EPA TRI Facility · Primary Metals
Northern Stainless Corp
Pewaukee, WI
- Total releases
- 22.5K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Northern Stainless Corp: how the 22.5K lbs splits
22.5K lbs across all reported pathways
- Off-site Transfers 17.6K lbs 78.4%
- Air Releases 4.8K lbs 21.3%
- Water Discharges 75 lbs 0.3%
Northern Stainless Corp's 22.5K lbs Form-R total is OFFSITE - off-site transfers is 78.4% of the bar. Next segment: air releases at 21.3%. Leading chemical by pounds: Chromium.
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.
LIGHT volume OFFSITE pathway CARC-MID
Northern Stainless Corp is an EPA Toxics Release Inventory reporter in Pewaukee, WI, in the primary metals sector. It reported 4.8K lbs of releases across 3 chemicals in 2023, and 22.5K lbs in total across its 2019-2023 reporting years. That ranks 7,979 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. Northern Stainless Corp is pounds #320 and chemical-count #360 at 22.5K 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 fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Prime Leather Finishes Co; Cooper Power Systems LLC; Ge Healthcare-Waukesha; Southern Graphic Systems LLC. Similar-scale Primary Metals peers outside Wisconsin: Phillips & Johnston Rock River Fabrications; Nikkei Mc Aluminum America Inc; Decatur Foundry Inc; Hydro Extrusion USA LLC. Largest disclosed chemicals by pounds: Chromium; Nickel; Copper.
Northern Stainless Corp stamps LIGHT volume with a dominant OFFSITE pathway (78.4% off-site transfers) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 22.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Phillips & Johnston Rock River Fabrications and Nikkei Mc Aluminum America Inc.
Northern Stainless Corp vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
22K lbs Top 31% higher than 69% 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
Northern Stainless Corp in the Primary Metals sector extract
Among the 1,603 Primary Metals facilities in this database, Northern Stainless Corp reports the 626th-largest volume (22.5K lbs). Scale peers outside Wisconsin include Phillips & Johnston Rock River Fabrications and Nikkei Mc Aluminum America 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
- Northern Stainless Corp's total reported releases fell from 5.4 thousand lb in 2022 to 4.8 thousand lb in 2023, based on EPA TRI filings.
- Northern Stainless Corp's off-site transfers fell from 4.2 thousand lb in 2022 to 3.8 thousand lb in 2023, based on EPA TRI filings.
- Northern Stainless Corp's air releases fell from 1.2 thousand lb in 2022 to 1.0 thousand lb in 2023, based on EPA TRI filings.
Northern Stainless Corp Form-R facts
Compare this facility
See how Northern Stainless Corp stacks up against nearby facilities and the typical reporter.
9.9× more than the comparison
3.0× 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 Northern Stainless Corp releases toxic chemicals into the environment. Total: 22.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 36% (3.6K lbs to 4.8K lbs).
Northern Stainless Corp: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Northern Stainless Corp year-over-year reported totals (increased by 36% 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.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 3.6K lbs | 3 |
| 2020 | 3.6K lbs | 3 |
| 2021 | 5.1K lbs | 3 |
| 2022 | 5.4K lbs | 3 |
| 2023 | 4.8K lbs | 3 |
Northern Stainless Corp · OFFSITE-pathway site
Nearest TRI Facilities to Northern Stainless Corp
Closest other reporters in Wisconsin - including Prime Leather Finishes Co, Cooper Power Systems LLC, Ge Healthcare-Waukesha, 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. Phillips & Johnston Rock River Fabrications, Nikkei Mc Aluminum America Inc, Decatur Foundry Inc.
Compare beyond Wisconsin
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Northern Stainless Corp on cumulative reported pounds (22.5K lbs) and distinct chemical count (3). Release-pound peers include Metaldyne Sinterforged Products LLC, Cooper-Standard Automotive Inc., Rollex Corp. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International Inc. 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.
- Metaldyne Sinterforged Products LLC North Vernon, IN · Transportation Equipment 22.5K lbs reported
- Cooper-Standard Automotive Inc. Goldsboro, NC · Plastics and Rubber 22.5K lbs reported
- Rollex Corp Elk Grove Village, IL · Fabricated Metals 22.5K lbs reported
- Taylor Made Products LLC Gloversville, NY · Plastics and Rubber 22.5K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
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, Nickel, Copper; nearby reporters include Prime Leather Finishes Co. Northern Stainless Corp stamps LIGHT volume · OFFSITE 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 Northern Stainless Corp TRI extract (LIGHT · OFFSITE · CARC-MID · lead Chromium) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Northern Stainless Corp totals are self-reported EPCRA §313 estimates for Pewaukee, WI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331513 · Primary Metals. 1.1% of Waukesha TRI pounds in this extract. Nearest ABS peer: Metaldyne Sinterforged Products LLC (Δ 9 lbs). Pounds ≠ exposure.
Northern Stainless Corp stamps LIGHT volume · OFFSITE pathway · CARC-MID · lead Chromium. 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