Filing Flows › Clean Harbors (CLH) › Q3 2026
Clean Harbors (CLH) Q3 2026 earnings results (third quarter 2026)
10-Q filed Oct 28, 2026
Clean Harbors (CLH) reported revenue of $1.9B for the third quarter 2026 (Q3 2026), +21% from a year earlier and +8% from the quarter before. Operating margin was 17.0%, net earnings $208M (11.1% of revenue).
Clean Harbors, Q3 2026: revenue $1.9B (+21% year over year), operating margin 17.0%, net earnings $208M, operating cash flow $419M. The chart follows the revenue to costs, profit and cash.
| Q3 2026 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $1.9B | +8% | +21% |
| Operating profit | $318M | +18% | +65% |
| Net earnings | $208M | +22% | +75% |
| Operating cash flow | $419M | +75% | +39% |
| Free cash flow | $323M | — | +40% |
What changed
Revenue was $1.9B in Q3 2026, up 21% year over year and up 8% from the previous quarter. Technical Services was the largest line at 27% of revenue. Field and Emergency Response Services added $0.17B year over year (up 73%), 53% of the total change.
Operating profit was $0.32B, a 17.0% margin (up 4.6 points year over year). Of the extra revenue versus Q3 2025, 39% reached operating profit, above the 12% margin then. Total costs grew 14% against revenue growth of 21%. The fastest-growing cost line was Cost of revenue (+15%). Net earnings were $0.21B, up 75% year over year. The effective tax rate was 26.3%.
Operating cash flow was $0.42B (up 39% year over year), 201% of net earnings. Non-cash charges added back $0.12B of depreciation and amortization and $0.01B of share-based compensation. Working capital and other items added $0.08B. After itions to property, plant and equipment, net ($0.10B), adjusted free cash flow as the company reports it was $0.32B.
Questions
What was Clean Harbors' revenue in the third quarter 2026?
Clean Harbors (CLH) reported revenue of $1.9B for the third quarter 2026 (Q3 2026), +21% from a year earlier and +8% from the quarter before.
Was Clean Harbors profitable in the third quarter 2026?
Operating profit was $318M (17.0% of revenue) and net earnings $208M.
Source: Clean Harbors 10-Q on SEC EDGAR.