Clean Harbors Inc
146 facilities · 40 states · 172.6M lbs total releases
According to the EPA Toxics Release Inventory, Clean Harbors Inc is the reported parent of 146 Form R facilities across 40 states, disclosing 172.6M lbs of toxic releases. 120 of 1,754 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is California (52.2M lbs). Those TRI figures remain self-reported disclosure pounds for Clean Harbors Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Clean Harbors Inc: EPA TRI 2023 reporting year
Same facilities, both years
-32.7%
110 facilities that filed in 2022 and 2023
Whole inventory
-32.5%
48.8 million lb → 33.0 million lb, every facility that filed
Between the two reporting years, 13 facilities filed for the first time and 5 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Clean Harbors Inc's total reported releases fell from 48.8 million lb in 2022 to 32.9 million lb in 2023, based on EPA TRI filings.
- Clean Harbors Inc's water releases rose from 843 lb in 2022 to 1.2 thousand lb in 2023, based on EPA TRI filings.
- Clean Harbors Inc's land releases fell from 41.2 million lb in 2022 to 25.7 million lb in 2023, based on EPA TRI filings.
- Clean Harbors Inc's air releases rose from 76.2 thousand lb in 2022 to 88.3 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Clean Harbors Inc from filing to facility
Largest Form R sites under this parent: Clean Harbors Buttonwillow LLC; Clean Harbors Grassy Mountain LLC; Clean Harbors el Dorado LLC; Clean Harbors Lone Mountain LLC Lone Mountain Facility. Neighbor parents on the disclosure ladder: Waste Management Inc; Chevron Corp. Largest disclosed chemicals by pounds: Ethylene glycol; Aluminum oxide (fibrous forms); Lead And Lead Compounds; Asbestos (friable); Zinc compounds. Heaviest-reporting states in this extract: California; Utah; Arkansas. Industry labels on the parent rollup: Hazardous Waste; Petroleum; Petroleum Bulk Terminals. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: Clean Harbors Buttonwillow LLC; Clean Harbors Grassy Mountain LLC; Clean Harbors el Dorado LLC; Clean Harbors Lone Mountain LLC Lone Mountain Facility. Neighbor parents on the disclosure ladder: Waste Management Inc; Chevron Corp. Largest disclosed chemicals by pounds: Ethylene glycol; Aluminum oxide (fibrous forms); Lead And Lead Compounds; Asbestos (friable); Zinc compounds. Heaviest-reporting states in this extract: California; Utah; Arkansas. Industry labels on the parent rollup: Hazardous Waste; Petroleum; Petroleum Bulk Terminals.
Among slug-merged TRI parents in this extract, Clean Harbors Inc sits near the top of the release list (rank #12 of 4,988). Clean Harbors Inc spans 40 states in this extract, placing it among the broader national TRI parent footprints. Clean Harbors Inc's disclosed pounds are spread across 146 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Clean Harbors Inc follows facility-reported names. Compare the named neighbors (Waste Management Inc; Chevron Corp) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Clean Harbors Inc sits among TRI parents
Clean Harbors Inc sits on a disclosure ladder beside Waste Management Inc and Chevron Corp. Open those parents for a different facility count, state span, and chemical mix.
Lower disclosed volume
- Waste Management Inc · rank #13 · 19.2M lbs
- Chevron Corp · rank #14 · 12.5M lbs
Largest chemicals disclosed by Clean Harbors Inc
Ethylene glycol; Aluminum oxide (fibrous forms); Lead And Lead Compounds; Asbestos (friable); Zinc compounds lead the Form R pound rollup for this parent, including filings such as Clean Harbors Buttonwillow LLC. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Ethylene glycol | 29.7M lbs |
| Aluminum oxide (fibrous forms) | 19.0M lbs |
| Lead And Lead Compounds | 18.0M lbs |
| Asbestos (friable) | 10.6M lbs |
| Zinc compounds | 10.3M lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| California | 6 | 52.2M lbs |
| Utah | 4 | 45.7M lbs |
| Arkansas | 2 | 16.6M lbs |
| Oklahoma | 2 | 15.9M lbs |
| Nevada | 2 | 15.2M lbs |
| Texas | 11 | 7.3M lbs |
| Nebraska | 2 | 5.7M lbs |
| Colorado | 4 | 5.3M lbs |
| Washington | 5 | 2.7M lbs |
| Connecticut | 2 | 1.5M lbs |
| Louisiana | 6 | 893.1K lbs |
| North Carolina | 6 | 775.6K lbs |
| Kentucky | 3 | 725.8K lbs |
| Ohio | 5 | 588.3K lbs |
| Illinois | 4 | 401.1K lbs |
| Indiana | 4 | 306.4K lbs |
| Michigan | 4 | 251.3K lbs |
| Massachusetts | 4 | 191.1K lbs |
| Rhode Island | 1 | 137.7K lbs |
| New York | 7 | 51.0K lbs |
| Iowa | 2 | 39.5K lbs |
| Florida | 10 | 26.1K lbs |
| New Jersey | 2 | 22.7K lbs |
| Maine | 1 | 20.9K lbs |
| Pennsylvania | 6 | 17.5K lbs |
| South Carolina | 3 | 8.8K lbs |
| Missouri | 3 | 7.9K lbs |
| Wisconsin | 2 | 7.7K lbs |
| Alabama | 3 | 5.5K lbs |
| Tennessee | 6 | 5.4K lbs |
| Virginia | 5 | 3.7K lbs |
| Minnesota | 2 | 2.5K lbs |
| Arizona | 3 | 898 lbs |
| Maryland | 3 | 878 lbs |
| Georgia | 4 | 569 lbs |
| Kansas | 2 | 237 lbs |
| Oregon | 1 | 75 lbs |
| Mississippi | 1 | 29 lbs |
| West Virginia | 2 | 22 lbs |
| South Dakota | 1 | 20 lbs |
Facilities (146)
Frequently Asked Questions
How much pollution does Clean Harbors Inc release?
How many facilities does Clean Harbors Inc operate?
What industries and chemicals show up for Clean Harbors Inc?
Does Clean Harbors Inc release carcinogens?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Clean Harbors Inc on total disclosed release pounds (172.6M lbs) and reporting facility count (146). Release-volume peers include The Renco Group Inc, Waste Management Inc, International Paper Co. Facility-count peers include Marathon Petroleum Corp, Tyson Foods Inc, Martin Marietta Materials Inc. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are California, Utah, Arkansas; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Clean Harbors Inc's TRI parent record
From Clean Harbors Inc, open Clean Harbors Buttonwillow LLC or compare against Waste Management Inc rather than reading rank alone.
- Open the largest Form R site for Clean Harbors Inc (Clean Harbors Buttonwillow LLC in CA). Largest facility
- Compare against Waste Management Inc, the next-lower disclosed-volume parent. Lower-volume parent
- Browse the full parent release ranking to see where Clean Harbors Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Waste Management Inc, Chevron Corp) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Clean Harbors Inc's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.