EPA TRI Facility · Fabricated Metals
Supreme Lake Manufacturing Inc
Plantsville, CT
- Total releases
- 57.8K lbs
- Chemicals reported
- 3
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Supreme Lake Manufacturing Inc: how the 57.8K lbs splits
57.8K lbs across all reported pathways
- Air Releases 57.8K lbs 100.0%
Supreme Lake Manufacturing Inc's 57.8K 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: Dichloromethane.
LIGHT volume AIR pathway CARC-HEAVY
Supreme Lake Manufacturing Inc is an EPA Toxics Release Inventory reporter in Plantsville, CT, in the fabricated metals sector. It reported 57.8K lbs of releases across 3 chemicals, summed over every year it filed. That ranks 5,797 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Connecticut's 240 reporting TRI sites, pounds #1 is not chemical-count #1. Supreme Lake Manufacturing Inc is pounds #38 and chemical-count #80 at 57.8K lbs. Clean Harbors of Connecticut Inc leads reported pounds (1.5M lbs) at 15 chemicals (chemical-count #2). Allnex USA Inc. Wallingford Ct Site leads chemical count at 19 chemicals (436.7K lbs, pounds #3). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: J J Ryan Corp; Torrey S Crane; Ogs Technologies LLC; Northeastern Shaped Wire Inc. Similar-scale Fabricated Metals peers outside Connecticut: Material Sciences Corp; Silgan Containers Manufacturing Corp; Tyler Coupling; Pioneer Metal Finishing LLC. Largest disclosed chemicals by pounds: Dichloromethane; Copper; Lead.
Supreme Lake Manufacturing Inc stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 3 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 57.8K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Material Sciences Corp and Silgan Containers Manufacturing Corp.
Supreme Lake Manufacturing Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
58K lbs Top 22% higher than 78% 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
Supreme Lake Manufacturing Inc: Dichloromethane-led volume
Among the 3,421 Fabricated Metals facilities in this database, Supreme Lake Manufacturing Inc reports the 643rd-largest volume, placing it in the top 18.8% of its sector. Its reported volume is concentrated rather than spread: Dichloromethane alone is 100% of the total. Carcinogen-classified chemicals make up 100% of the reported pounds, not just of the chemical count. Scale peers outside Connecticut include Material Sciences Corp and Silgan Containers Manufacturing Corp.
Concentrated means ≥60% of Supreme Lake Manufacturing Inc's pounds in one chemical - here Dichloromethane at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Supreme Lake Manufacturing Inc's total reported releases rose from 7.6 thousand lb in 2022 to 8.0 thousand lb in 2023, based on EPA TRI filings.
- Supreme Lake Manufacturing Inc's air releases rose from 7.6 thousand lb in 2022 to 8.0 thousand lb in 2023, based on EPA TRI filings.
Supreme Lake Manufacturing Inc Form-R facts
Compare this facility
See how Supreme Lake Manufacturing Inc stacks up against nearby facilities and the typical reporter.
112.1× 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 Supreme Lake Manufacturing Inc releases toxic chemicals into the environment. Total: 57.8K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 100% (14.9K lbs to 0 lbs).
Supreme Lake Manufacturing Inc: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Supreme Lake Manufacturing Inc year-over-year reported totals (decreased by 100% from 2019 to 2024). 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: Dichloromethane.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 14.9K lbs | 3 |
| 2020 | 16.6K lbs | 3 |
| 2021 | 10.8K lbs | 3 |
| 2022 | 7.6K lbs | 3 |
| 2023 | 8.0K lbs | 3 |
| 2024 | 0 lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 2 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Dichloromethane | 57.8K lbs | Carcinogen |
| Copper | 0 lbs | - |
| Lead | 0 lbs | Carcinogen |
Supreme Lake Manufacturing Inc · AIR-pathway site
Nearest TRI Facilities to Supreme Lake Manufacturing Inc
Closest other reporters in Connecticut - including J J Ryan Corp, Torrey S Crane, Ogs Technologies LLC, ordered by distance.
Showing 8 of 239 other reporting facilities in Connecticut.
Similar Fabricated Metals Facilities
Other Fabricated Metals facilities with similar total release volumes (±80%), outside Connecticut - e.g. Material Sciences Corp, Silgan Containers Manufacturing Corp, Tyler Coupling.
Compare beyond Connecticut
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Supreme Lake Manufacturing Inc on cumulative reported pounds (57.8K lbs) and distinct chemical count (3). Release-pound peers include Material Sciences Corp, Gerdau Wilton, Cna Holdings Llc-Shelby. 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).
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 Dichloromethane, Copper, Lead; nearby reporters include J J Ryan Corp. Supreme Lake Manufacturing Inc stamps LIGHT volume · AIR pathway · CARC-HEAVY 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 Supreme Lake Manufacturing Inc TRI extract (LIGHT · AIR · CARC-HEAVY · lead Dichloromethane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Supreme Lake Manufacturing Inc totals are self-reported EPCRA §313 estimates for Plantsville, CT, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 332721 · Fabricated Metals. 1.6% of Hartford TRI pounds in this extract. Nearest ABS peer: Material Sciences Corp (Δ 4 lbs). Pounds ≠ exposure.
Supreme Lake Manufacturing Inc stamps LIGHT volume · AIR pathway · CARC-HEAVY · lead Dichloromethane. 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