EPA TRI Facility · Primary Metals
Nlmk Indiana
Portage, IN
- Total releases
- 261.9K lbs
- Chemicals reported
- 6
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Nlmk Indiana: how the 261.9K lbs splits
261.9K lbs across all reported pathways
- Off-site Transfers 156.2K lbs 59.7%
- Air Releases 105.6K lbs 40.3%
- Water Discharges 22 lbs <0.1%
- Land Disposal 0 lbs <0.1%
Nlmk Indiana's 261.9K lbs Form-R total is MIXED - off-site transfers is 59.7% of the bar. Next segment: air releases at 40.3%. Leading chemical by pounds: Zinc (fume or dust).
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 MIXED pathway CARC-LEAN
Nlmk Indiana is an EPA Toxics Release Inventory reporter in Portage, IN, in the primary metals sector. It reported 20.5K lbs of releases across 5 chemicals in 2023, and 261.9K lbs in total across its 2019-2023 reporting years. That ranks 2,798 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Indiana's 871 reporting TRI sites, pounds #1 is not chemical-count #1. Nlmk Indiana is pounds #143 and chemical-count #156 at 261.9K lbs. Uss Gary Works leads reported pounds (77.4M lbs) at 36 chemicals (chemical-count #9). Tradebe Treatment & Recycling LLC leads chemical count at 98 chemicals (11.9M lbs, pounds #12). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: US Steel Corp Midwest Plant; Pvs Technologies Inc.; Monosol - Duneland Plant; Sequa Coatings Corp-Precoat Metals Div. Similar-scale Primary Metals peers outside Indiana: General Motors LLC Global Propulsion Systems -Defiance; Everzinc USA Millington; Magotteaux Inc; Johnstown Wire Technologies Inc.. Largest disclosed chemicals by pounds: Zinc (fume or dust); Manganese; Chromium; Lead.
Nlmk Indiana is a MID · MIXED-pathway Form-R site in Portage, IN: 261.9K lbs across 6 chemicals (1 carcinogen-classified, CARC-LEAN). No single media clears 70% of the bar (lead segment off-site transfers at 59.7%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include General Motors LLC Global Propulsion Systems -Defiance and Everzinc USA Millington.
Nlmk Indiana vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
262K lbs Top 11% higher than 89% 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
Nlmk Indiana: Zinc (fume or dust)-led volume
Among the 1,603 Primary Metals facilities in this database, Nlmk Indiana reports the 274th-largest volume, placing it in the top 17.1% of its sector. Its reported volume is concentrated rather than spread: Zinc (fume or dust) alone is 74.3% of the total. Scale peers outside Indiana include General Motors LLC Global Propulsion Systems -Defiance and Everzinc USA Millington.
Concentrated means ≥60% of Nlmk Indiana's pounds in one chemical - here Zinc (fume or dust) at 74.3%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Nlmk Indiana's total reported releases fell from 37.9 thousand lb in 2022 to 20.5 thousand lb in 2023, based on EPA TRI filings.
- Nlmk Indiana's air releases fell from 34.7 thousand lb in 2022 to 17.6 thousand lb in 2023, based on EPA TRI filings.
- Nlmk Indiana's off-site transfers fell from 3.2 thousand lb in 2022 to 2.8 thousand lb in 2023, based on EPA TRI filings.
Nlmk Indiana Form-R facts
Compare this facility
See how Nlmk Indiana stacks up against nearby facilities and the typical reporter.
85% less than the comparison
25% 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 Nlmk Indiana releases toxic chemicals into the environment. Total: 261.9K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 87% (162.2K lbs to 20.5K lbs).
Nlmk Indiana: annual Form-R pounds
MID site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Nlmk Indiana year-over-year reported totals (decreased by 87% 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 (fume or dust).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 162.2K lbs | 6 |
| 2020 | 22.7K lbs | 5 |
| 2021 | 18.5K lbs | 5 |
| 2022 | 37.9K lbs | 5 |
| 2023 | 20.5K lbs | 5 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 6 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc (fume or dust) | 194.6K lbs | - |
| Manganese | 39.7K lbs | - |
| Chromium | 19.2K lbs | - |
| Lead | 7.2K lbs | Carcinogen |
| Copper | 1.2K lbs | - |
| Mercury And Mercury Compounds | 0 lbs | - |
Nlmk Indiana in Porter
Nearest TRI Facilities to Nlmk Indiana
Closest other reporters in Indiana - including US Steel Corp Midwest Plant, Pvs Technologies Inc., Monosol - Duneland Plant, ordered by distance.
Showing 8 of 870 other reporting facilities in Indiana.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Indiana - e.g. General Motors LLC Global Propulsion Systems -Defiance, Everzinc USA Millington, Magotteaux Inc.
Compare beyond Indiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Nlmk Indiana on cumulative reported pounds (261.9K lbs) and distinct chemical count (6). Release-pound peers include Haysite Reinforced Plastics LLC, Parker Rust-Proof of Cleveland, Salo Manufacturing Inc. Chemical-count peers include Eaton Intelligent Power Ltd, Leoni Wire Inc, Turf Care Supply-Hatfield Plant. 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.
- Haysite Reinforced Plastics LLC Erie, PA · Plastics and Rubber 261.8K lbs reported
- Parker Rust-Proof of Cleveland Cleveland, OH · Fabricated Metals 262.1K lbs reported
- Salo Manufacturing Inc Menahga, MN · Plastics and Rubber 262.1K lbs reported
- Championx-Freeport Freeport, TX · Chemicals 262.2K 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 Zinc (fume or dust), Manganese, Chromium, Lead; nearby reporters include US Steel Corp Midwest Plant. Nlmk Indiana stamps MID volume · MIXED 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 Nlmk Indiana TRI extract (MID · MIXED · CARC-LEAN · lead Zinc (fume or dust)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Nlmk Indiana totals are self-reported EPCRA §313 estimates for Portage, IN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331110 · Primary Metals. 0.7% of Porter TRI pounds in this extract. Nearest ABS peer: Haysite Reinforced Plastics LLC (Δ 17 lbs). Pounds ≠ exposure.
Nlmk Indiana stamps MID · MIXED pathway (off-site transfers leads at 59.7%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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