Upper Marlboro, Maryland

Facility Type
Soil Treatment & Recycling Facility
Customer Service

6250 Dower House Road
Upper Marlboro, MD 20772
United States

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Receiving Hours
7:00 am to 4:30 pm Monday to Friday
Driver Info

*Extended and Saturday hours by arrangement

Soil Treatment & Recycling Solutions
Upper Marlboro, Maryland Soil Treatment Facility 

Clean Earth's soil treatment and recycling facility in Upper Marlboro, Maryland, recycles non-hazardous petroleum contaminated soils, RCRA non-hazardous soil, along with aggregate based construction and demolition debris. Rubble and stone are crushed and screened to produce aggregate for sale or for use on-site. The majority of this aggregate is mixed with screened soil that has been treated with either calcium hydroxide, Portland cement, or kiln dust or any combination thereof, to produce a stabilized material suitable for pavement sub base and sized compactable structural fill material for construction applications. 

Upper Marlboro, Maryland is Clean Earth's largest soil recycling facility location, with the ability to process 10,000 tons per day.


Loading, Soil Sampling, Manifesting, Transportation, Aggregate Supplier, Project Management, Soil Treatment & Recycling


Oil Permit Operations # 2013-OPS-16102A Air Management Operating Permit # 033-2618-6-1464 and 1465

Treatment Platform

Chemical Fixation and Aggregate Production

Processed Materials

Fill Material, Structural Fill, Recycled Aggregate

Acceptable Materials

Top Soil, Diatomaceous Earth, Clay and Pea Gravel, Oil Contaminated Soil, Virgin Pretroleum Contamination, Potable Water Treatment, Sludges/Solids, Earthen Media (with a TPH limit of 25,000 mg/kg), Storm Water Management Pond Sediment


10,000 tons per day

Services available
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