• (860) 243-1757
  • mcasslar@geoquestinc.com
  • Bloomfield, Connecticut


​GeoQuest was founded in 1993 by Marc Casslar. Based in Bloomfield, CT, GeoQuest is a full service environmental management and consulting firm committed to excellence in serving its clients’ needs. Our senior level staff includes licensed environmental professionals (LEPs), engineers, professional Geologists, and certified Hazwoper personnel.

Working in coordination with known and established remediation contractors, well drillers, and certified laboratories our staff has developed and implemented solutions to a wide range of environmental problems on properties ranging from small independent businesses to large agricultural tracts, to large industrial facilities.

We pride ourselves on providing practical solutions with a personal touch. We are committed to being accessible to our clients, to working closely with them to understand and meet their individual needs in order to arrive at the most cost effective solutions to their environmental issues.

Our services include:

  • Site assessments
  • Remedial investigations
  • Site remediation
  • Underground storage tank management
  • Litigation and arbitration support
  • Environmental management
  • Asbestos and lead based paint inspections

Our staff is experienced in developing and implementing solutions to a wide range of environmental problems including soil and groundwater contamination, hazardous material and waste management (including industrial chemicals and PCBs), petroleum discharges, RCRA facility closure, and regulatory compliance issues.

Projects completed cover a variety of situations including (but not limited to) property transfers; corporate mergers and acquisitions; regulatory compliance; Brownfield development; Connecticut Property Transfer Act; litigation and arbitration; industrial, commercial, retail, and residential developments.

As a small firm, we pride ourselves on bringing personalized service to our clients. We are committed to working closely with you to understand and meet your individual needs, and arrive at a practical and cost effective solution to your environmental problems. We make it possible for businesses to concentrate on doing business, while we deal with any environmental problems you may encounter.