Water Data

• US EPA Watershed Information Network
  • http://www.epa.gov/win/
• USGS Real-Time Water Data for the Nation
  • http://waterdata.usgs.gov/nwis/rt
• USGS Water Resources of the United States
  • http://water.usgs.gov/

Local weather

• NOAA National Weather Service
  • http://www.nws.noaa.gov/

Other

• MO Department of Natural Resources Springs (and other karst) information
  • http://www.dnr.mo.gov/env/wrc/springsandcaves.htm#Springs
• MO Groundwater Association
  • http://www.missourigroundwater.org/
• Speleology at Washington University in St. Louis
  • http://speleology.wustl.edu/