Superfund Site:


Superfund Site Profile

Site Contacts

Remedial Project Manager
Andrew Schmidt
(303) 312-6283

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Site Location

Street Address:
1600 S 66TH STREET, BOULDER, CO 80303

Announcements and Key Topics

An investigation to delineate the extent of 1,4-dioxane in groundwater is currently underway. Following completion of the 1,4-dioxane investigation, a decision will be made by EPA and the state on how to address contamination that extends off-site. The site monitoring and mitigation plan will be updated accordingly.


The 160-acre Marshall Landfill site consists of two adjacent 80-acre landfills. The northern landfill is Marshall Landfill, and the southern landfill is Boulder Landfill. Marshall Landfill began operating in 1965 ...
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