EPA TRI Facility · Hazardous Waste
Clean Harbors of Connecticut Inc
Bristol, CT · Parent: Clean Harbors Inc
- Total releases
- 1.5M lbs
- Chemicals reported
- 15
- Carcinogens
- 4
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Clean Harbors of Connecticut Inc: how the 1.5M lbs splits
1.5M lbs across all reported pathways
- Off-site Transfers 1.5M lbs 99.6%
- Water Discharges 6.7K lbs 0.4%
- Air Releases 10 lbs <0.1%
Clean Harbors of Connecticut Inc's 1.5M lbs Form-R total is OFFSITE - off-site transfers is 99.6% of the bar. Next segment: water discharges at 0.4%. Leading chemical by pounds: Copper And Copper 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.
HEAVY volume OFFSITE pathway TRACE-CARC
Clean Harbors of Connecticut Inc is an EPA Toxics Release Inventory reporter in Bristol, CT, in the hazardous waste sector. It reported 11.0K lbs of releases across 10 chemicals in 2024, and 1.5M lbs in total across its 2019-2024 reporting years. That ranks 1,026 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. 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 fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Idex Health & Science LLC; Paragon Medical; Rem Chemicals Inc; Whitcraft Central Ct Bldg. 3. Similar-scale Hazardous Waste peers outside Connecticut: Veolia Es Technical Solutions LLC Port Arthur Facility; Waste Control Specialists LLC; Environmental Enterprises Inc; Republic Services of Wisconsin LP. Other Clean Harbors Inc sites in this extract: Clean Harbors Buttonwillow LLC; Clean Harbors Grassy Mountain LLC; Clean Harbors el Dorado LLC; Clean Harbors Lone Mountain LLC Lone Mountain Facility. Largest disclosed chemicals by pounds: Copper And Copper Compounds; Lead And Lead Compounds; Zinc compounds; Nitrate compounds (water dissociable; reportable only when in aqueous solution).
In-state chemical count is not the pounds ranking
Connecticut TRI reporters with pounds > 0 and chemicals > 0 (n=240)
- Allnex USA Inc. Wall...
- Clean Harbors of Con...
What this shows Allnex USA Inc. Wallingford Ct Site leads Connecticut chemical count. Clean Harbors of Connecticut Inc leads reported pounds and sits at chemical-count #2. Chemical count is a disclosure mix, not toxicity or health risk.
Clean Harbors of Connecticut Inc stamps HEAVY volume with a dominant OFFSITE pathway (99.6% off-site transfers) across 15 chemicals · 4 carcinogen-classified. Cumulative Form-R extract: 1.5M lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Veolia Es Technical Solutions LLC Port Arthur Facility and Waste Control Specialists LLC.
Clean Harbors of Connecticut Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.5M lbs Top 4% higher than 96% 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
Clean Harbors of Connecticut Inc inside Hartford's TRI pounds
Among the 261 Hazardous Waste facilities in this database, Clean Harbors of Connecticut Inc reports the 44th-largest volume, placing it in the top 16.9% of its sector. This one site accounts for 40.9% of every pound reported in Hartford. Scale peers outside Connecticut include Veolia Es Technical Solutions LLC Port Arthur Facility and Waste Control Specialists LLC.
County-dominant here means ≥25% of Hartford's reported pounds (3.7M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Clean Harbors of Connecticut Inc's total reported releases fell from 268.1 thousand lb in 2022 to 209.4 thousand lb in 2023, based on EPA TRI filings.
- Clean Harbors of Connecticut Inc's off-site transfers fell from 268.1 thousand lb in 2022 to 209.4 thousand lb in 2023, based on EPA TRI filings.
- Clean Harbors of Connecticut Inc's chemicals reported rose from 5 in 2022 to 6 in 2023, based on EPA TRI filings.
Clean Harbors of Connecticut Inc Form-R facts
Compare this facility
See how Clean Harbors of Connecticut Inc stacks up against nearby facilities and the typical reporter.
21.7× more than the comparison
7.5× 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 Clean Harbors of Connecticut Inc releases toxic chemicals into the environment. Total: 1.5M lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 98% (453.9K lbs to 11.0K lbs).
Clean Harbors of Connecticut Inc: annual Form-R pounds
HEAVY site · OFFSITE pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Clean Harbors of Connecticut Inc year-over-year reported totals (decreased by 98% 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: Copper And Copper Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 453.9K lbs | 8 |
| 2020 | 392.6K lbs | 6 |
| 2021 | 193.5K lbs | 4 |
| 2022 | 268.1K lbs | 5 |
| 2023 | 209.4K lbs | 6 |
| 2024 | 11.0K lbs | 10 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 4 of 18 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Copper And Copper Compounds | 479.6K lbs | - |
| Lead And Lead Compounds | 365.3K lbs | - |
| Zinc compounds | 274.0K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 266.9K lbs | - |
| Ethylene glycol | 73.9K lbs | - |
| Ammonia | 37.7K lbs | - |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 18.0K lbs | - |
| Arsenic | 4.8K lbs | Carcinogen |
| Polycyclic aromatic compounds | 4.0K lbs | Carcinogen |
| Polychlorinated biphenyls | 2.3K lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 733 lbs | - |
| Nickel compounds | 523 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 195 lbs | - |
| Nitric acid | 126 lbs | - |
| Mercury | 119 lbs | - |
| Hydrogen fluoride | 100 lbs | - |
| Formic acid | 44 lbs | - |
| Nonylphenol Ethoxylates | 0 lbs | - |
Clean Harbors of Connecticut Inc · OFFSITE-pathway site
Nearest TRI Facilities to Clean Harbors of Connecticut Inc
Closest other reporters in Connecticut - including Idex Health & Science LLC, Paragon Medical, Rem Chemicals Inc, ordered by distance.
Showing 8 of 239 other reporting facilities in Connecticut.
Similar Hazardous Waste Facilities
Other Hazardous Waste facilities with similar total release volumes (±80%), outside Connecticut - e.g. Veolia Es Technical Solutions LLC Port Arthur Facility, Waste Control Specialists LLC, Environmental Enterprises Inc.
Compare beyond Connecticut
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Clean Harbors of Connecticut Inc on cumulative reported pounds (1.5M lbs) and distinct chemical count (15). Release-pound peers include Phillips 66 Ferndale Refinery, Blue Diamond Steel Casting,inc., Domtar Aw LLC Nekoosa Mill. Chemical-count peers include Port Hamilton Refining & Transportation Lllp, Infineum USA Lp-Bayway Chemical Plant, Global Cos LLC Albany Terminal. 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).
- Port Hamilton Refining & Transportation Lllp Christiansted, VI · Petroleum 15 chemicals
- Infineum USA Lp-Bayway Chemical Plant Linden, NJ · Chemicals 15 chemicals
- Global Cos LLC Albany Terminal Albany, NY · Petroleum Bulk Terminals 15 chemicals
- Somerset Operating Co LLC Barker, NY · Electric Utilities 15 chemicals
Other Clean Harbors Inc Facilities
Same-parent TRI sites ranked by reported releases - including Clean Harbors Buttonwillow LLC, Clean Harbors Grassy Mountain LLC, Clean Harbors el Dorado 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 Copper And Copper Compounds, Lead And Lead Compounds, Zinc compounds, Nitrate compounds (water dissociable; reportable only when in aqueous solution); nearby reporters include Idex Health & Science LLC. Clean Harbors of Connecticut Inc stamps HEAVY 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 Clean Harbors of Connecticut Inc TRI extract (HEAVY · OFFSITE · TRACE-CARC · lead Copper And Copper Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Clean Harbors of Connecticut Inc totals are self-reported EPCRA §313 estimates for Bristol, CT, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 562211 · Hazardous Waste. 40.9% of Hartford TRI pounds in this extract. Nearest ABS peer: Phillips 66 Ferndale Refinery (Δ 6.7K lbs). Pounds ≠ exposure.
Clean Harbors of Connecticut Inc stamps HEAVY volume · OFFSITE pathway · TRACE-CARC · lead Copper And Copper 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