EPA TRI Facility · Electrical Equipment
Marmon Industrial Energy & Infrastructure Group
East Granby, CT · Parent: The Marmon Group LLC
- Total releases
- 116.1K lbs
- Chemicals reported
- 7
- Carcinogens
- 1
- Primary pathway
- Air Releases
MIXED Form-R mix
Marmon Industrial Energy & Infrastructure Group: how the 142.5K lbs splits
142.5K lbs across all reported pathways
- Air Releases 74.4K lbs 52.2%
- Off-site Transfers 68.0K lbs 47.7%
- Water Discharges 78 lbs 0.1%
- Land Disposal 0 lbs <0.1%
Marmon Industrial Energy & Infrastructure Group's 142.5K lbs Form-R total is MIXED - air releases is 52.2% of the bar. Next segment: off-site transfers at 47.7%. Leading chemical by pounds: Ozone.
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 TRACE-CARC
Marmon Industrial Energy & Infrastructure Group is an EPA Toxics Release Inventory reporter in East Granby, CT, in the electrical equipment sector. It reported 26.4K lbs of releases across 6 chemicals in 2024, and 116.1K lbs in total across its 2019-2024 reporting years. That ranks 4,279 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. Marmon Industrial Energy & Infrastructure Group is pounds #22 and chemical-count #20 at 116.1K 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: Windsor Airmotive; Hamilton Sundstrand; Scapa Na LLC; Ahlstrom Power Windsor Locks LLC. Similar-scale Electrical Equipment peers outside Connecticut: Sgl Composites LLC; Okonite Co Inc; Afl Telecommunications; Howard Industries Inc.. Other The Marmon Group LLC sites in this extract: Nylok LLC. Largest disclosed chemicals by pounds: Ozone; Antimony And Antimony Compounds; Lead And Lead Compounds; Zinc compounds.
Marmon Industrial Energy & Infrastructure Group is a MID · MIXED-pathway Form-R site in East Granby, CT: 116.1K lbs across 7 chemicals (1 carcinogen-classified, TRACE-CARC). No single media clears 70% of the bar (lead segment air releases at 52.2%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Sgl Composites LLC and Okonite Co Inc.
Marmon Industrial Energy & Infrastructure Group vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
116K lbs Top 16% higher than 84% 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
Marmon Industrial Energy & Infrastructure Group in the Electrical Equipment sector extract
Among the 566 Electrical Equipment facilities in this database, Marmon Industrial Energy & Infrastructure Group reports the 62nd-largest volume, placing it in the top 11% of its sector. Scale peers outside Connecticut include Sgl Composites LLC and Okonite Co Inc.
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
- Marmon Industrial Energy & Infrastructure Group's total reported releases rose from 23.9 thousand lb in 2022 to 27.6 thousand lb in 2023, based on EPA TRI filings.
- Marmon Industrial Energy & Infrastructure Group's off-site transfers rose from 12.1 thousand lb in 2022 to 14.0 thousand lb in 2023, based on EPA TRI filings.
- Marmon Industrial Energy & Infrastructure Group's air releases rose from 11.8 thousand lb in 2022 to 13.6 thousand lb in 2023, based on EPA TRI filings.
Marmon Industrial Energy & Infrastructure Group Form-R facts
Compare this facility
See how Marmon Industrial Energy & Infrastructure Group stacks up against nearby facilities and the typical reporter.
19350.9× more than the comparison
7.0× 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 Marmon Industrial Energy & Infrastructure Group releases toxic chemicals into the environment. Total: 142.5K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases increased by 16% (22.8K lbs to 26.4K lbs).
Marmon Industrial Energy & Infrastructure Group: annual Form-R pounds
MID site · MIXED pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Marmon Industrial Energy & Infrastructure Group year-over-year reported totals (increased by 16% 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: Ozone.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 22.8K lbs | 6 |
| 2020 | 19.1K lbs | 6 |
| 2021 | 22.7K lbs | 6 |
| 2022 | 23.9K lbs | 6 |
| 2023 | 27.6K lbs | 6 |
| 2024 | 26.4K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 1 of 7 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ozone | 66.3K lbs | - |
| Antimony And Antimony Compounds | 27.7K lbs | - |
| Lead And Lead Compounds | 22.2K lbs | - |
| Zinc compounds | 13.3K lbs | - |
| Antimony compounds | 12.1K lbs | - |
| Chromium | 537 lbs | - |
| Nickel | 381 lbs | Carcinogen |
Marmon Industrial Energy & Infrastructure Group in Hartford
Nearest TRI Facilities to Marmon Industrial Energy & Infrastructure Group
Closest other reporters in Connecticut - including Windsor Airmotive, Hamilton Sundstrand, Scapa Na LLC, ordered by distance.
Showing 8 of 239 other reporting facilities in Connecticut.
Similar Electrical Equipment Facilities
Other Electrical Equipment facilities with similar total release volumes (±80%), outside Connecticut - e.g. Sgl Composites LLC, Okonite Co Inc, Afl Telecommunications.
Compare beyond Connecticut
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Marmon Industrial Energy & Infrastructure Group on cumulative reported pounds (116.1K lbs) and distinct chemical count (7). Release-pound peers include U.S. Marine Corps McAs Cherry Pt - BT11 Bombing Range - Rnge, Alleima USA LLC, Tri-State Plating Inc. Chemical-count peers include Hubbell Caribe Ltd, Celanese Microcircuits Industries Ltd., Virgin Islands Water & Power Authority. 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.
- U.S. Marine Corps McAs Cherry Pt - BT11 Bombing Range - Rnge Piney Island, NC · Other 116.1K lbs reported
- Alleima USA LLC Clarks Summit, PA · Primary Metals 116.1K lbs reported
- Tri-State Plating Inc Louisville, KY · Fabricated Metals 116.1K lbs reported
- Guardian Lima LLC Lima, OH · Chemicals 116.2K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other The Marmon Group LLC Facilities
Same-parent TRI sites ranked by reported releases - including Nylok 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 Ozone, Antimony And Antimony Compounds, Lead And Lead Compounds, Zinc compounds; nearby reporters include Windsor Airmotive. Marmon Industrial Energy & Infrastructure Group stamps MID volume · MIXED 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 Marmon Industrial Energy & Infrastructure Group TRI extract (MID · MIXED · TRACE-CARC · lead Ozone) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Marmon Industrial Energy & Infrastructure Group totals are self-reported EPCRA §313 estimates for East Granby, CT, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 335929 · Electrical Equipment. 3.1% of Hartford TRI pounds in this extract. Nearest ABS peer: U.S. Marine Corps McAs Cherry Pt - BT11 Bombing Range - Rnge (Δ 18 lbs). Pounds ≠ exposure.
Marmon Industrial Energy & Infrastructure Group stamps MID · MIXED pathway (air releases leads at 52.2%). 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