Water Surveys
Guam Hydrological Survey, MED-HYCOS 2.0 Mediterranean Hydrologic Observing S, National Water and Climate Center (U.S.)
Delaware River Basin Commission
Data on basin flows and reservoir elevations, technical reports, educational page and other information on the watershed.
EPA's Office of Water
Directory and searching of U.S. EPA water-related web resources, imagery, animations, kid's pages, publications, and links about U.S. water resources.
European Topic Centre on Water
Consortium of water quality agencies which monitor and exchange information on the health of European waters.
Oklahoma Water Quality Division
Oklahoma's state department of environment, water quality section.
Region III, Water Protection Division
Information on environmental and water quality programs administered by Region III (Mid-Atlantic region) of the U.S. Environmental Protection Agency.
South Florida Water Management District
Regional agency responsible for planning and regulation of consumptive uses of water, regulation of wetlands and other water related activities including restoration of the Everglades.
Southwest Florida Water Management District
SWFWMD is a state/local governmental regulatory agency which issues water use permits, among other responsibilities
St. Johs River Water Management District
The St. Johns River Water Management District is responsible for managing ground and surface water supplies in all or part of 19 counties in northeast and east-central Florida.
Susquehanna River Basin Commission
Site provides listings of Commission activities and projects, technical reports and summaries of hydrologic conditions in the basin.