Lower Monumental Dam & Lake

August 2026

Day of Month	Inflow kcfs	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Midnight Reservoir Elevation	Average Forebay Elevation	Average Tailwater Elevation	Average Head feet
1	25.90	26.10	12.30	13.00	538.24	537.87	438.07	99.80
2	27.20	28.00	12.50	14.70	538.00	537.98	437.88	100.10
3	23.90	23.80	12.50	10.70	537.98	538.01	438.02	99.99
4	24.00	24.70	12.40	11.40	537.78	537.89	438.01	99.88
5	27.70	27.40	12.60	14.00	537.88	537.84	438.01	99.83
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TOT
AVG	25.74	26.00	12.46	12.76	537.98	537.92	438.00	99.92

MAX	27.70	28.00	12.60	14.70	538.24	538.01	438.07	100.10
MIN	23.90	23.80	12.30	10.70	537.78	537.84	437.88	99.80