Across the full analysis area, there are:
509,732 inventoried dams, including:
Click on a summary unit the map for more information about that area.
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.
47,433 dams were not analyzed because they could not be correctly located on the aquatic network or were otherwise excluded from the analysis.