Table 4: Proportion of hydro dams removed by region

Region Total Number of FERC Recognised Hydro Projects Total No. of Hydro Dams Removed % of Total
FERC Licensed FERC Exempt
Pacific 257 247 504 12 2.4%
Desert 30 27 57 1 1.7%
Central 210 65 275 5 1.8%
Great Lakes 52 10 62 2 3.2%
East Atlantic 487 254 741 10 1.3%
Continental US 1036 603 1639 30 1.8%