MISSOURI RIVER MAINSTEM RESERVOIR DATA Pool Elevation (feet above mean sea level) On May 31 Change in May Water in Storage (1,000 acre-feet) On May 31 % of 1967-2022 Average Change in May Fort Peck 2225.8 +3.9 13,139 91 +722 Garrison 1832.8 +3.6 16,332 92 +996 Oahe 1602.0 +2.2 17,024 96 +621 Big Bend 1420.6 -0.3 1,667 98 -11 Fort Randall 1357.0 +1.9 3,572 107 +140 Gavins Point 1206.6 +0.5 341 88 +11 Total 52,075 94 +2,479 WATER RELEASES AND ENERGY GENERATION FOR MAY Average Release in 1,000 cfs Releases in 1,000 acre-feet Generation in Million kWh Fort Peck 7.3 450 68 Garrison 19.3 1,189 172 Oahe 17.8 1,095 164 Big Bend 18.3 1,125 61 Fort Randall 16.7 1,025 112 Gavins Point 19.4 1,194 56 Total 633