EPA TRI Facility · Petroleum
Valero Refining - Texas L.P. Houston Refinery
Houston, TX · Parent: Valero Energy Corp
- Total releases
- 9.4M lbs
- Chemicals reported
- 40
- Carcinogens
- 12
- Primary pathway
- Water Discharges
WATER Form-R mix
Valero Refining - Texas L.P. Houston Refinery: how the 9.4M lbs splits
9.4M lbs across all reported pathways
- Water Discharges 8.8M lbs 93.9%
- Air Releases 571.0K lbs 6.1%
- Off-site Transfers 1.5K lbs <0.1%
- Land Disposal 0 lbs <0.1%
Valero Refining - Texas L.P. Houston Refinery's 9.4M lbs Form-R total is WATER - water discharges is 93.9% of the bar. Next segment: air releases at 6.1%. 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.
HEAVY volume WATER pathway TRACE-CARC
Valero Refining - Texas L.P. Houston Refinery is an EPA Toxics Release Inventory reporter in Houston, TX, in the petroleum sector. It reported 2.1M lbs of releases across 31 chemicals in 2023, and 9.4M lbs in total across its 2019-2023 reporting years. That ranks 230 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. Valero Refining - Texas L.P. Houston Refinery is pounds #20 and chemical-count #28 at 9.4M 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: Valero Refining - Texas L.P. Houston Refinery; Usgypsum Co Galena Park; Invista Houston; Valero Houston Asphalt Terminal. Similar-scale Petroleum peers outside Texas: Chevron Products Co. Div of Chevron USA Inc.; Citgo Petroleum Corp; Bp Products Na Whiting Business Unit; Chevron Products Co Pascagoula Refinery. Other Valero Energy Corp sites in this extract: Valero Refining-Texas LP; Diamond Shamrock Refining Co LP; Valero Refining-Texas LP Corpus Christi West Plant; Premcor Refining Group Inc Port Arthur. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Hydrogen cyanide; Ammonia; Propylene.
Valero Refining - Texas L.P. Houston Refinery stamps HEAVY volume with a dominant WATER pathway (93.9% water discharges) across 40 chemicals · 12 carcinogen-classified. Cumulative Form-R extract: 9.4M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Chevron Products Co. Div of Chevron USA Inc. and Citgo Petroleum Corp.
Valero Refining - Texas L.P. Houston Refinery vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
9.4M lbs Top 1% higher than 99% 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
Valero Refining - Texas L.P. Houston Refinery: Nitrate compounds (water dissociable; reportable only when in aqueous solution)-led volume
Among the 902 Petroleum facilities in this database, Valero Refining - Texas L.P. Houston Refinery reports the 9th-largest volume, placing it in the top 1% of its sector. Its reported volume is concentrated rather than spread: Nitrate compounds (water dissociable; reportable only when in aqueous solution) alone is 93.8% of the total. Scale peers outside Texas include Chevron Products Co. Div of Chevron USA Inc. and Citgo Petroleum Corp.
Concentrated means ≥60% of Valero Refining - Texas L.P. Houston Refinery's pounds in one chemical - here Nitrate compounds (water dissociable; reportable only when in aqueous solution) at 93.8%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Valero Refining - Texas L.P. Houston Refinery's total reported releases fell from 2.2 million lb in 2022 to 2.1 million lb in 2023, based on EPA TRI filings.
- Valero Refining - Texas L.P. Houston Refinery's chemicals reported rose from 29 in 2022 to 31 in 2023, based on EPA TRI filings.
- Valero Refining - Texas L.P. Houston Refinery's water releases fell from 2.1 million lb in 2022 to 2.0 million lb in 2023, based on EPA TRI filings.
- Valero Refining - Texas L.P. Houston Refinery's air releases rose from 107.8 thousand lb in 2022 to 112.7 thousand lb in 2023, based on EPA TRI filings.
Valero Refining - Texas L.P. Houston Refinery Form-R facts
Compare this facility
See how Valero Refining - Texas L.P. Houston Refinery stacks up against nearby facilities and the typical reporter.
86.7× more than the comparison
2.4× 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 Valero Refining - Texas L.P. Houston Refinery releases toxic chemicals into the environment. Total: 9.4M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 59% (1.3M lbs to 2.1M lbs).
Valero Refining - Texas L.P. Houston Refinery: annual Form-R pounds
HEAVY site · WATER pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Valero Refining - Texas L.P. Houston Refinery year-over-year reported totals (increased by 59% 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 | 1.3M lbs | 36 |
| 2020 | 1.9M lbs | 33 |
| 2021 | 2.0M lbs | 31 |
| 2022 | 2.2M lbs | 29 |
| 2023 | 2.1M lbs | 31 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 12 of 40 chemicals are carcinogens. Sorted by total release volume.
Valero Refining - Texas L.P. Houston Refinery · WATER-pathway site
Nearest TRI Facilities to Valero Refining - Texas L.P. Houston Refinery
Closest other reporters in Texas - including Valero Refining - Texas L.P. Houston Refinery, Usgypsum Co Galena Park, Invista Houston, ordered by distance.
Showing 8 of 2,015 other reporting facilities in Texas.
Similar Petroleum Facilities
Other Petroleum facilities with similar total release volumes (±80%), outside Texas - e.g. Chevron Products Co. Div of Chevron USA Inc., Citgo Petroleum Corp, Bp Products Na Whiting Business Unit.
Compare beyond Texas
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Valero Refining - Texas L.P. Houston Refinery on cumulative reported pounds (9.4M lbs) and distinct chemical count (40). Release-pound peers include Clearwater Paper - Augusta Mill, McCain Foods USA Inc, Chevron Products Co. Div of Chevron USA Inc.. Chemical-count peers include Cleveland-Cliffs Steel LLC, Marathon Mandan Refinery, Hf Sinclair el Dorado Refining LLC. 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.
- Clearwater Paper - Augusta Mill Augusta, GA · Paper 9.4M lbs reported
- McCain Foods USA Inc Easton, ME · Food 9.4M lbs reported
- Chevron Products Co. Div of Chevron USA Inc. El Segundo, CA · Petroleum 9.4M lbs reported
- Ecobat Resources California Inc. City Of Industry, CA · Primary Metals 9.5M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Valero Energy Corp Facilities
Same-parent TRI sites ranked by reported releases - including Valero Refining-Texas LP, Diamond Shamrock Refining Co LP, Valero Refining-Texas LP Corpus Christi West Plant.
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 Valero Refining - Texas L.P. Houston Refinery. Valero Refining - Texas L.P. Houston 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 Valero Refining - Texas L.P. Houston 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.
Valero Refining - Texas L.P. Houston Refinery totals are self-reported EPCRA §313 estimates for Houston, TX, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324110 · Petroleum. 4.3% of Harris TRI pounds in this extract. Nearest ABS peer: Clearwater Paper - Augusta Mill (Δ 3.9K lbs). Pounds ≠ exposure.
Valero Refining - Texas L.P. Houston 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