dams by primary purpose and ownership
dam locations and conditions
Zoom and scroll, or hold shift to rotate. Hover on individual dams for more information. Size represents maximum storage capacity (acre-feet). The scale should only be used to compare dam sizes within , not across states.
dams counts by condition and hazard potential
Of listed in the NID, listed as being in Poor condition. Of those in Poor condition, High hazard potential, where “downstream flooding would likely result in loss of human life.”