Updated

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.

Across the 2 hazardous waste facilities listed on this page, each counted once:

State (all 2 in this group): Oklahoma (1) · Utah (1)

Permitted operating units (all 2 in this group; a record can count under several values): Landfill (2) · Storage (2) · Treatment (2) · Surface impoundment (1)

Waste received from off-site: 234,953.3 tons in total across all 2.

How received waste was managed (all 2 in this group; a record can count under several values): Landfill (2)

Waste received, by EPA code class (all 2 in this group; a record can count under several values): Electroplating and metal-finishing wastes (F006–F019) (2) · Spent solvents (F001–F005) (2) · Toxic metals (D004–D011) (2) · Wood-preserving wastes and leachate (F032–F039) (2) · Acutely hazardous discarded chemicals (P codes) (1) · Dioxin-bearing wastes (F020–F028) (1) · Industry-specific wastes (K codes) (1) · Toxic discarded chemicals (U codes) (1)

Violations, last 5 years: 34 in total across all 2.

Formal enforcement actions, last 5 years: 0 in total across all 2.

Final penalties, last 5 years: 0 USD in total across all 2.

Significant noncomplier now: yes for none of the 2.

Last on-site inspection: latest Sep 14, 2026 (Clean Harbors Grassy Mountain).

Side by side

Profile nameLocationOperator as recordedWaste received from off-siteViolations, last 5 yearsFormal enforcement actions, last 5 yearsFinal penalties, last 5 yearsSignificant noncomplier nowLast on-site inspection
Clean Harbors Lone Mountain LLCOrienta, OklahomaClean Harbors Environmental, LLC188,312 tons1300 USDNoJun 4, 2026
Clean Harbors Grassy MountainKnolls, UtahClean Harbors Environmental46,641.3 tons2100 USDNoSep 14, 2026
All 2234,953.3 tons3400 USDYes for none of 2Latest: Sep 14, 2026

Hazardous waste disposal companies: 16 operators with two or more facilities profiled here

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