年別,總蓄水量[百萬立方公尺],有效蓄水量[百萬立方公尺],平均水位[公尺],進水量[千立方公尺],放水量[千立方公尺],利用量[千立方公尺],用水量[千立方公尺],發電水量[千立方公尺]
76年,323.31,274.58,163.02,921981,825257,742266,125308,731576
77年,325,246.61,157.24,1163996,1158946,773366,197827,769473
78年,319.2,247.67,157.76,925476,934340,933278,198367,919411
79年,274.07,267.18,160.34,1279126,1326972,1180409,217494,1170717
80年,343.48,224.94,154.29,738768,665662,662482,299614,659242
81年,335.07,286.19,162.28,996246,1004474,1004474,287903,1004474
82年,267.47,228.25,154.76,615646,686680,686680,408261,665373
83年,364.44,264,159.93,971741,869811,828955,350291,823728
84年,252.56,255.95,158.75,663939,781494,781494,460752,771612
85年,317.52,257.15,158.92,1099068,1032563,886027,374647,827854
86年,249.15,248.19,158.11,780342,850895,850895,468171,840997
87年,349.26,259.97,159.22,1583563,1477702,1023983,327238,1018685
88年,349.25,233.16,156,720432,721022,721022,407617,679678
89年,322.89,281.39,162.29,1401662,1430497,1213857,329587,1135786
90年,315.18,251.01,159.46,1397330,1406721,1011111,385727,973169
91年,260.19,151.76,144.22,543140,599763,599763,584423,381163
92年,301.67,153.22,146.47,537618,501437,501437,501437,476457
93年,370.63,272.08,162.14,1111467,1038522,819266,331169,781733
94年,352.93,283.56,163.48,1303446,1321213,1237279,289574,1179981
95年,349.41,261.59,161.41,887302,887854,887766,282291,875575
96年,340.2,271.28,162.53,1246026,1256163,1072177,263535,1060063
97年,307.69,251.37,160.11,1120468,1150391,954163,350790,871317
98年,344.38,239.13,158.5,885364,841584,824324,442456,800763
99年,339.29,235.1,157.86,865043,886036,822262,338803,809227
100年,362.62,266.53,162.12,1085899,1069124,1059080,191487,1045025
101年,345.79,267.3,162.24,1167995,1161177,1042078,121904,1040776
102年,357.36,287.68,164.66,988476,979501,949018,208406,928972
103年,356.83,278.76,163.6,832163,844052,824026,221351,804547
104年,328.55,281.18,163.94,1026146,1026710,876643,233795,764188
105年,329.66,282.29,164.03,1245470,1251314,1055554,99941,998684
106年,320.46,316.65,162.94,965401,966538,913193,186438,862248
107年,299.05,253.58,160.18,864332,855491,829985,242189,820434
108年,299.05,253.91,162.3,849534,853700,815005,219098,808788
109年,297.97,253.03,160.04,755735,745025,723385,356516,701739
110年,297.97,253.16,167.72,849230,850648,800944,305332,781342
111年,343.75,298.94,165.6,1360872,1375591,958613,182233,834478