• USGS Water Watch ~ if you want to know about stream/river flows
• USGS National Water Quality Assessment Warehouse
• EPA ~ Online training in watershed management
• EPA~ Office of wastewater management
• Bureau of Reclamation
• National Water and Climate Center
• The Water Resources Research Center, University of Arizona provides educational materials to teachers.

Local Data...

• USGS Stream Flow Data at the Lower Narrows of the Mojave River
• CHANGES IN RIPARIAN VEGETATION IN THE SOUTHWESTERN UNITED STATES: Historical Changes along the Mojave River, California