EPA TRI Facility · Primary Metals
Grede Foundries
Reedsburg, WI · Parent: Grede Holdings LLC
- Total releases
- 984.1K lbs
- Chemicals reported
- 7
- Carcinogens
- 2
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Grede Foundries: how the 984.1K lbs splits
984.1K lbs across all reported pathways
- Off-site Transfers 983.2K lbs 99.9%
- Air Releases 972 lbs 0.1%
Grede Foundries's 984.1K lbs Form-R total is OFFSITE - off-site transfers is 99.9% of the bar. Next segment: air releases at 0.1%. 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 TRACE-CARC
Grede Foundries is an EPA Toxics Release Inventory reporter in Reedsburg, WI, in the primary metals sector. It reported 227.3K lbs of releases across 5 chemicals in 2023, and 984.1K lbs in total across its 2019-2023 reporting years. That ranks 1,313 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Wisconsin's 836 reporting TRI sites, pounds #1 is not chemical-count #1. Grede Foundries is pounds #30 and chemical-count #95 at 984.1K lbs. Mullins Cheese Inc leads reported pounds (11.2M lbs) at 3 chemicals (chemical-count #319). Ppg Industries Inc-Oak Creek leads chemical count at 32 chemicals (2.2M lbs, pounds #16). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Foremost Farms USA; Saputo Cheese USA; Plateco Inc; Seats Inc. Similar-scale Primary Metals peers outside Wisconsin: Nucor Steel Marion Inc; Esco Group LLC; Steel Dynamics Inc Flat Roll Group Columbus Div; Asahi Refining USA Inc. Other Grede Holdings LLC sites in this extract: Grede LLC - Iron Mountain; Advanced Cast Products Inc; Grede LLC Saint Cloud; Grede II - Brewton. Largest disclosed chemicals by pounds: Manganese; Zinc compounds; Copper; Lead.
Grede Foundries stamps MID volume with a dominant OFFSITE pathway (99.9% off-site transfers) across 7 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 984.1K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Nucor Steel Marion Inc and Esco Group LLC.
Grede Foundries vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
984K lbs Top 5% higher than 95% 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 Foundries inside Sauk's TRI pounds
Among the 1,603 Primary Metals facilities in this database, Grede Foundries reports the 143rd-largest volume, placing it in the top 8.9% of its sector. This one site accounts for 38.9% of every pound reported in Sauk. Its reported volume is concentrated rather than spread: Manganese alone is 84.0% of the total. Scale peers outside Wisconsin include Nucor Steel Marion Inc and Esco Group LLC.
County-dominant here means ≥25% of Sauk's reported pounds (2.5M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Grede Foundries's total reported releases rose from 203.6 thousand lb in 2022 to 227.3 thousand lb in 2023, based on EPA TRI filings.
- Grede Foundries's off-site transfers rose from 203.3 thousand lb in 2022 to 227.0 thousand lb in 2023, based on EPA TRI filings.
Grede Foundries Form-R facts
Compare this facility
See how Grede Foundries stacks up against nearby facilities and the typical reporter.
17.5× more than the comparison
3.5× 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 Foundries releases toxic chemicals into the environment. Total: 984.1K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 15% (267.2K lbs to 227.3K lbs).
Grede Foundries: 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 Foundries year-over-year reported totals (decreased by 15% 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 | 267.2K lbs | 5 |
| 2020 | 124.7K lbs | 4 |
| 2021 | 161.5K lbs | 6 |
| 2022 | 203.6K lbs | 5 |
| 2023 | 227.3K lbs | 5 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 7 chemicals are carcinogens. Sorted by total release volume.
Grede Foundries · OFFSITE-pathway site
Nearest TRI Facilities to Grede Foundries
Closest other reporters in Wisconsin - including Foremost Farms USA, Saputo Cheese USA, Plateco Inc, ordered by distance.
Showing 8 of 835 other reporting facilities in Wisconsin.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Wisconsin - e.g. Nucor Steel Marion Inc, Esco Group LLC, Steel Dynamics Inc Flat Roll Group Columbus Div.
Compare beyond Wisconsin
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Grede Foundries on cumulative reported pounds (984.1K lbs) and distinct chemical count (7). Release-pound peers include Precoat Metals, Lone Star Industries DBA Buzzi Unicem USA, Nucor Steel Marion Inc. Chemical-count peers include Hubbell Caribe Ltd, Celanese Microcircuits Industries Ltd., Virgin Islands Water & Power Authority. 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.
- Precoat Metals Jackson, MS · Fabricated Metals 984.5K lbs reported
- Lone Star Industries DBA Buzzi Unicem USA Maryneal, TX · Nonmetallic Mineral Product 985.4K lbs reported
- Nucor Steel Marion Inc Marion, OH · Primary Metals 982.2K lbs reported
- US Army Fort Irwin National Training Center Fort Irwin, CA · Other 981.7K 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 LLC - Iron Mountain, 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, Copper, Lead; nearby reporters include Foremost Farms USA. Grede Foundries 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 Grede Foundries TRI extract (MID · OFFSITE · TRACE-CARC · lead Manganese) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Grede Foundries totals are self-reported EPCRA §313 estimates for Reedsburg, WI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331511 · Primary Metals. 38.9% of Sauk TRI pounds in this extract. Nearest ABS peer: Precoat Metals (Δ 382 lbs). Pounds ≠ exposure.
Grede Foundries stamps MID volume · OFFSITE pathway · TRACE-CARC · 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