Lower Monumental Dam & Lake

June 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	62.20	62.40	12.10	49.60	538.39	538.63	438.53	100.10
2	56.10	56.40	12.20	43.40	538.29	538.32	438.47	99.85
3	51.40	50.90	12.20	38.00	538.44	538.40	438.30	100.10
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TOT
AVG	56.57	56.57	12.17	43.67	538.37	538.45	438.43	100.02

MAX	62.20	62.40	12.20	49.60	538.44	538.63	438.53	100.10
MIN	51.40	50.90	12.10	38.00	538.29	538.32	438.30	99.85