The maps below show the outlines of watersheds
that drain into rivers or reservoirs used by community and non-community
public water supply systems in Indiana. Maps of the individual watersheds
can be obtained by clicking on the water supply name beneath the maps.
These maps show digital (GIS) watershed boundaries developed
by Purdue University and Indiana State University in the mid-1990's, and
are not official. Land use is based on USGS LULC data. For official, or
more current, information on Indiana's surface water systems, please contact
the Indiana Department
of Environmental Management, Drinking Water Branch. For more information
about these maps,, contact Dr. Jane
Frankenberger.
A table of watershed size and major land
uses is also available.
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