Clean Harbors Environmental
As of Oct 22, 2026, U.S. EPA RCRAInfo names Clean Harbors Environmental as the operator of 2 of the 293 hazardous waste facilities with profiles on this site, in 2 states; they reported receiving 234,953 tons of hazardous waste from off-site in the 2023 Biennial Report, the newest EPA has published, and 2 have a violation determined in the last five years.
The source writes this name 2 ways: “Clean Harbors Environmental” (1), “Clean Harbors Environmental, LLC” (1: Clean Harbors Lone Mountain LLC). Names are grouped only when they match exactly once letter case, spacing, punctuation and a trailing legal form (such as Inc., LLC or Corp.) are set aside.
Each row is one profile under its own name; the “Operator as recorded” column gives the operator name it is grouped by.
Side by side
| Profile name | Location | Operator as recorded | Waste received from off-site | Violations, last 5 years | Formal enforcement actions, last 5 years | Final penalties, last 5 years | Significant noncomplier now | Last on-site inspection |
|---|---|---|---|---|---|---|---|---|
| Clean Harbors Lone Mountain LLC | Orienta, Oklahoma | Clean Harbors Environmental, LLC | 188,312 tons | 13 | 0 | 0 USD | No | Jun 4, 2026 |
| Clean Harbors Grassy Mountain | Knolls, Utah | Clean Harbors Environmental | 46,641.3 tons | 21 | 0 | 0 USD | No | Sep 14, 2026 |
| All 2 | 234,953.3 tons | 34 | 0 | 0 USD | Yes for none of 2 | Latest: Sep 14, 2026 |
Hazardous waste disposal companies: 16 operators with two or more facilities profiled here
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