The Subbasin Planning data sets on StreamNet are found at https://www.streamnet.org/home/data-maps/subbasin-datasets/.
(Current as of 2/9/2026)
 
These data sets were originally (beginning April 23, 2008) found on StreamNet at http://www.streamnet.org/subbasin_planning.html.  That page was later moved to the URL shown above.
 
 
 
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Our web site does sometimes change. If the link above is not working you should be able to find the Subbasin Plans data sets by starting from our home page and searching through the menus or using our Search function.  Also, we would appreciate you letting us know so we can update this page.