Aquatic Barrier Prioritization ToolAquatic Barrier Tool

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Across the full analysis area, there are:

391,020 inventoried dams, including:

  • 19,280 that have been reconned for social feasibility of removal
  • 357,580 have been analyzed for their impacts to aquatic connectivity in this tool

Click on a summary unit the map for more information about that area.

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Note: These statistics are based on inventoried dams. Because the inventory is incomplete in many areas, areas with a high number of dams may simply represent areas that have a more complete inventory.

33,440 dams were not analyzed because they could not be correctly located on the aquatic network or were otherwise excluded from the analysis.