U.S. EPA's Kerr Environmental Research Center - Subsurface Protection and Remediation Division: R&D on groundwater remediation, ground water modeling, and related topics. Web site offers reports, e-mail lists, access to models.

Center for Groundwater Research at the Oregon Graduate Institute - The OGI/CGR coordinates a range of projects relating to the transport and fate of contaminants in soils and groundwater.

Oregon Graduate Institute - Center for Ground Water Research - Research on transport and fate of contaminants in soils and groundwater.