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Fish Passage Decision Support System
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Go to the FPDSS's interactive map viewer.

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    • Welcome
    The Fish Passage Decision Support System (FPDSS) is an online application funded by the U.S. FWS Fish Passage Program. The FPDSS makes information about barriers to fish passage in the U.S. available to policy makers and the public.
    Barrier Removal Modeling
    Model the removal of a barrier to fish passage. The modeling operation can model fish passage both upstream and downstream of the barrier.
    Area Profile
    Create a profile report about a geographic area. Information returned includes maps of the area, barrier summary information, and hydrology.
    Featured Fish Passage Program Project
    Project Name:Granby Dam Removal, South Carolina
    FWS Region:Southeast
    Year Completed:2002
    Description:
    This first phase entails a navigational study to determine the impact of removal on recreational access to the river reach. This final study report is complete and impacts are being reviewed. If this impact is found to be minimal, ...
    Benefits:
    Passage at the Granby Dam will provide access to over 25 miles of mainstem river for endangered shortnose sturgeon, Atlantic sturgeon, striped bass, blueback herring, and American shad.
    		Image from project Granby Dam Removal, South Carolina