About HydroSOLVE, Inc.

HydroSOLVE, Inc. is a groundwater consulting firm established in 1995 and headquartered in Reston, Virginia, USA. We specialize in aquifer test design, performance and analysis; the development and application of groundwater models; consulting services; and continuing education courses for groundwater professionals. Our flagship product is , the world's leading software for aquifer test design and analysis since 1989.

The founder and president of HydroSOLVE is Glenn M. Duffield. Glenn is the author of AQTESOLV and, among other key responsibilities, he travels worldwide presenting courses on aquifer testing design, performance and analysis.

HydroSOLVE, Inc.
2303 Horseferry Court
Reston, VA 20191 USA

Tel +1 703 264 9024
Fax +1 209 254 8831


HydroSOLVE, Inc. has been providing aquifer testing, groundwater modeling, software development and educational services to clients in the private and public sectors since 1995.

HydroSOLVE is recognized worldwide for our advanced aquifer test analysis software, AQTESOLV. Our experience is available to you at affordable hourly rates to assist in the interpretation of complex pumping tests, slug tests and constant-head tests in challenging hydrogeologic settings.

HydroSOLVE often collaborates with small- and medium-sized firms to deliver high-quality and cost-effective solutions to clients. Please contact us to explore ways we can work together.


  • aquifer testing
  • peer review
  • expert services

Software Development

  • Fortran, VB, C and C++

Groundwater Modeling

  • groundwater flow
  • solute transport
  • code development

Continuing Education

  • public/in-house courses
  • aquifer test analysis
  • groundwater modeling
Extraction well array
San Diego 2007