Should $110 Million PFAS Filtration Expansion at Pearl Harbor Shift Clean Harbors' (CLH) Investment Narrative?

• In December 2025, Clean Harbors, Inc. announced that it had secured US$110 million in contracts over three years to expand its PFAS water filtration work at Joint Base Pearl Harbor-Hickam, where it will now filter about 4.2 million gallons of water per day using regenerative carbon filtration and resin units.
• This contract win highlights Clean Harbors’ role as a key PFAS mitigation partner to the U.S. military and logistics supplier V2X, reinforcing its position in specialized environmental services that require customized system design, installation, and long-term operational control.
• We’ll now examine how this expanded PFAS filtration contract at Joint Base Pearl Harbor-Hickam may influence Clean Harbors’ broader investment narrative.

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Clean Harbors Investment Narrative Recap

To own Clean Harbors, you need to believe that tightening PFAS and hazardous waste rules will keep rewarding specialized, end to end environmental solutions. The Pearl Harbor-Hickam win adds contracted PFAS revenue visibility, but it does not fundamentally change the near term focus on execution, debt management, and the risk that emerging remediation technologies could chip away at demand for some legacy disposal services.

Among recent announcements, the October 2025 refinancing stands out as particularly relevant here, because it extends debt maturities while the company pursues capital intensive PFAS and facility projects. For investors, this combination of long term PFAS contract wins and refreshed credit capacity ties directly into the core catalyst of Clean Harbors using its balance sheet to fund growth while still managing the ongoing risk that high capital needs and elevated leverage could pressure returns if volumes or pricing soften.

Yet behind the PFAS momentum, investors should also be aware of the growing risk that new remediation technologies could...

Read the full narrative on Clean Harbors (it's free!)

Clean Harbors’ narrative projects $7.0 billion revenue and $605.1 million earnings by 2028. This requires 5.7% yearly revenue growth and about a $220 million earnings increase from $384.8 million today.

Uncover how Clean Harbors' forecasts yield a $250.33 fair value, a 5% upside to its current price.

Exploring Other Perspectives

Two Simply Wall St Community valuations for Clean Harbors cluster between US$250.33 and US$317.71 per share, underlining how far opinions can differ. Set against this, the expanded Pearl Harbor-Hickam PFAS contract highlights how regulation driven projects may influence the company’s ability to support its capital intensive growth plans, so it is worth weighing several viewpoints before forming a view on the stock.

Explore 2 other fair value estimates on Clean Harbors - why the stock might be worth just $250.33!

Build Your Own Clean Harbors Narrative

Disagree with existing narratives? Create your own in under 3 minutes - extraordinary investment returns rarely come from following the herd.

• A great starting point for your Clean Harbors research is our analysis highlighting 2 key rewards and 1 important warning sign that could impact your investment decision.
• Our free Clean Harbors research report provides a comprehensive fundamental analysis summarized in a single visual - the Snowflake - making it easy to evaluate Clean Harbors' overall financial health at a glance.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

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