Table 4: Reservoirs with residual storage capacity Prevailing use Number of dams Volume (hm3) Storage capacity used Residual storage capacity Hydroelectric 11 44 27 17 Irrigation 64 4172 3316 856 Drinking water 14 188 117 71 Industry 11 135 115 20 Flood control 3 43 43 – Others 8 7 5 2 TOTAL 101 4579 3623 966