EPA TRI Facility · Fabricated Metals
Mayco Manufacturing LLC
Granite City, IL · Parent: Mayco Holdings LLC
- Total releases
- 9.0K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Mayco Manufacturing LLC: how the 9.0K lbs splits
9.0K lbs across all reported pathways
- Off-site Transfers 8.7K lbs 97.3%
- Air Releases 235 lbs 2.6%
- Water Discharges 8 lbs 0.1%
- Land Disposal 0 lbs <0.1%
Mayco Manufacturing LLC's 9.0K lbs Form-R total is OFFSITE - off-site transfers is 97.3% of the bar. Next segment: air releases at 2.6%. Leading chemical by pounds: Lead And Lead 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.
LIGHT volume OFFSITE pathway TRACE-CARC
Mayco Manufacturing LLC is an EPA Toxics Release Inventory reporter in Granite City, IL, in the fabricated metals sector. It reported 160 lbs of releases across 3 chemicals in 2023, and 9.0K lbs in total across its 2019-2023 reporting years. That ranks 10,041 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. Mayco Manufacturing LLC is pounds #427 and chemical-count #422 at 9.0K 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: Granite City Pickling & Warehousing Inc.; Prairie Farms Dairy Inc; Amsted Rail Co Inc; U.S. Steel Granite City Works. Similar-scale Fabricated Metals peers outside Illinois: Msp Industries; Bodycote Thermal Processing; Paulo - St. Louis; Bwxt Nuclear Operations Group. Other Mayco Holdings LLC sites in this extract: Mayco Manufacturing LLC. Largest disclosed chemicals by pounds: Lead And Lead Compounds; Antimony; Arsenic.
Mayco Manufacturing LLC stamps LIGHT volume with a dominant OFFSITE pathway (97.3% off-site transfers) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 9.0K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Msp Industries and Bodycote Thermal Processing.
Mayco Manufacturing LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
9.0K lbs Top 39% higher than 61% 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
Mayco Manufacturing LLC: Lead And Lead Compounds-led volume
Among the 3,421 Fabricated Metals facilities in this database, Mayco Manufacturing LLC reports the 1,192nd-largest volume (9.0K lbs). Its reported volume is concentrated rather than spread: Lead And Lead Compounds alone is 98.6% of the total. Scale peers outside Illinois include Msp Industries and Bodycote Thermal Processing.
Concentrated means ≥60% of Mayco Manufacturing LLC's pounds in one chemical - here Lead And Lead Compounds at 98.6%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Mayco Manufacturing LLC's total reported releases fell from 6.4 thousand lb in 2022 to 160 lb in 2023, based on EPA TRI filings.
- Mayco Manufacturing LLC's off-site transfers fell from 6.4 thousand lb in 2022 to 150 lb in 2023, based on EPA TRI filings.
Mayco Manufacturing LLC Form-R facts
Compare this facility
See how Mayco Manufacturing LLC stacks up against nearby facilities and the typical reporter.
2.5× 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 Mayco Manufacturing LLC releases toxic chemicals into the environment. Total: 9.0K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 100% (80 lbs to 160 lbs).
Mayco Manufacturing LLC: 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 Mayco Manufacturing LLC year-over-year reported totals (increased by 100% 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: Lead And Lead Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 80 lbs | 3 |
| 2020 | 1.3K lbs | 3 |
| 2021 | 1.1K lbs | 3 |
| 2022 | 6.4K lbs | 3 |
| 2023 | 160 lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead And Lead Compounds | 8.9K lbs | - |
| Antimony | 106 lbs | - |
| Arsenic | 23 lbs | Carcinogen |
Mayco Manufacturing LLC · OFFSITE-pathway site
Nearest TRI Facilities to Mayco Manufacturing LLC
Closest other reporters in Illinois - including Granite City Pickling & Warehousing Inc., Prairie Farms Dairy Inc, Amsted Rail Co Inc, 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. Msp Industries, Bodycote Thermal Processing, Paulo - St. Louis.
Compare beyond Illinois
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Mayco Manufacturing LLC on cumulative reported pounds (9.0K lbs) and distinct chemical count (3). Release-pound peers include Sherwin-Williams Co, American Axle & Manufacturing Inc, US Dod Usaf Shaw Afb. 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Mayco Holdings LLC Facilities
Same-parent TRI sites ranked by reported releases - including Mayco Manufacturing 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 Lead And Lead Compounds, Antimony, Arsenic; nearby reporters include Granite City Pickling & Warehousing Inc.. Mayco Manufacturing LLC stamps LIGHT 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 Mayco Manufacturing LLC TRI extract (LIGHT · OFFSITE · TRACE-CARC · lead Lead And Lead Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Mayco Manufacturing LLC totals are self-reported EPCRA §313 estimates for Granite City, IL, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 332992 · Fabricated Metals. 0.0% of Madison TRI pounds in this extract. Nearest ABS peer: Sherwin-Williams Co (Δ 1 lbs). Pounds ≠ exposure.
Mayco Manufacturing LLC stamps LIGHT volume · OFFSITE pathway · TRACE-CARC · lead Lead And Lead 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