The Dalles Dam

July 2026

Day of Month	Total Generation MWh	Average Generation MW	Station Use MWh	Inflow kcfs	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Midnight Reservoir Elevation	Average Forebay Elevation	Average Tailwater Elevation	Average Head feet
1	16941	706	48	187.20	186.90	116.10	65.00	158.75	158.70	78.85	79.85
2	14519	605	48	180.80	180.40	99.60	75.00	158.77	158.57	78.66	79.91
3	12927	539	48	167.00	164.70	87.70	71.20	159.22	159.15	78.34	80.81
4	12788	533	48	154.60	158.40	86.60	66.00	158.48	158.72	77.77	80.95
5	12338	514	48	155.40	151.70	82.90	63.00	159.18	158.99	77.49	81.50
6	14552	606	48	164.90	164.70	97.90	61.00	159.20	159.25	77.95	81.30
7	12644	527	48	157.50	157.30	85.50	66.00	159.27	159.31	77.90	81.41
8	9133	381	48	127.90	130.30	61.50	63.00	158.81	158.93	77.20	81.73
9	11247	469	48	135.80	133.30	75.50	52.00	159.27	159.06	77.20	81.86
10	11410	475	48	132.50	136.20	77.40	53.00	158.59	158.81	77.83	80.98
11	10425	434	48	134.50	130.50	70.70	54.00	159.35	158.59	77.44	81.15
12	9106	379	48	119.50	118.80	61.00	52.00	159.48	158.96	76.88	82.08
13	10393	433	48	123.20	123.10	69.30	48.00	159.50	159.01	76.70	82.31
14				129.20	132.10	77.30	49.00	158.97	158.99	77.06	81.93
15				125.30	126.40	67.60	53.00	158.76	158.57	77.00	81.57
16				135.30	136.00	80.10	50.00	158.67	158.54	77.45	81.09
17				112.90	110.90	51.10	54.00	159.02	158.61	77.36	81.25
18				103.70	102.60	52.80	44.00	159.25	159.01	77.31	81.70
19				113.50	112.80	66.00	41.00	159.38	159.03	77.29	81.74
20				121.50	121.60	70.80	45.00	159.38	158.91	77.18	81.73
21
22
23
24
25
26
27
28
29
30
31

TOT	158423		624
AVG	12186	508	48	139.11	138.94	76.87	56.26	159.06	158.89	77.54	81.34

MAX	16941			187.20	186.90	116.10	75.00	159.50	159.31	78.85	82.31
MIN	9106			103.70	102.60	51.10	41.00	158.48	158.54	76.70	79.85