The following are Web sites with helpful information, but please note that we do not endorse any opinion, report, product or service described in them.

U.S. Government

U.S. EPA Office of Ground Water and Drinking Water [Visit Site]
U.S. Geological Survey (USGS) [Visit Site]

State/Provincial

Pennsylvania Department of Conservation and Natural Resources [Visit Site]
USGS Water Resources of Pennsylvania [Visit Site]

Academic

Water Resources Center Archives [Visit Site]

Membership/Organization

American Water Resources Association [Visit Site]
American Water Works Association [Visit Site]
Association of State Drinking Water Administrators (ASDWA) [Visit Site]
AWWA Research Foundation [Visit Site]
Groundwater Foundation, The [Visit Site]
Ground Water Protection Council [Visit Site]
National Ground Water Association [Visit Site]
National Rural Water Association [Visit Site]

Industry/Private

Water Conditioning and Purification Magazine [Visit Site]