EPA TRI Facility · Fabricated Metals
Metform LLC
Mount Carroll, IL · Parent: Maclean-Fogg Co
- Total releases
- 5.6K lbs
- Chemicals reported
- 4
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Metform LLC: how the 5.6K lbs splits
5.6K lbs across all reported pathways
- Air Releases 5.6K lbs 100.0%
Metform LLC's 5.6K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. 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 AIR pathway CARC-LEAN
Metform LLC is an EPA Toxics Release Inventory reporter in Mount Carroll, IL, in the fabricated metals sector. It reported 327 lbs of releases across 4 chemicals in 2023, and 5.6K lbs in total across its 2019-2023 reporting years. That ranks 10,971 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Illinois's 951 reporting TRI sites, pounds #1 is not chemical-count #1. Metform LLC is pounds #483 and chemical-count #319 at 5.6K lbs. Prairie State Generating Co leads reported pounds (37.9M lbs) at 31 chemicals (chemical-count #8). Veolia N.a. Inc. leads chemical count at 141 chemicals (1.9M lbs, pounds #34). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Elkay Plumbing Products Co; Powerlab Inc; Elkay Plumbing Products Co; Metform L.L.C. Hot Formed Products Plant. Similar-scale Fabricated Metals peers outside Illinois: Cleveland Steel Container - Kilgore; Nibco Inc Nacogdoches Plant; Alaskan Copper Works; Quality Manufacturing Corp - Urbandale. Other Maclean-Fogg Co sites in this extract: Metform L.L.C. Hot Formed Products Plant; Maclean-Fogg Component Systems; Maclean Mallard LLC. Largest disclosed chemicals by pounds: Chromium; Manganese; Nickel; Lead.
Metform LLC stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 4 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 5.6K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Cleveland Steel Container - Kilgore and Nibco Inc Nacogdoches Plant.
Metform LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
5.6K lbs Top 42% higher than 58% 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
Metform LLC in the Fabricated Metals sector extract
Among the 3,421 Fabricated Metals facilities in this database, Metform LLC reports the 1,329th-largest volume (5.6K lbs). Scale peers outside Illinois include Cleveland Steel Container - Kilgore and Nibco Inc Nacogdoches Plant.
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
- Metform LLC's total reported releases fell from 1.9 thousand lb in 2022 to 327 lb in 2023, based on EPA TRI filings.
- Metform LLC's air releases fell from 1.9 thousand lb in 2022 to 327 lb in 2023, based on EPA TRI filings.
Metform LLC Form-R facts
Compare this facility
See how Metform LLC stacks up against nearby facilities and the typical reporter.
2.9× more than the comparison
About the same as 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 Metform LLC releases toxic chemicals into the environment. Total: 5.6K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 71% (1.1K lbs to 327 lbs).
Metform LLC: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Metform LLC year-over-year reported totals (decreased by 71% 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 | 1.1K lbs | 2 |
| 2020 | 991 lbs | 2 |
| 2021 | 1.3K lbs | 2 |
| 2022 | 1.9K lbs | 4 |
| 2023 | 327 lbs | 4 |
Metform LLC · AIR-pathway site
Nearest TRI Facilities to Metform LLC
Closest other reporters in Illinois - including Elkay Plumbing Products Co, Powerlab Inc, Elkay Plumbing Products Co, ordered by distance.
Showing 8 of 950 other reporting facilities in Illinois.
Similar Fabricated Metals Facilities
Other Fabricated Metals facilities with similar total release volumes (±80%), outside Illinois - e.g. Cleveland Steel Container - Kilgore, Nibco Inc Nacogdoches Plant, Alaskan Copper Works.
Compare beyond Illinois
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Metform LLC on cumulative reported pounds (5.6K lbs) and distinct chemical count (4). Release-pound peers include Strem Chemicals Inc., Ak Steel Corp, Swift Prepared Foods - Moberly. 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.
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
Other Maclean-Fogg Co Facilities
Same-parent TRI sites ranked by reported releases - including Metform L.L.C. Hot Formed Products Plant, Maclean-Fogg Component Systems, Maclean Mallard LLC.
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, Manganese, Nickel, Lead; nearby reporters include Elkay Plumbing Products Co. Metform LLC stamps LIGHT volume · AIR 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 Metform LLC TRI extract (LIGHT · AIR · CARC-LEAN · lead Chromium) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Metform LLC totals are self-reported EPCRA §313 estimates for Mount Carroll, IL, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 332722 · Fabricated Metals. 3.5% of Carroll TRI pounds in this extract. Nearest ABS peer: Strem Chemicals Inc. (Δ 0 lbs). Pounds ≠ exposure.
Metform LLC stamps LIGHT volume · AIR pathway · CARC-LEAN · 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