EPA TRI Facility · Chemicals
Shell Norco Chemical Plant West Site
Norco, LA · Parent: Shell Oil Co
- Total releases
- 96.0K lbs
- Chemicals reported
- 22
- Carcinogens
- 9
- Primary pathway
- Air Releases
AIR Form-R mix
Shell Norco Chemical Plant West Site: how the 96.0K lbs splits
96.0K lbs across all reported pathways
- Air Releases 95.3K lbs 99.2%
- Water Discharges 556 lbs 0.6%
- Off-site Transfers 177 lbs 0.2%
- Land Disposal 0 lbs <0.1%
Shell Norco Chemical Plant West Site's 96.0K lbs Form-R total is AIR - air releases is 99.2% of the bar. Next segment: water discharges at 0.6%. Leading chemical by pounds: Benzene.
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.
LIGHT volume AIR pathway CARC-HEAVY
Shell Norco Chemical Plant West Site is an EPA Toxics Release Inventory reporter in Norco, LA, in the chemicals sector. It reported 17.4K lbs of releases across 22 chemicals in 2023, and 96.0K lbs in total across its 2019-2023 reporting years. That ranks 4,677 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Louisiana's 417 reporting TRI sites, pounds #1 is not chemical-count #1. Shell Norco Chemical Plant West Site is pounds #157 and chemical-count #40 at 96.0K lbs. Bayer Cropscience LP leads reported pounds (81.9M lbs) at 17 chemicals (chemical-count #52). Eco-Services Operations leads chemical count at 68 chemicals (163.5K lbs, pounds #136). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Shac Catalyst Plant; Shell Norco Chemical Plant; Linde St Charles Facility; Linde Gas & Equipment. Similar-scale Chemicals peers outside Louisiana: Green Plains Central City LLC; Sherwin-Williams Co; Avery Dennison Mill Hall; Poet Biorefining - Chancellor. Other Shell Oil Co sites in this extract: Shell Norco Chemical Plant; Equilon Stockton Terminal; Sopus Products. Largest disclosed chemicals by pounds: Benzene; Toluene; Xylene (mixed isomers); Ethylbenzene.
Shell Norco Chemical Plant West Site stamps LIGHT volume with a dominant AIR pathway (99.2% air releases) across 22 chemicals · 9 carcinogen-classified. Cumulative Form-R extract: 96.0K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Green Plains Central City LLC and Sherwin-Williams Co.
Shell Norco Chemical Plant West Site vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
96K lbs Top 18% higher than 82% 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
Shell Norco Chemical Plant West Site: carcinogen-lbs share on Form-R
Among the 3,917 Chemicals facilities in this database, Shell Norco Chemical Plant West Site reports the 931st-largest volume, placing it in the top 23.8% of its sector. Carcinogen-classified chemicals make up 52.0% of the reported pounds, not just of the chemical count. Scale peers outside Louisiana include Green Plains Central City LLC and Sherwin-Williams Co.
Carcinogen-heavy means ≥50% of pounds (52.0% here), not of chemical count. EPA/IARC classification ≠ site risk.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Shell Norco Chemical Plant West Site's total reported releases fell from 21.2 thousand lb in 2022 to 17.4 thousand lb in 2023, based on EPA TRI filings.
- Shell Norco Chemical Plant West Site's water releases fell from 199 lb in 2022 to 151 lb in 2023, based on EPA TRI filings.
- Shell Norco Chemical Plant West Site's air releases fell from 21.0 thousand lb in 2022 to 17.2 thousand lb in 2023, based on EPA TRI filings.
Shell Norco Chemical Plant West Site Form-R facts
Compare this facility
See how Shell Norco Chemical Plant West Site stacks up against nearby facilities and the typical reporter.
6.1× more than the comparison
4.4× 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 Shell Norco Chemical Plant West Site releases toxic chemicals into the environment. Total: 96.0K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 13% (20.1K lbs to 17.4K lbs).
Shell Norco Chemical Plant West Site: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Shell Norco Chemical Plant West Site year-over-year reported totals (decreased by 13% 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: Benzene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 20.1K lbs | 21 |
| 2020 | 21.2K lbs | 22 |
| 2021 | 16.1K lbs | 22 |
| 2022 | 21.2K lbs | 22 |
| 2023 | 17.4K lbs | 22 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 9 of 22 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Benzene | 19.4K lbs | Carcinogen |
| Toluene | 13.7K lbs | - |
| Xylene (mixed isomers) | 13.1K lbs | - |
| Ethylbenzene | 11.0K lbs | Carcinogen |
| 1,3-Butadiene | 9.6K lbs | Carcinogen |
| Hydrogen sulfide | 9.0K lbs | - |
| Styrene | 6.5K lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 6.0K lbs | - |
| Glycidol | 2.8K lbs | Carcinogen |
| Ammonia | 1.3K lbs | - |
| Acetonitrile | 1.2K lbs | - |
| Methanol | 957 lbs | - |
| n-Butyl alcohol | 631 lbs | - |
| Naphthalene | 400 lbs | Carcinogen |
| Lead compounds | 185 lbs | - |
| Hydrazine | 170 lbs | Carcinogen |
| Methyl isobutyl ketone | 70 lbs | Carcinogen |
| Phenol | 56 lbs | - |
| Cresol (mixed isomers) | 11 lbs | - |
| Mercury compounds | 4 lbs | - |
| Diethanolamine | 1 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Shell Norco Chemical Plant West Site · AIR-pathway site
Nearest TRI Facilities to Shell Norco Chemical Plant West Site
Closest other reporters in Louisiana - including Shac Catalyst Plant, Shell Norco Chemical Plant, Linde St Charles Facility, ordered by distance.
Showing 8 of 416 other reporting facilities in Louisiana.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Louisiana - e.g. Green Plains Central City LLC, Sherwin-Williams Co, Avery Dennison Mill Hall.
Compare beyond Louisiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Shell Norco Chemical Plant West Site on cumulative reported pounds (96.0K lbs) and distinct chemical count (22). Release-pound peers include Medtronic Inc, Green Plains Central City LLC, Imperial Aluminum-Minerva LLC. Chemical-count peers include Seward Power Plant, Pixelle Specialty Solutions LLC, Envirite of Pennsylvania Inc. 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.
- Medtronic Inc Danvers, MA · Miscellaneous Manufacturing 96.0K lbs reported
- Green Plains Central City LLC Central City, NE · Chemicals 96.0K lbs reported
- Imperial Aluminum-Minerva LLC Minerva, OH · Primary Metals 96.0K lbs reported
- De Nora Tech Inc Chardon Manufacturing Facility Chardon, OH · Fabricated Metals 96.0K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Shell Oil Co Facilities
Same-parent TRI sites ranked by reported releases - including Shell Norco Chemical Plant, Equilon Stockton Terminal, Sopus Products.
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 Benzene, Toluene, Xylene (mixed isomers), Ethylbenzene; nearby reporters include Shac Catalyst Plant. Shell Norco Chemical Plant West Site stamps LIGHT volume · AIR pathway · CARC-HEAVY 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 Shell Norco Chemical Plant West Site TRI extract (LIGHT · AIR · CARC-HEAVY · lead Benzene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Shell Norco Chemical Plant West Site totals are self-reported EPCRA §313 estimates for Norco, LA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325110 · Chemicals. 0.1% of St. Charles Parish TRI pounds in this extract. Nearest ABS peer: Green Plains Central City LLC (Δ 7 lbs). Pounds ≠ exposure.
Shell Norco Chemical Plant West Site stamps LIGHT volume · AIR pathway · CARC-HEAVY · lead Benzene. 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