EPA TRI Facility · Petroleum

The San Antonio Refinery LLC

San Antonio, TX · Parent: Allegiance Refining LLC

Total releases
159.8K lbs
Chemicals reported
8
Carcinogens
3
Primary pathway
Air Releases

AIR Form-R mix

The San Antonio Refinery LLC: how the 159.8K lbs splits

159.8K lbs across all reported pathways

  • Air Releases 143.2K lbs 89.6%
  • Off-site Transfers 16.7K lbs 10.4%

The San Antonio Refinery LLC's 159.8K lbs Form-R total is AIR - air releases is 89.6% of the bar. Next segment: off-site transfers at 10.4%. Leading chemical by pounds: Toluene.

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 AIR pathway CARC-LEAN

The San Antonio Refinery LLC is an EPA Toxics Release Inventory reporter in San Antonio, TX, in the petroleum sector. It reported 30.4K lbs of releases across 8 chemicals in 2023, and 159.8K lbs in total across its 2019-2023 reporting years. That ranks 3,631 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Texas's 2,016 reporting TRI sites, pounds #1 is not chemical-count #1. The San Antonio Refinery LLC is pounds #366 and chemical-count #382 at 159.8K lbs. Ascend Performance Materials-Chocolate Bayou Plant leads reported pounds (94.0M lbs) at 36 chemicals (chemical-count #35). Veolia Es Technical Solutions LLC Port Arthur Facility leads chemical count at 246 chemicals (1.5M lbs, pounds #112). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Oldcastle Precast Inc; Blue Wing Rm; Safety-Kleen Systems San Antonio (sab); Navistar San Antonio Manufacturing. Similar-scale Petroleum peers outside Texas: Calumet Cotton Valley Refining LLC Calumet Cotton Valley; Certainteed LLC; Schaeffer Manufacturing; Olein Recovery Corp: (refinery Plant). Largest disclosed chemicals by pounds: Toluene; Xylene (mixed isomers); n-Hexane; Benzene.

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The San Antonio Refinery LLC stamps MID volume with a dominant AIR pathway (89.6% air releases) across 8 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 159.8K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Calumet Cotton Valley Refining LLC Calumet Cotton Valley and Certainteed LLC.

#3,631 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

The San Antonio Refinery LLC vs. every reporting TRI facility

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

160K lbs Top 14% higher than 86% 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

The San Antonio Refinery LLC in the Petroleum sector extract

Among the 902 Petroleum facilities in this database, The San Antonio Refinery LLC reports the 141st-largest volume, placing it in the top 15.6% of its sector. Scale peers outside Texas include Calumet Cotton Valley Refining LLC Calumet Cotton Valley and Certainteed 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

2022 → 2023
  • The San Antonio Refinery LLC's total reported releases fell from 51.6 thousand lb in 2022 to 30.4 thousand lb in 2023, based on EPA TRI filings.
  • The San Antonio Refinery LLC's off-site transfers fell from 16.2 thousand lb in 2022 to 242 lb in 2023, based on EPA TRI filings.
  • The San Antonio Refinery LLC's air releases fell from 35.4 thousand lb in 2022 to 30.2 thousand lb in 2023, based on EPA TRI filings.

The San Antonio Refinery LLC Form-R facts

Sector
Petroleum
MID volume
159.8K lbs
AIR pathway
Air Releases
CARC-LEAN chem count
8 · 3 carc.
Lead chemical
Toluene

Compare this facility

See how The San Antonio Refinery LLC stacks up against nearby facilities and the typical reporter.

Total reported releases
The San Antonio Refinery LLC
159.8K lbs
Oldcastle Precast Inc
5 lbs

32887.3× more than the comparison

Chemicals reported
The San Antonio Refinery LLC
8
Oldcastle Precast Inc
2

4.0× 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 The San Antonio Refinery LLC releases toxic chemicals into the environment. Total: 159.8K lbs.

Air Releases 143.2K lbs (89.6%)
Off-site Transfers 16.7K lbs (10.4%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases increased by 156% (11.9K lbs to 30.4K lbs).

The San Antonio Refinery LLC: annual Form-R pounds

MID site · AIR pathway · TRI years 2019–2023

million lbs

What this shows The San Antonio Refinery LLC year-over-year reported totals (increased by 156% 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: Toluene.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 11.9K lbs 8
2020 43.5K lbs 8
2021 22.4K lbs 8
2022 51.6K lbs 8
2023 30.4K lbs 8

Chemical Releases

Aggregated across all reporting years (2019–2023). 3 of 8 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Toluene 53.3K lbs -
Xylene (mixed isomers) 34.0K lbs -
n-Hexane 27.7K lbs -
Benzene 13.1K lbs Carcinogen
Ethylbenzene 12.6K lbs Carcinogen
Naphthalene 10.3K lbs Carcinogen
Cyclohexane 5.7K lbs -
1,2,4-Trimethylbenzene 3.2K lbs -

The San Antonio Refinery LLC · AIR-pathway site

San Antonio, TX
29.3492, -98.4603
County TRI context
Bexar · 4.4% of county pounds
Parent company
Allegiance Refining LLC

Compare beyond Texas

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest The San Antonio Refinery LLC on cumulative reported pounds (159.8K lbs) and distinct chemical count (8). Release-pound peers include Lubrizol Advanced Materials Inc, Cpp-Cleveland, Associated Milk Producers Inc.. Chemical-count peers include Prepa-South Coast Power Plant, Argos Puerto Rico Corp., US Tsubaki Automotive 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 Toluene, Xylene (mixed isomers), n-Hexane, Benzene; nearby reporters include Oldcastle Precast Inc. The San Antonio Refinery LLC stamps MID volume · AIR 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 The San Antonio Refinery LLC TRI extract (MID · AIR · CARC-LEAN · lead Toluene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

The San Antonio Refinery LLC totals are self-reported EPCRA §313 estimates for San Antonio, TX, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324110 · Petroleum. 4.4% of Bexar TRI pounds in this extract. Nearest ABS peer: Lubrizol Advanced Materials Inc (Δ 11 lbs). Pounds ≠ exposure.

The San Antonio Refinery LLC stamps MID volume · AIR pathway · CARC-LEAN · lead Toluene. 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