EPA TRI Facility · Primary Metals
Grede LLC - Iron Mountain
Kingsford, MI · Parent: Grede Holdings LLC
- Total releases
- 764.6K lbs
- Chemicals reported
- 8
- Carcinogens
- 2
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Grede LLC - Iron Mountain: how the 764.6K lbs splits
764.6K lbs across all reported pathways
- Off-site Transfers 761.2K lbs 99.6%
- Air Releases 3.4K lbs 0.4%
Grede LLC - Iron Mountain's 764.6K lbs Form-R total is OFFSITE - off-site transfers is 99.6% of the bar. Next segment: air releases at 0.4%. Leading chemical by pounds: Manganese.
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 CARC-LEAN
Grede LLC - Iron Mountain is an EPA Toxics Release Inventory reporter in Kingsford, MI, in the primary metals sector. It reported 161.7K lbs of releases across 8 chemicals in 2023, and 764.6K lbs in total across its 2019-2023 reporting years. That ranks 1,529 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Michigan's 791 reporting TRI sites, pounds #1 is not chemical-count #1. Grede LLC - Iron Mountain is pounds #51 and chemical-count #102 at 764.6K lbs. Cleveland-Cliffs Steel Corp Dearborn Works leads reported pounds (53.0M lbs) at 17 chemicals (chemical-count #27). Eq Detroit Inc leads chemical count at 71 chemicals (14.0M lbs, pounds #5). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Nelson Paint Co of Michigan; Boss Products a Div of the Toro Co; Systems Control; Billerud Quinnesec. Similar-scale Primary Metals peers outside Michigan: Real Alloy Recycling LLC; Basf Corp; Superior Tube Co Inc; Sdi Lafarga LLC. Other Grede Holdings LLC sites in this extract: Grede Foundries; Advanced Cast Products Inc; Grede LLC Saint Cloud; Grede II - Brewton. Largest disclosed chemicals by pounds: Manganese; Zinc compounds; Lead; Chromium.
Grede LLC - Iron Mountain stamps MID volume with a dominant OFFSITE pathway (99.6% off-site transfers) across 8 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 764.6K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Real Alloy Recycling LLC and Basf Corp.
Grede LLC - Iron Mountain vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
765K lbs Top 6% higher than 94% 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
Grede LLC - Iron Mountain in the Primary Metals sector extract
Among the 1,603 Primary Metals facilities in this database, Grede LLC - Iron Mountain reports the 172nd-largest volume, placing it in the top 10.7% of its sector. Scale peers outside Michigan include Real Alloy Recycling LLC and Basf Corp.
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
- Grede LLC - Iron Mountain's total reported releases fell from 172.0 thousand lb in 2022 to 161.7 thousand lb in 2023, based on EPA TRI filings.
- Grede LLC - Iron Mountain's off-site transfers fell from 171.2 thousand lb in 2022 to 160.9 thousand lb in 2023, based on EPA TRI filings.
- Grede LLC - Iron Mountain's air releases fell from 849 lb in 2022 to 836 lb in 2023, based on EPA TRI filings.
Grede LLC - Iron Mountain Form-R facts
Compare this facility
See how Grede LLC - Iron Mountain stacks up against nearby facilities and the typical reporter.
116.2× more than the comparison
8.0× 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 Grede LLC - Iron Mountain releases toxic chemicals into the environment. Total: 764.6K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 6% (152.9K lbs to 161.7K lbs).
Grede LLC - Iron Mountain: annual Form-R pounds
MID site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Grede LLC - Iron Mountain year-over-year reported totals (increased by 6% 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: Manganese.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 152.9K lbs | 8 |
| 2020 | 107.8K lbs | 8 |
| 2021 | 170.3K lbs | 8 |
| 2022 | 172.0K lbs | 8 |
| 2023 | 161.7K lbs | 8 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Manganese | 388.6K lbs | - |
| Zinc compounds | 351.5K lbs | - |
| Lead | 10.1K lbs | Carcinogen |
| Chromium | 5.7K lbs | - |
| Copper | 5.6K lbs | - |
| Phenol | 3.1K lbs | - |
| Diisocyanates | 0 lbs | - |
| Nickel | 0 lbs | Carcinogen |
Grede LLC - Iron Mountain · OFFSITE-pathway site
Nearest TRI Facilities to Grede LLC - Iron Mountain
Closest other reporters in Michigan - including Nelson Paint Co of Michigan, Boss Products a Div of the Toro Co, Systems Control, ordered by distance.
Showing 8 of 790 other reporting facilities in Michigan.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Michigan - e.g. Real Alloy Recycling LLC, Basf Corp, Superior Tube Co Inc.
Compare beyond Michigan
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Grede LLC - Iron Mountain on cumulative reported pounds (764.6K lbs) and distinct chemical count (8). Release-pound peers include Gcc Rio Grande Inc, Master Woodcraft Cabinetry LLC, Tse Industries 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.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Gcc Rio Grande Inc Pueblo, CO · Nonmetallic Mineral Product 764.2K lbs reported
- Master Woodcraft Cabinetry LLC Thompsontown, PA · Furniture 764.0K lbs reported
- Tse Industries Inc. Clearwater, FL · Plastics and Rubber 763.7K lbs reported
- Ultramar Inc Wilmington Refinery Wilmington, CA · Petroleum 762.5K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Grede Holdings LLC Facilities
Same-parent TRI sites ranked by reported releases - including Grede Foundries, Advanced Cast Products Inc, Grede LLC Saint Cloud.
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 Manganese, Zinc compounds, Lead, Chromium; nearby reporters include Nelson Paint Co of Michigan. Grede LLC - Iron Mountain stamps MID volume · OFFSITE 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 Grede LLC - Iron Mountain TRI extract (MID · OFFSITE · CARC-LEAN · lead Manganese) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Grede LLC - Iron Mountain totals are self-reported EPCRA §313 estimates for Kingsford, MI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331511 · Primary Metals. 22.3% of Dickinson TRI pounds in this extract. Nearest ABS peer: Gcc Rio Grande Inc (Δ 464 lbs). Pounds ≠ exposure.
Grede LLC - Iron Mountain stamps MID volume · OFFSITE pathway · CARC-LEAN · lead Manganese. 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