Colorado Basin River Forecast Center
- Forecasts, and information about rivers in the Colorado and eastern Great basins.
- http://www.cbrfc.noaa.gov/

California Department of Water Resources
- 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.
- http://cdec.water.ca.gov/

United States NWIS-W Data Retrieval
- Access daily information from all the water level gauges in the US.
- http://waterdata.usgs.gov/nwis-w/US/

West Virginia Gauges Information
- New, Gauley, Tygart, Potomac and Big sandy River using data from the Army Corps of Engineers and USGS.
- http://www.wvwhitewater.com/gauges.cfm