EPA TRI Facility · Primary Metals
Flat Rock Metal Inc.
Flat Rock, MI
- Total releases
- 464.9K lbs
- Chemicals reported
- 4
- Latest report
- 2023
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Flat Rock Metal Inc.: how the 464.9K lbs splits
464.9K lbs across all reported pathways
- Off-site Transfers 464.9K lbs 100.0%
Flat Rock Metal Inc.'s 464.9K lbs Form-R total is OFFSITE - off-site transfers is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Zinc compounds.
MID volume OFFSITE pathway CLEAN
Flat Rock Metal Inc. is an EPA Toxics Release Inventory reporter in Flat Rock, MI, in the primary metals sector. It reported 92.7K lbs of releases across 3 chemicals in 2023, and 464.9K lbs in total across its 2019-2023 reporting years. That ranks 2,037 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. Flat Rock Metal Inc. is pounds #68 and chemical-count #248 at 464.9K 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Flat Rock Assembly Plant; Guardian Industries - Carleton; Ford Motor Co Woodhaven Stamping Plant; Marathon Pipe Line - Woodhaven Terminal. Similar-scale Primary Metals peers outside Michigan: Ferroglobe USA Bridgeport LLC; Cleveland-Cliffs Weirton LLC; Republic Conduit Manufacturing; Zekelman Industries, Sharon Tube Division-Church St. Largest disclosed chemicals by pounds: Zinc compounds; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Sodium nitrite; Sodium dimethyldithiocarbamate.
Flat Rock Metal Inc. stamps MID volume with a dominant OFFSITE pathway (100.0% off-site transfers) across 4 chemicals. Cumulative Form-R extract: 464.9K 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 Bridgeport LLC and Cleveland-Cliffs Weirton LLC.
Flat Rock Metal Inc. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
465K lbs Top 8% higher than 92% 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
Flat Rock Metal Inc.: Zinc compounds-led volume
Among the 1,603 Primary Metals facilities in this database, Flat Rock Metal Inc. reports the 220th-largest volume, placing it in the top 13.7% of its sector. Its reported volume is concentrated rather than spread: Zinc compounds alone is 77.5% of the total. Scale peers outside Michigan include Ferroglobe USA Bridgeport LLC and Cleveland-Cliffs Weirton LLC.
Concentrated means ≥60% of Flat Rock Metal Inc.'s pounds in one chemical - here Zinc compounds at 77.5%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Flat Rock Metal Inc.'s total reported releases rose from 91.5 thousand lb in 2022 to 92.7 thousand lb in 2023, based on EPA TRI filings.
- Flat Rock Metal Inc.'s chemicals reported fell from 4 in 2022 to 3 in 2023, based on EPA TRI filings.
- Flat Rock Metal Inc.'s off-site transfers rose from 91.5 thousand lb in 2022 to 92.7 thousand lb in 2023, based on EPA TRI filings.
Flat Rock Metal Inc. Form-R facts
Compare this facility
See how Flat Rock Metal Inc. stacks up against nearby facilities and the typical reporter.
2.5× more than the comparison
76% less 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 Flat Rock Metal Inc. releases toxic chemicals into the environment. Total: 464.9K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 4% (96.2K lbs to 92.7K lbs).
Flat Rock Metal Inc.: 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 Flat Rock Metal Inc. year-over-year reported totals (decreased by 4% 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: Zinc compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 96.2K lbs | 4 |
| 2020 | 91.5K lbs | 4 |
| 2021 | 92.9K lbs | 4 |
| 2022 | 91.5K lbs | 4 |
| 2023 | 92.7K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc compounds | 360.2K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 94.4K lbs | - |
| Sodium nitrite | 10.2K lbs | - |
| Sodium dimethyldithiocarbamate | 0 lbs | - |
Flat Rock Metal Inc. · OFFSITE-pathway site
Nearest TRI Facilities to Flat Rock Metal Inc.
Closest other reporters in Michigan - including Flat Rock Assembly Plant, Guardian Industries - Carleton, Ford Motor Co Woodhaven Stamping Plant, 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. Ferroglobe USA Bridgeport LLC, Cleveland-Cliffs Weirton LLC, Republic Conduit Manufacturing.
Compare beyond Michigan
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Flat Rock Metal Inc. on cumulative reported pounds (464.9K lbs) and distinct chemical count (4). Release-pound peers include Phillips 66 Co Billings Refinery, Ferroglobe USA Bridgeport LLC, Carmeuse Lime Inc Buffington. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Solenis 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.
- Phillips 66 Co Billings Refinery Billings, MT · Petroleum 465.0K lbs reported
- Ferroglobe USA Bridgeport LLC Bridgeport, AL · Primary Metals 465.3K lbs reported
- Carmeuse Lime Inc Buffington Gary, IN · Nonmetallic Mineral Product 465.3K lbs reported
- Cargill Inc West Fargo, ND · Food 464.4K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Hamilton Sundstrand de Puerto Rico Inc. Santa Isabel, PR · Transportation Equipment 4 chemicals
- Abb Installation Products Caribe LLC Vega Baja, PR · Electrical Equipment 4 chemicals
- Solenis LLC Chicopee, MA · Chemicals 4 chemicals
- Adhesive Applications Inc. - O'Neill St Easthampton Easthampton, MA · Miscellaneous Manufacturing 4 chemicals
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 Zinc compounds, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Sodium nitrite, Sodium dimethyldithiocarbamate; nearby reporters include Flat Rock Assembly Plant. Flat Rock Metal Inc. stamps MID volume · OFFSITE pathway · CLEAN 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 Flat Rock Metal Inc. TRI extract (MID · OFFSITE · CLEAN · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Flat Rock Metal Inc. totals are self-reported EPCRA §313 estimates for Flat Rock, MI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331221 · Primary Metals. 0.4% of Wayne TRI pounds in this extract. Nearest ABS peer: Phillips 66 Co Billings Refinery (Δ 83 lbs). Pounds ≠ exposure.
Flat Rock Metal Inc. stamps MID volume · OFFSITE pathway · CLEAN · lead Zinc compounds. 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