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European Topic Centre on Water
Consortium of water quality agencies which monitor and exchange information on the health of European waters.
http://water.eionet.eu.int/
MED-HYCOS 2.0 Mediterranean Hydrologic Observing System
Project monitors hydrologic conditions in 19 Mediterranean countries, to help the region to better cope with difficulties of water excess or scarcity, water pollution and environmental degradation.
http://medhycos.mpl.ird.fr
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.
http://www.sfwmd.gov/
Susquehanna River Basin Commission
Site provides listings of Commission activities and projects, technical reports and summaries of hydrologic conditions in the basin.
http://www.srbc.net/