EPA TRI Facility · Primary Metals

California Steel Industries Inc.

Fontana, CA · Parent: Nucor Corp

Total releases
128.0K lbs
Chemicals reported
5
Carcinogens
1
Primary pathway
Off-site Transfers

OFFSITE Form-R mix

California Steel Industries Inc.: how the 128.0K lbs splits

128.0K lbs across all reported pathways

  • Off-site Transfers 117.0K lbs 91.4%
  • Air Releases 11.0K lbs 8.6%
  • Water Discharges 7 lbs <0.1%

California Steel Industries Inc.'s 128.0K lbs Form-R total is OFFSITE - off-site transfers is 91.4% of the bar. Next segment: air releases at 8.6%. Leading chemical by pounds: Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region).

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 OFFSITE pathway TRACE-CARC

California Steel Industries Inc. is an EPA Toxics Release Inventory reporter in Fontana, CA, in the primary metals sector. It reported 27.6K lbs of releases across 4 chemicals in 2023, and 128.0K lbs in total across its 2019-2023 reporting years. That ranks 4,067 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. California Steel Industries Inc. is pounds #124 and chemical-count #210 at 128.0K lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Kemira Water Solutions Inc; Jensen Precast; Fontana Paper Mills Inc.; Robertson's Ready Mix Fontana Plant 4. Similar-scale Primary Metals peers outside California: Ferroglobe USA Metallurgical Inc; Ebaa Iron Inc Eastland Plant; Insteel Wire Products; Metal Source LLC. Other Nucor Corp sites in this extract: Nucor Steel-Berkeley; Nucor Steel Tuscaloosa Inc; Nucor Steel; Nucor Steel Hertford County. Largest disclosed chemicals by pounds: Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); Manganese; Chromium compounds (except for chromite ore mined in the Transvaal Region); Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).

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California Steel Industries Inc. stamps MID volume with a dominant OFFSITE pathway (91.4% off-site transfers) across 5 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 128.0K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Ferroglobe USA Metallurgical Inc and Ebaa Iron Inc Eastland Plant.

#4,067 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

California Steel Industries Inc. vs. every reporting TRI facility

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

128K lbs Top 16% higher than 84% 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

California Steel Industries Inc. in the Primary Metals sector extract

Among the 1,603 Primary Metals facilities in this database, California Steel Industries Inc. reports the 373rd-largest volume, placing it in the top 23.3% of its sector. Scale peers outside California include Ferroglobe USA Metallurgical Inc and Ebaa Iron Inc Eastland Plant.

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
  • California Steel Industries Inc.'s total reported releases fell from 28.1 thousand lb in 2022 to 27.6 thousand lb in 2023, based on EPA TRI filings.
  • California Steel Industries Inc.'s chemicals reported rose from 3 in 2022 to 4 in 2023, based on EPA TRI filings.
  • California Steel Industries Inc.'s air releases rose from 1.9 thousand lb in 2022 to 2.3 thousand lb in 2023, based on EPA TRI filings.
  • California Steel Industries Inc.'s off-site transfers fell from 26.2 thousand lb in 2022 to 25.3 thousand lb in 2023, based on EPA TRI filings.

California Steel Industries Inc. Form-R facts

Sector
Primary Metals
MID volume
128.0K lbs
OFFSITE pathway
Off-site Transfers
TRACE-CARC chem count
5 · 1 carc.
Lead chemical
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)

Compare this facility

See how California Steel Industries Inc. stacks up against nearby facilities and the typical reporter.

Total reported releases
California Steel Industries Inc.
128.0K lbs
Kemira Water Solutions Inc
13 lbs

9629.9× more than the comparison

Chemicals reported
California Steel Industries Inc.
5
Kemira Water Solutions Inc
3

67% 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 California Steel Industries Inc. releases toxic chemicals into the environment. Total: 128.0K lbs.

Off-site Transfers 117.0K lbs (91.4%)
Air Releases 11.0K lbs (8.6%)
Water Discharges 7 lbs (<0.1%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases increased by 28% (21.6K lbs to 27.6K lbs).

California Steel Industries Inc.: annual Form-R pounds

MID site · OFFSITE pathway · TRI years 2019–2023

million lbs

What this shows California Steel Industries Inc. year-over-year reported totals (increased by 28% 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: Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region).

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 21.6K lbs 3
2020 19.0K lbs 3
2021 31.6K lbs 3
2022 28.1K lbs 3
2023 27.6K lbs 4

Chemical Releases

Aggregated across all reporting years (2019–2023). 1 of 5 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) 54.6K lbs -
Manganese 34.4K lbs -
Chromium compounds (except for chromite ore mined in the Transvaal Region) 28.1K lbs -
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 10.9K lbs -
Lead 42 lbs Carcinogen

California Steel Industries Inc. · OFFSITE-pathway site

Fontana, CA
34.0774, -117.5000
County TRI context
San Bernardino · 1.8% of county pounds
Parent company
Nucor Corp

Compare beyond California

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest California Steel Industries Inc. on cumulative reported pounds (128.0K lbs) and distinct chemical count (5). Release-pound peers include Ferroglobe USA Metallurgical Inc, Westrock - Solvay LLC, Big River Resources Boyceville LLC. Chemical-count peers include Abbvie Ltd, Lilly del Caribe Inc Carolin A, Baxter Healthcare of Puerto Rico 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 Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Manganese, Chromium compounds (except for chromite ore mined in the Transvaal Region), Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); nearby reporters include Kemira Water Solutions Inc. California Steel Industries Inc. stamps MID volume · OFFSITE 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 California Steel Industries Inc. TRI extract (MID · OFFSITE · TRACE-CARC · lead Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

California Steel Industries Inc. totals are self-reported EPCRA §313 estimates for Fontana, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331110 · Primary Metals. 1.8% of San Bernardino TRI pounds in this extract. Nearest ABS peer: Ferroglobe USA Metallurgical Inc (Δ 7 lbs). Pounds ≠ exposure.

California Steel Industries Inc. stamps MID volume · OFFSITE pathway · TRACE-CARC · lead Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region). 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