William Hopper

Mr. Hopper has 20 years of experience in the environmental industry and currently manages the Due Diligence group at CEA. He has thorough experience conducting American Society for Testing and Materials (ASTM) Phase I’s and Phase II’s, preliminary and comprehensive response actions. Mr. Hopper manages a portfolio of bank clients and their environmental due diligence needs with a primary focus on properties with environmental issues or time sensitive deadlines.

At CEA Mr. Hopper provides all phases of environmental compliance activities and reporting. Utilizing his remedial experience, he routinely conducts operations, maintenance, and monitoring activities for remedial systems including soil vapor extraction and air sparge (SVE/AS) remediation systems, and groundwater treatment systems with air stripping and carbon filtration. He has also performed numerous field oversight activities including installation of remedial systems, environmental drilling and subsurface soil sampling, UST removals and replacements, and groundwater monitoring in accordance with low-flow procedures.

Mr. Hopper has been the lead manager for numerous New Hampshire Department of Environmental Services (NHDES), Maine Department of Environmental Protection (MEDEP) and Vermont Department of Environmental Conservation (VTDEC) projects involving residential hazardous waste evaluations, fuel oil releases including contract preparation, coverage authorization for the client through insurance companies or reimbursement programs, project and subcontractor coordination, scheduling, sampling, managing compliance with applicable state regulations and contracts, regulatory report preparation and project closure.


  • B.S., Recreation Management, University of Vermont

Professional Training

  • Asbestos Inspector & Management Planner