California Department of Water Resources « http://cdec.water.ca.gov/ | | Data exchange center provides current river conditions , stages , flows , river and tide forecasts , snowpack status , precipitation and snow information , satellite images , water supply and weather forecasts. |
Colorado Basin River Forecast Center « http://www.cbrfc.noaa.gov/ | | Forecasts , and information about rivers in the colorado and eastern great basins. |
United States NWIS-W Data Retrieval « http://waterdata.usgs.gov/nwis-w/US/ | | Access daily information from all the water level gauges in the us. |
Water Levels « http://kayak.science.oregonstate.edu/ | | Water level data focused mainly on the western states. |
West Virginia Gauges Information « http://www.wvwhitewater.com/gauges.cfm | | New , gauley , tygart , potomac and big sandy river using data from the army corps of engineers and usgs. |
Whitewater River Streamflow Data « http://www.geocities.com/robprotz/rivers.html | | Links to realtime , mostly usgs streamflows for many eastern us whitewater and recreational rivers. |