Welcome to our dedicated page for Clean Harbors news (Ticker: CLH), a resource for investors and traders seeking the latest updates and insights on Clean Harbors stock.
Clean Harbors, Inc. (NYSE: CLH) is widely described in its public communications as North America’s leading provider of environmental and industrial services, and this news page aggregates company-specific updates for investors and observers. Founded in 1980 and based in Massachusetts, Clean Harbors serves a diverse customer base that includes a majority of Fortune 500 companies, along with numerous government agencies in industries such as chemical, manufacturing, refining and energy.
News about Clean Harbors often centers on its Environmental Services and Safety-Kleen operations. Coverage includes quarterly financial results, where the company reports on segment performance, Adjusted EBITDA, adjusted free cash flow and utilization of its disposal and recycling network. Press releases also describe demand trends in technical services, field services, industrial services and Safety-Kleen Sustainability Solutions, along with commentary from management on business conditions and project pipelines.
Another key news theme is Clean Harbors’ work with PFAS, or “forever chemicals.” The company issues updates on PFAS incineration studies at its RCRA-permitted hazardous waste incineration facilities, PFAS water filtration projects at locations such as Joint Base Pearl Harbor-Hickam, and the evolution of its Total PFAS Solution, which addresses analysis, water filtration, remediation and disposal. These announcements often involve collaboration with U.S. Environmental Protection Agency and Department of Defense representatives, as well as logistics and government partners.
Visitors to this CLH news page can review press releases on debt offerings and credit agreements, including senior notes issuances and term loan refinancings, as well as notices of participation in investor conferences and earnings calls. For anyone following environmental services, hazardous waste management, PFAS remediation or used oil re-refining, the Clean Harbors news stream provides detailed, company-sourced information on strategy, operations and capital structure over time.
Clean Harbors (NYSE: CLH) reported its highest Q1 revenue ever at $1.46 billion for the quarter ended March 31, 2026, with net income of $63.2 million (EPS $1.19) and Adjusted EBITDA of $247.9 million (17.0% margin).
The company raised its 2026 midpoint guidance for Adjusted EBITDA by $40 million and for adjusted free cash flow by $10 million, now guiding Adjusted EBITDA to $1.24B–$1.30B and adjusted free cash flow to $490M–$550M.
Clean Harbors (NYSE: CLH) announced that CFO Eric J. Dugas and SVP Investor Relations Jim Buckley will participate in a fireside chat at the 21st Annual Oppenheimer Industrial Growth Conference on Thursday, May 7, 2026 at 1:30 p.m. ET.
The event will be webcast live and an archived replay will be available on the company’s Investor Relations website.
Clean Harbors (NYSE: CLH) will announce first-quarter 2026 financial results and host a conference call on Wednesday, May 6, 2026 at 9:00 a.m. ET. Management will discuss results, business outlook and growth strategy.
Live webcast and replay will be available via the company's Investor Relations website; dial-in numbers are provided for live access.
Clean Harbors (NYSE:CLH) on April 1, 2026 released formal PFAS disposal and treatment guidance standards offering a tiered, concentration-based framework mapping waste types to technologies including RCRA-permitted incineration, Subtitle C/D landfills, industrial and municipal water treatment, and drinking-water systems.
The company cites a 2024 PFAS incineration study with the EPA and Pentagon and notes the framework was shared with EPA and submitted to the Senate EPW Committee in November 2025. Clean Harbors positions its Total PFAS Solution as an end-to-end commercial offering for PFAS remediation, treatment and disposal.
Depot Connect International agreed to sell its Industrial Services and Rail Services business to Clean Harbors (NYSE: CLH) for approximately $130 million. The transaction covers five locations in Ohio, Louisiana, and Texas and is expected to close in the first half of 2026, subject to customary closing conditions.
Depot Connect said the divestiture refines its portfolio to focus on core depot network operations; the companies will continue collaborative co-location and service partnerships in Baton Rouge and Pasadena and across DCI's network.
Clean Harbors (NYSE: CLH) said Co-CEO Eric W. Gerstenberg, CFO Eric J. Dugas, and SVP Investor Relations Jim Buckley will take part in a fireside chat at the Raymond James Institutional Investors Conference on March 3, 2026 at 8:05 a.m. ET.
The event will be webcast live and archived; investors can access it via the company’s Investor Relations website at www.cleanharbors.com.
Clean Harbors (NYSE: CLH) reported fourth-quarter 2025 revenue of $1.50 billion (+5% YoY) and record full-year revenue of $6.03 billion. Q4 net income was $86.6 million ($1.62 per diluted share); full-year net income was $391.0 million ($7.28).
Adjusted EBITDA was $278.7 million in Q4 and $1.17 billion for 2025; adjusted free cash flow reached a record $509.3 million. The company repurchased $250 million of shares, expanded buybacks by $350 million, agreed to acquire DCI businesses for ~$130 million, and provided 2026 guidance of $1.20–1.26 billion Adjusted EBITDA.
Clean Harbors (NYSE: CLH) will report fourth-quarter and full-year 2025 results on February 18, 2026 with a live conference call at 9:00 a.m. ET. The call will feature Co-CEOs Michael L. Battles and Eric W. Gerstenberg, CFO Eric J. Dugas, and SVP Jim Buckley.
Investors can listen via webcast on the company's Investor Relations website or by dialing the provided conference numbers; a replay will be archived online.
Clean Harbors (NYSE: CLH) announced that senior management will present at two investor conferences in January 2026: the 28th Annual Needham Growth Conference on January 13, 2026 at 10:15 a.m. ET and the CJS Securities 26th Annual New Ideas for the New Year on January 14, 2026 at 8:45 a.m. ET.
The company said it will webcast both live events; live and archived webcasts will be available in the Investor Relations section at www.cleanharbors.com.
Clean Harbors (NYSE: CLH) announced it won $110 million in contracts over the next three years to expand its PFAS water filtration work at Joint Base Pearl Harbor-Hickam (JBPHH).
The work, performed with logistics supplier V2X and in coordination with NAVFAC, will roughly double the company's largest filtration installation and place Clean Harbors responsible for filtering approximately 4.2 million gallons per day at JBPHH. The company will expand use of its regenerative carbon filtration and resin units that have operated in Hawaii since 2022 and continues to offer an end-to-end Total PFAS Solution including analysis, remediation, filtration, and thermal destruction.