Clean Harbors (CLH) Tax Rate (2009 - 2026)

Clean Harbors has disclosed Tax Rate across 18 years of filings, most recently posting 25.07% for Q1 2026.

• Tax Rate for Q1 2026 came in at 25.07%, up 372.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 26.45% (up 281.0% YoY), and the FY2025 annual result was 25.95%, up 136.0% from the prior year.
• Tax Rate came in at 25.07% for Q1 2026 at Clean Harbors, down from 27.81% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 27.82% in Q1 2022 to a low of 16.75% in Q4 2022.
• The 5-year median for Tax Rate is 25.86% (2024), against an average of 24.53%.
• Peak annual rise in Tax Rate reached 904 bps in 2025, while the deepest fall reached 575 bps in 2025.
• Clean Harbors' Tax Rate stood at 16.75% in 2022, then climbed by 15 bps to 19.21% in 2023, then dropped by 2 bps to 18.77% in 2024, then jumped by 48 bps to 27.81% in 2025, then slipped by 10 bps to 25.07% in 2026.
• The last three Tax Rate figures came in at 25.07% (Q1 2026), 27.81% (Q4 2025), and 26.13% (Q3 2025), per Business Quant data.