MISSOURI RIVER MAINSTEM RESERVOIR DATA Pool Elevation (feet above mean sea level) Water in Storage (1,000 acre-feet) On May 31 Change in May On May 31 % of 1967-2020 Average Change in May Fort Peck 2222.1 -0.5 12,443 86 -103 Garrison 1829.5 +1.4 15,450 87 +435 Oahe 1596.7 +1.6 15,547 87 +419 Big Bend 1421.0 -0.2 1,687 99 -9 Fort Randall 1355.0 -1.1 3,410 102 -65 Gavins Point 1206.8 -0.1 346 89 +1 Total 48,883 88 +678 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 7.3 449 69 Garrison 16.8 1,031 150 Oahe 14.5 893 128 Big Bend 15.1 929 50 Fort Randall 17.1 1,052 113 Gavins Point 20.4 1,256 49 Total 559