EPA TRI Facility · Fabricated Metals
Sioux City Foundry Co
Sioux City, IA
- Total releases
- 110 lbs
- Chemicals reported
- 5
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Sioux City Foundry Co: how the 110 lbs splits
110 lbs across all reported pathways
- Air Releases 109 lbs 99.0%
- Water Discharges 1 lbs 1.0%
Sioux City Foundry Co's 110 lbs Form-R total is AIR - air releases is 99.0% of the bar. Next segment: water discharges at 1.0%. Leading chemical by pounds: Nickel.
TRACE volume AIR pathway CARC-MID
Sioux City Foundry Co is an EPA Toxics Release Inventory reporter in Sioux City, IA, in the fabricated metals sector. It reported 5 lbs of releases across 4 chemicals in 2023, and 110 lbs in total across its 2019-2023 reporting years. That ranks 16,459 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Iowa's 460 reporting TRI sites, pounds #1 is not chemical-count #1. Sioux City Foundry Co is pounds #373 and chemical-count #145 at 110 lbs. Climax Molybdenum Co leads reported pounds (16.4M lbs) at 5 chemicals (chemical-count #117). Helena Industries LLC leads chemical count at 32 chemicals (9.4K lbs, pounds #247). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Missouri Valley Steel Co; Standard Ready Mix Concrete Co Sioux City Plant; Cargill Inc; Wilson Trailer Co. Similar-scale Fabricated Metals peers outside Iowa: National Oilwell Varco LP; Greer Stop Nut Inc; Winchester Interconnect Rf Corp; Dodge Industrial. Largest disclosed chemicals by pounds: Nickel; Chromium; Manganese; Lead.
Sioux City Foundry Co stamps TRACE volume with a dominant AIR pathway (99.0% air releases) across 5 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 110 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include National Oilwell Varco LP and Greer Stop Nut Inc.
Sioux City Foundry Co vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
110 lbs 37th percentile higher than 37% 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
Sioux City Foundry Co in the Fabricated Metals sector extract
Among the 3,421 Fabricated Metals facilities in this database, Sioux City Foundry Co reports the 2,155th-largest volume (110 lbs). Scale peers outside Iowa include National Oilwell Varco LP and Greer Stop Nut Inc.
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
- Sioux City Foundry Co's total reported releases fell from 23 lb in 2022 to 5 lb in 2023, based on EPA TRI filings.
- Sioux City Foundry Co's air releases fell from 23 lb in 2022 to 4 lb in 2023, based on EPA TRI filings.
Sioux City Foundry Co Form-R facts
Compare this facility
See how Sioux City Foundry Co stacks up against nearby facilities and the typical reporter.
99% less than the comparison
5.0× 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 Sioux City Foundry Co releases toxic chemicals into the environment. Total: 110 lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 85% (32 lbs to 5 lbs).
Sioux City Foundry Co: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Sioux City Foundry Co year-over-year reported totals (decreased by 85% 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: Nickel.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 32 lbs | 4 |
| 2020 | 21 lbs | 4 |
| 2021 | 28 lbs | 4 |
| 2022 | 23 lbs | 4 |
| 2023 | 5 lbs | 4 |
Sioux City Foundry Co · AIR-pathway site
Nearest TRI Facilities to Sioux City Foundry Co
Closest other reporters in Iowa - including Missouri Valley Steel Co, Standard Ready Mix Concrete Co Sioux City Plant, Cargill Inc, ordered by distance.
Showing 8 of 459 other reporting facilities in Iowa.
Similar Fabricated Metals Facilities
Other Fabricated Metals facilities with similar total release volumes (±80%), outside Iowa - e.g. National Oilwell Varco LP, Greer Stop Nut Inc, Winchester Interconnect Rf Corp.
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 Nickel, Chromium, Manganese, Lead; nearby reporters include Missouri Valley Steel Co. Sioux City Foundry Co stamps TRACE volume · AIR pathway · CARC-MID 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 Sioux City Foundry Co TRI extract (TRACE · AIR · CARC-MID · lead Nickel) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Sioux City Foundry Co totals are self-reported EPCRA §313 estimates for Sioux City, IA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 332312 · Fabricated Metals. 0.0% of Woodbury TRI pounds in this extract. Nearest ABS peer: Russelectric a Siemens Business (Δ 0 lbs). Pounds ≠ exposure.
Sioux City Foundry Co stamps TRACE volume · AIR pathway · CARC-MID · lead Nickel. 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