EPA TRI Facility · Primary Metals
Republic Conduit Manufacturing
Louisville, KY · Parent: Nucor Corp
- Total releases
- 458.9K lbs
- Chemicals reported
- 8
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Republic Conduit Manufacturing: how the 458.9K lbs splits
458.9K lbs across all reported pathways
- Off-site Transfers 382.6K lbs 83.4%
- Air Releases 76.3K lbs 16.6%
- Water Discharges 8 lbs <0.1%
- Land Disposal 0 lbs <0.1%
Republic Conduit Manufacturing's 458.9K lbs Form-R total is OFFSITE - off-site transfers is 83.4% of the bar. Next segment: air releases at 16.6%. Leading chemical by pounds: Zinc compounds.
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
Republic Conduit Manufacturing is an EPA Toxics Release Inventory reporter in Louisville, KY, in the primary metals sector. It reported 126.0K lbs of releases across 7 chemicals in 2023, and 458.9K lbs in total across its 2019-2023 reporting years. That ranks 2,049 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Kentucky's 422 reporting TRI sites, pounds #1 is not chemical-count #1. Republic Conduit Manufacturing is pounds #61 and chemical-count #77 at 458.9K lbs. North American Stainless leads reported pounds (35.2M lbs) at 15 chemicals (chemical-count #36). Safety-Kleen Systems Inc. leads chemical count at 50 chemicals (725.8K lbs, pounds #50). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Kentucky Trailer Paint; Misa Metal Fabricating Inc; Zschimmer & Schwarz Interpolymer; Bakelite Synthetics. Similar-scale Primary Metals peers outside Kentucky: Zekelman Industries, Sharon Tube Division-Church St; Charter Steel Risingsun; Allegheny & Tsingshan Stainless LLC; Cleveland-Cliffs Weirton LLC. Other Nucor Corp sites in this extract: Nucor Steel-Berkeley; Nucor Steel Tuscaloosa Inc; Nucor Steel; Nucor Steel Hertford County. Largest disclosed chemicals by pounds: Zinc compounds; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Certain glycol ethers; sec-Butyl alcohol.
Republic Conduit Manufacturing stamps MID volume with a dominant OFFSITE pathway (83.4% off-site transfers) across 8 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 458.9K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Zekelman Industries, Sharon Tube Division-Church St and Charter Steel Risingsun.
Republic Conduit Manufacturing vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
459K 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
Republic Conduit Manufacturing: Zinc compounds-led volume
Among the 1,603 Primary Metals facilities in this database, Republic Conduit Manufacturing reports the 222nd-largest volume, placing it in the top 13.8% of its sector. Its reported volume is concentrated rather than spread: Zinc compounds alone is 72.9% of the total. Scale peers outside Kentucky include Zekelman Industries, Sharon Tube Division-Church St and Charter Steel Risingsun.
Concentrated means ≥60% of Republic Conduit Manufacturing's pounds in one chemical - here Zinc compounds at 72.9%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Republic Conduit Manufacturing's total reported releases rose from 88.0 thousand lb in 2022 to 126.0 thousand lb in 2023, based on EPA TRI filings.
- Republic Conduit Manufacturing's off-site transfers rose from 69.7 thousand lb in 2022 to 103.2 thousand lb in 2023, based on EPA TRI filings.
- Republic Conduit Manufacturing's air releases rose from 18.3 thousand lb in 2022 to 22.8 thousand lb in 2023, based on EPA TRI filings.
Republic Conduit Manufacturing Form-R facts
Compare this facility
See how Republic Conduit Manufacturing stacks up against nearby facilities and the typical reporter.
9.8× 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 Republic Conduit Manufacturing releases toxic chemicals into the environment. Total: 458.9K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 47% (85.9K lbs to 126.0K lbs).
Republic Conduit Manufacturing: 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 Republic Conduit Manufacturing year-over-year reported totals (increased by 47% 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 | 85.9K lbs | 6 |
| 2020 | 71.7K lbs | 7 |
| 2021 | 87.3K lbs | 7 |
| 2022 | 88.0K lbs | 7 |
| 2023 | 126.0K lbs | 7 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc compounds | 334.5K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 38.1K lbs | - |
| Certain glycol ethers | 37.7K lbs | - |
| sec-Butyl alcohol | 31.6K lbs | - |
| Lead | 14.0K lbs | Carcinogen |
| Nitric acid | 2.0K lbs | - |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 801 lbs | - |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 190 lbs | - |
Republic Conduit Manufacturing · OFFSITE-pathway site
Nearest TRI Facilities to Republic Conduit Manufacturing
Closest other reporters in Kentucky - including Kentucky Trailer Paint, Misa Metal Fabricating Inc, Zschimmer & Schwarz Interpolymer, ordered by distance.
Showing 8 of 421 other reporting facilities in Kentucky.
Similar Primary Metals Facilities
Other Primary Metals facilities with similar total release volumes (±80%), outside Kentucky - e.g. Zekelman Industries, Sharon Tube Division-Church St, Charter Steel Risingsun, Allegheny & Tsingshan Stainless LLC.
Compare beyond Kentucky
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Republic Conduit Manufacturing on cumulative reported pounds (458.9K lbs) and distinct chemical count (8). Release-pound peers include Valero Refining - Meraux LLC Meraux Refinery, Bakelite Synthetics, Suncor Energy Commerce City Refinery. 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.
- Valero Refining - Meraux LLC Meraux Refinery Meraux, LA · Petroleum 457.8K lbs reported
- Bakelite Synthetics Riegelwood, NC · Chemicals 460.2K lbs reported
- Suncor Energy Commerce City Refinery Commerce City, CO · Petroleum 460.2K lbs reported
- Zekelman Industries, Sharon Tube Division-Church St Farrell, PA · Primary Metals 457.5K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Nucor Corp Facilities
Same-parent TRI sites ranked by reported releases - including Nucor Steel-Berkeley, Nucor Steel Tuscaloosa Inc, Nucor Steel.
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), Certain glycol ethers, sec-Butyl alcohol; nearby reporters include Kentucky Trailer Paint. Republic Conduit Manufacturing 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 Republic Conduit Manufacturing TRI extract (MID · OFFSITE · CARC-LEAN · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Republic Conduit Manufacturing totals are self-reported EPCRA §313 estimates for Louisville, KY, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 331210 · Primary Metals. 2.1% of Jefferson TRI pounds in this extract. Nearest ABS peer: Valero Refining - Meraux LLC Meraux Refinery (Δ 1.1K lbs). Pounds ≠ exposure.
Republic Conduit Manufacturing stamps MID volume · OFFSITE pathway · CARC-LEAN · 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