groundwater.com -
groundwater.com web site featuring the Groundwater Mailing List (over 2000
members), and links to many environmental and geology web sites.
Ground Water Atlas of
the United States - describes the ground-water resources of regional
areas that collectively cover the 50 states, Puerto Rico, and the U.S.
Virgin Islands.
UK Groundwater Forum - focus for a
coordinated national (UK) groundwater research agenda; reference point for
groundwater research, issues, policy, and personal contacts.
National Water-Quality Assessment
Program (NAWQA) - designed to describe the status and trends in the quality of the United
States ground- and surface-water resources and to provide a sound
understanding of the natural and human factors that affect the quality of
these resources.