Clean Harbors’ Latest Results Highlight Waste-Oil Collection and Disposal Demand

• Clean Harbors collected 62 million gallons of waste oil in the third quarter, while stronger product pricing lifted its re-refining business.
• A large emergency-response job contributed substantially to results, underscoring the difference between event-driven revenue and recurring disposal demand.
• A $55 million Compton hub and a separate vacuum-truck expansion show where the company is committing capital.

Waste oil collection at Clean Harbors illustrates why tank and vacuum fleets need to read beyond headline revenue growth. The company’s latest results combine stronger pricing for recovered products, ongoing waste-service demand and a major emergency-response assignment. Those drivers have different implications for collection routes, equipment utilization and receiving capacity.

In its October 28 earnings release, Clean Harbors reported third-quarter revenue of $1.87 billion, up 21% from a year earlier. For transportation operators, the more useful question is which activities generated that increase and whether they can support repeatable work after an individual project ends.

The results provide a company-level view of liquid-waste services. They do not establish a nationwide increase in tanker loads, a shortage of every type of disposal capacity or a new pool of subcontracting opportunities. The operating details deserve to be evaluated separately.

Waste Oil Collection and Product Pricing Moved Differently

The company’s third-quarter investor presentation shows that Safety-Kleen Sustainability Solutions collected 62 million gallons of waste oil, compared with 64 million a year earlier. That is a decline of about 3.1%, based on the rounded gallon figures. Over the same period, segment revenue increased 46%.

The comparison separates physical collection activity from the selling price and mix of products made from recovered oil:

Clean Harbors attributed the re-refining revenue increase primarily to stronger prices for base and blended oil products. It also maintained an average charge-for-oil position: collection customers, on average, paid for the service rather than receiving payment for the material. That average does not disclose the terms available at an individual shop or industrial location.

For collectors, the practical distinction is between the economics of gathering feedstock and the economics of selling the finished product. A stronger base-oil market can improve a re-refiner’s results while its collection network handles fewer gallons. Route profitability still depends on the customer mix, pickup quantities, service charges, labor, fuel, and the receiving arrangement.

EPA’s overview of used-oil recycling explains that recovered oil can be re-refined into lubricants or processed into other products. The available outlet matters: a collection business needs a destination that accepts its particular material, not simply a favorable headline price for oil. Tank Transport’s recycling coverage follows that broader recovery chain.

Separate Recurring Disposal Demand From Emergency Work

Clean Harbors reported that one large emergency-response event generated approximately $120 million of third-quarter revenue at emergency rates. Field Services revenue grew more than 70%. That unusually large assignment should be considered when judging how much of the quarter could recur.

The company also reported 11% growth in Safety-Kleen Environmental Services revenue and 3% growth in Technical Services revenue. Management cited healthy disposal and recycling demand, with deferred revenue increasing 20%. Its investor presentation identified pricing and volume growth in core branch offerings, particularly containerized waste and vacuum services.

These are useful signals, but none directly counts available hauling loads. Deferred revenue is an accounting measure, and network utilization does not identify an open appointment for a particular waste stream. The 87% incineration figure also describes one treatment route; it should not be read as the available capacity of every receiving facility.

For a fleet reviewing waste-removal opportunities, recurring collection contracts and emergency mobilizations warrant separate planning. Routine work can support scheduled routes. Emergency assignments can require rapid staffing, specialized equipment and uncertain duration. A strong quarter containing both does not justify assuming that every additional truck will find sustained work on the same terms.

Compton Hub and Vacuum Trucks Show Where Capital Is Going

The third-quarter Form 10-Q identifies the Los Angeles hub as a facility acquisition and buildout in Compton, California. It lists an expected total project cost of $55 million, with $54.5 million spent through September 30 and completion expected in 2026.

A Vactor 2100 Plus sewage vacuum truck in downtown Olympia, Washington, in August 2025. (Photo: OceanLoop via Wikimedia Commons, CC BY-SA 4.0)

The filing separately lists a $50 million fleet-expansion project, including $25 million of expected 2026 spending and completion expected in 2027. The company describes this as a multiyear expansion of its vacuum-truck fleet. These are project budgets and expected dates, not confirmed counts of trucks delivered or newly available customer slots.

Together, the investments show a commitment to facilities and collection equipment. For outside carriers, however, an expanded company fleet is not automatically a subcontracting opportunity. It may also allow the operator to perform more services with its own assets. The commercial effect depends on where the equipment is deployed and how work is allocated.

A regional hub could change how vehicles, personnel, and services are organized. Whether that improves a particular route depends on actual operating arrangements: accepted materials, dispatch locations, receiving hours, and turnaround times. The disclosed investment amount alone cannot guarantee shorter hauls, lower disposal fees, or increased permitted treatment capacity.

Operators assessing similar purchases can use the distinction to test their own plans. A truck order should be supported by a defined service requirement and a workable receiving relationship. Facility investment and truck investment are connected, but spending on one does not prove that all constraints on the other have been removed.

Load Quality and Receiving Access Remain the Practical Tests

For fleets and maintenance operations, the most actionable issue remains the condition of the material being collected. EPA’s used-oil guidance for businesses warns against mixing used oil with solvents or other chemicals. Contamination can change the applicable management requirements and complicate recycling.

Daniel Muranaka handles a reclaimed fuel-oil sample in Pearl Harbor, Hawaii, in 2018. The appearance of U.S. Department of War (DoW) visual information does not imply or constitute DoW endorsement. (Photo courtesy of Daniel Muranaka / Defense Logistics Agency via DVIDS)

The terms “used oil,” “oily water,” and “liquid waste” do not establish that different loads are interchangeable. A receiving facility needs an accurate description of the stream it is being asked to accept. The same vehicle or destination may not be appropriate for every material generated at a customer site.

Before pricing a route or committing equipment, a carrier can establish who supplies the waste profile or sample results, who confirms acceptance, and what happens if a load is rejected. Those are operating questions to resolve with the customer and receiver. They are not answered by Clean Harbors’ quarterly revenue figures.

Pickup size and frequency also deserve attention. Two routes with the same monthly gallons can require different numbers of stops and different amounts of driver time. A service charge may compensate for those differences, while a simple price-per-gallon comparison can hide them. The disclosed collection total does not reveal that route-level detail.

Clean Harbors’ next results will provide another opportunity to compare collection gallons with product revenue, distinguish recurring services from emergency work, and review the capital-project timetable. For tank and vacuum fleets, those separate indicators offer a more useful planning basis than treating overall sales growth as a direct forecast of hauling demand.

Used-Oil Collection and Disposal: Key Developments

• Waste oil collection declined from 64 million to 62 million gallons year over year, while SKSS revenue rose sharply.
• A roughly $120 million emergency-response assignment contributed to the quarter and should be distinguished from recurring service demand.
• The Compton hub and vacuum-truck expansion have separate budgets and expected completion dates; neither disclosure establishes a specific outside-carrier opportunity.
• Material quality, receiving acceptance and route economics remain essential when translating a market signal into an equipment or service decision.

Featured image: Safety-Kleen storage tanks in Metairie, Louisiana, photographed in March 2025. (Photo: Infrogmation via Wikimedia Commons, CC BY-SA 4.0)