US Army Corps of Engineers

Dexter Dam & Lake on MF Willamette River

May 2026

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow cfsTotal Outflow cfsGeneration Flow cfsSpill cfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetMidnight Storage kaf
1 0 0 1 1242 1240 0 1190 694.18 694.06 637.21 56.85 26519.17
2 0 0 1 1267 1240 0 1190 694.22 694.09 637.21 56.88 26558.57
3 0 0 1 1228 1240 0 1190 694.22 694.10 637.20 56.90 26558.57
4 0 0 0 1317 1240 0 1190 694.44 694.18 637.20 56.98 26774.56
5 74 3 1 1225 1550 820 670 693.99 694.07 637.42 56.65 26332.28
6 142 6 1 1575 1680 1630 0 693.86 693.81 637.50 56.31 26205.76
7 143 6 1 1595 1690 1640 0 693.62 693.65 637.50 56.15 25970.57
8 151 6 1 1655 1770 1720 0 693.33 693.37 637.53 55.84 25688.06
9 165 7 0 1647 1930 1880 0 692.92 692.98 637.61 55.37 25290.17
10 169 7 1 2029 1980 1930 0 693.05 692.88 637.65 55.23 25415.95
11 171 7 1 2000 1990 1940 0 693.06 692.94 637.66 55.28 25425.76
12 170 7 1 1974 1990 1940 0 693.02 692.91 637.65 55.26 25386.57
13 169 7 1 1900 1980 1930 0 692.80 692.81 637.65 55.16 25174.00
14 169 7 0 1900 1970 1930 0 692.65 692.64 637.65 54.99 25028.45
15 199 8 1 1766 2340 2290 0 692.59 692.49 637.89 54.60 24970.38
16 222 9 1 2787 2600 2550 0 692.90 692.82 638.03 54.79 25271.00
17 222 9 1 2664 2590 2550 0 693.09 693.00 638.02 54.98 25455.18
18 223 9 1 2702 2590 2540 0 693.27 693.23 638.02 55.21 25629.86
19 223 9 0 2603 2590 2540 0 693.26 693.28 638.03 55.25 25620.16
20 223 9 1 2566 2590 2540 0 693.25 693.25 638.01 55.24 25610.46
21 223 9 1 2484 2590 2540 0 693.25 693.19 638.02 55.17 25610.46
22 244 10 1 2658 2820 2780 0 693.35 693.20 638.19 55.01 25707.46
23 261 11 1 2984 2990 2940 0 693.18 693.15 638.28 54.87 25542.57
24 267 11 1 2960 3050 3000 0 692.92 692.96 638.32 54.64 25290.17
25 266 11 0 2972 3050 3000 0 692.78 692.76 638.33 54.43 25154.57
26 266 11 1 3097 3030 2980 0 693.32 692.97 638.32 54.65 25678.37
27 269 11 1 3207 3070 3020 0 693.37 693.25 638.32 54.93 25726.86
28 267 11 1 3110 3070 3020 0 693.41 693.30 638.33 54.97 25765.78
29 2398 2720 693.39 692.69 638.10 54.59 25746.28
30 2929 2530 693.71 693.21 638.01 55.20 26058.78
31 2459 2400 693.80 693.26 637.93 55.33 26147.00
TOT 4898  23         
AVG 175 7 1 2223 2262 1988 194 693.36 693.24 637.83 55.41 25719.80
MAX 269   3207 3070 3020 1190 694.44 694.18 638.33 56.98 26774.56
MIN 0   1225 1240 0 0 692.59 692.49 637.20 54.43 24970.38
BUILDING STRONG®