Home / Government / US Agencies / Department of Interior / US Geological Survey / USGS Water Resources Division

• USGS Water Resources Information
• Colorado
• NAWQA Program - The NAWQA Program studies status and trends in the waters of the United States.
• USGS Water Resources of California - Contains realtime streamflow, current conditions in California, data, maps, features, and reports. Updated daily.
• Water Quality of San Francisco Bay - The current and past water quality of the SF Bay-Estuary, including temperature, salinity, chlorophyll and other measurements