Catlettsburg Refining LLC. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Hydrogen cyanide; Ammonia; Propylene.

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St Paul Park Refining Co LLC is a MID · MIXED-pathway Form-R site in Saint Paul Park, MN: 945.3K lbs across 34 chemicals (10 carcinogen-classified, CARC-LEAN). No single media clears 70% of the bar (lead segment air releases at 66.4%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Indiana Harbor Coke Co LP and Hunt Refining Co a Corp.

#1,350 of 25,986 TRI facilities nationwide by total reported releases - among the top 5.2% of reporting sites by volume. Ranking reflects reported pounds, not toxicity or health risk.

St Paul Park Refining Co LLC vs. every reporting TRI facility

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

945K lbs Top 5% higher than 95% 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

St Paul Park Refining Co LLC in the Petroleum sector extract

Among the 902 Petroleum facilities in this database, St Paul Park Refining Co LLC reports the 79th-largest volume, placing it in the top 8.8% of its sector. Scale peers outside Minnesota include Indiana Harbor Coke Co LP and Hunt Refining Co a Corp.

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

2022 → 2023
  • St Paul Park Refining Co LLC's total reported releases rose from 231.3 thousand lb in 2022 to 260.2 thousand lb in 2023, based on EPA TRI filings.
  • St Paul Park Refining Co LLC's off-site transfers rose from 655 lb in 2022 to 2.6 thousand lb in 2023, based on EPA TRI filings.
  • St Paul Park Refining Co LLC's water releases rose from 84.2 thousand lb in 2022 to 120.9 thousand lb in 2023, based on EPA TRI filings.
  • St Paul Park Refining Co LLC's air releases fell from 146.5 thousand lb in 2022 to 136.7 thousand lb in 2023, based on EPA TRI filings.

St Paul Park Refining Co LLC Form-R facts

Sector
Petroleum
MID volume
945.3K lbs
MIXED pathway
Air Releases
CARC-LEAN chem count
34 · 10 carc.
Lead chemical
Nitrate compounds (water dissociable; reportable only when in aqueous solution)

Compare this facility

See how St Paul Park Refining Co LLC stacks up against nearby facilities and the typical reporter.

Total reported releases
St Paul Park Refining Co LLC
945.3K lbs
Holcim - Mwr Inc. Newport Ready Mix
2.2K lbs

434.1× more than the comparison

Chemicals reported
St Paul Park Refining Co LLC
34
Holcim - Mwr Inc. Newport Ready Mix
3

11.3× 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 St Paul Park Refining Co LLC releases toxic chemicals into the environment. Total: 945.3K lbs.

Air Releases 628.0K lbs (66.4%)
Water Discharges 312.9K lbs (33.1%)
Off-site Transfers 4.4K lbs (0.5%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases increased by 97% (132.1K lbs to 260.2K lbs).

St Paul Park Refining Co LLC: annual Form-R pounds

MID site · MIXED pathway · TRI years 2019–2023

million lbs

What this shows St Paul Park Refining Co LLC year-over-year reported totals (increased by 97% 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 132.1K lbs 30
2020 166.7K lbs 30
2021 155.0K lbs 29
2022 231.3K lbs 30
2023 260.2K lbs 29

Chemical Releases

Aggregated across all reporting years (2019–2023). 10 of 34 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 309.0K lbs -
Hydrogen cyanide 256.0K lbs -
Ammonia 73.2K lbs -
Propylene 67.2K lbs -
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 65.0K lbs -
Xylene (mixed isomers) 38.6K lbs -
n-Hexane 25.3K lbs -
Toluene 24.1K lbs -
Hydrogen sulfide 16.0K lbs -
1,2,4-Trimethylbenzene 14.3K lbs -
Carbonyl sulfide 11.7K lbs -
Cyclohexane 9.6K lbs -
Benzene 7.7K lbs Carcinogen
Ethylbenzene 7.3K lbs Carcinogen
Zinc compounds 4.8K lbs -
Ethylene 4.0K lbs -
Carbon disulfide 4.0K lbs -
Lead compounds 1.6K lbs -
Tetrachloroethylene 1.3K lbs Carcinogen
Cumene 1.2K lbs Carcinogen
Naphthalene 1.2K lbs Carcinogen
Hydrogen fluoride 793 lbs -
1,3-Butadiene 416 lbs Carcinogen
Polycyclic aromatic compounds 373 lbs Carcinogen
Cobalt compounds 230 lbs Carcinogen
Lead And Lead Compounds 198 lbs -
Molybdenum trioxide 91 lbs Carcinogen
Ethylene glycol 68 lbs -
Methanol 41 lbs -
Mercury compounds 35 lbs -
Benzo[g,h,i]perylene 29 lbs -
Mercury And Mercury Compounds 11 lbs -
Diethanolamine 1 lbs -
Dioxin and dioxin-like compounds 0 lbs Carcinogen

St Paul Park Refining Co LLC in Washington

Saint Paul Park, MN
44.8524, -92.9965
County TRI context
Washington · 16.5% of county pounds
Parent company
Marathon Petroleum Corp

Compare beyond Minnesota

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest St Paul Park Refining Co LLC on cumulative reported pounds (945.3K lbs) and distinct chemical count (34). Release-pound peers include Resonetics Smart Materials Inc, Belden Brick Co Plant 8, Holcim (us) Inc. - Ste. Genevieve Plant. Chemical-count peers include Kentucky Utilities Co Ghent Station, Marathon Petroleum Co LP Ohio Refining Div, Cleveland-Cliffs Steel LLC. 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, Ammonia, Propylene; nearby reporters include Holcim - Mwr Inc. Newport Ready Mix. St Paul Park Refining Co LLC stamps MID 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 St Paul Park Refining Co LLC TRI extract (MID · 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.

St Paul Park Refining Co LLC totals are self-reported EPCRA §313 estimates for Saint Paul Park, MN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324110 · Petroleum. 16.5% of Washington TRI pounds in this extract. Nearest ABS peer: Resonetics Smart Materials Inc (Δ 576 lbs). Pounds ≠ exposure.

St Paul Park Refining Co LLC stamps MID · MIXED pathway (air releases leads at 66.4%). 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