Hydrosphere Resource Consultants

US General Services Administration

Approved GSA Contractor

Hydrosphere Resource Consultants is an approved Small Business Environmental Services Contractor with the US General Services Administration.  Our GSA Contractor Number is: GS-10F-0367L.

The GSA helps federal agencies better serve the public by offering, at best value, superior workplaces, expert solutions, acquisition services, and management policies.  Use of the GSA contract allows agencies to take advantage of a streamlined contracting process that ensures that all applicable regulations and requirements have been met.

Hydrosphere has been approved to provide services under the following Special Item Numbers (SINs):

    SIN 899-1: Environmental Planning Services & Documentation
  • Environmental assessments and environmental impact statements under the National Environmental Policy Act (NEPA)
  • Endangered species, wetlands and watersheds
  • Natural resource management plans
  • Environmental program management
  • Environmental regulation development
  • Economic, technical and/or risk analysis
    SIN 899-2: Environmental Compliance Services
  • Environmental compliance audits
  • Compliance management and/or contingency planning
  • Permitting
    SIN 899-7: Geographic Information Systems (GIS)
  • Mapping and cartography
  • Natural resource planning
  • Pollution analysis
  • Site selection
  • Data interpretation

Contact Information

Colorado Office

Hydrosphere Resource Consultants
1002 Walnut, Suite 200
Boulder, Colorado 80302

Phone: 303-443-7839
Fax: 303-442-0616

Donna Colville (Chief Operating Officer)
(drc@hydrosphere.com)

Charles Brendecke, PhD, PE (President)
(cmb@hydrosphere.com)

Jean Marie Boyer, PhD, PE (Marketing Director)
(jmb@hydrosphere.com)

New Mexico Office

Hydrosphere Resource Consultants
115A Abeyta Street
Socorro, New Mexico 87801

Phone: 505-835-2569
Fax: 505-835-2609

Jim McCord, PhD, PE (NM Office Director) (jtm@hydrosphere.com)

GSA Contact Information

Contracting Office

General Services Administration (GSA)
Federal Supply Service (FSS)
Management Services Center (10FT)
400 15th Street, SW Auburn, WA, 98001

Point of Contact

Tonja Ferguson, Contract Specialist
(tonja.ferguson@gsa.gov)

Phone (253) 931-7914
Fax (253) 931-7174


Katherine Jocoy, Supervisory Contract Specialist

Phone (253) 931-7080
Fax (253) 931-7573