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Hydrologic Data

NOTICE:  Recently discontinued and threatened USGS streamgages in Kentucky. Click here for more information.

NWISWeb Current Conditions

Stage and Discharge, Precipitation, Ground Water and Water-Quality for stations across Kentucky.
National Programs - State Programs

Surface Water Data

USGS Surface-Water Data for Kentucky. (period of record)
USGS Kentucky Stream-flow gage locations map. (clickable PDF map)
For those unable to view the graphical map, the same information is available via the USGS-KY NWISWeb site inventory page.
Flow Duration Graphs for select regulated and non-regulated streams within Kentucky

Ground Water Data

USGS Ground-Water Data for Kentucky

Water Quality Data

USGS Water-Quality Data for Kentucky

Water Use Data

Calendar Year 2000 Water-Use Data for Kentucky

Hydrology Tools

An online tool to obtain drainage areas and flow statistics for KY streams

Additional Sources for Hydrologic Data

National Weather Service Hydrologic Program
US Corps of Engineers - Louisville District: Water Management Online