Clean Harbors Q3 2026: A $120M Emergency Job Changed Everything
As seen on the 24/7 Wall St. homepage on October 28, 2026.
One emergency response job contributed roughly $120 million of revenue at emergency rates, powering a quarter that exceeded expectations on both lines and lifted full-year adjusted EBITDA guidance. The question for holders is what the run rate looks like without it, though management is pointing to PFAS work, data center services and reshoring as 2027 catalysts.
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Clean Harbors earned $3.93 per diluted share in Q3 2026, beating expectations, with revenue of $1.87 billion also ahead of consensus.
A single large emergency response event generated roughly $120 million in revenue, driving Field Services revenue growth of more than 70% within Environmental Services.
Management raised full-year 2026 adjusted EBITDA guidance by $80 million at the midpoint and guided Q4 adjusted EBITDA growth of 23% to 26% year over year, pointing to momentum beyond the one-time job.
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Looking into 2027, management pointed to PFAS remediation, data center services, and U.S. manufacturing reshoring as the next growth pillars, with a 10-year contract commencing in Q4 2026 adding revenue visibility.
Adjusted free cash flow hit a record $323 million for the quarter, giving the company room to fund acquisitions and continue repurchasing shares.
Mentioned: CLH