Idaho National Engineering & Environmental Laboratory (INEEL)
Center for Geophysical Investigation of the Shallow Subsurface, a HERC Research Center at Boise State University
Idaho Department of Water Resources
Groundwater Remediation Technologies Resource Guide
International Groundwater Modeling Center
RBW's Home Page, with many groundwater modeling links.
Canadian
National Hydrology Research Institute
Water Use in the United States (Compliments of the USGS)
University of Washington Marine Bioremediation Program
USGS Pesticide National Synthesis Project

Enzyme Metabolic Pathways (Argonne National Laboratory)
Hazardous Chemical Database (University of Akron)
Oil Spill Public Information Center
DOE Office of Environmental Management
DOE Environmental Sciences Division
EPA Center for Environmental
Statistics
Superfund Program Homepage
EPA Phytoremediation Bibliography