Area / Capacity
Surry Mountain Dam
Drainage Area = 100 sq. mi.
Stage
(ft)
Area
(acres)
Capacity
(ac-ft)
Capacity
(in)
Full
(Percent)
0 0 0 0.00 0.0
1 15 0 0.00 0.0
2 30 0 0.00 0.0
3 40 0 0.00 0.0
4 55 0 0.00 0.0
5 70 0 0.00 0.0
6 85 0 0.00 0.0
7 100 0 0.00 0.0
8 120 0 0.00 0.0
9 140 0 0.00 0.0
10 155 0 0.00 0.0
11 175 0 0.00 0.0
12 195 0 0.00 0.0
13 215 0 0.00 0.0
14 240 0 0.00 0.0
15 260 0 0.00 0.0
16 278 269 0.05 1.0
17 296 559 0.10 2.0
18 314 864 0.16 3.0
19 332 1,187 0.22 4.0
20 350 1,528 0.29 5.0
21 364 1,885 0.35 6.0
22 378 2,256 0.42 7.0
23 392 2,641 0.49 8.0
24 407 3,041 0.57 10.0
25 423 3,456 0.65 11.0
26 438 3,887 0.73 12.0
27 453 4,333 0.81 14.0
28 468 4,794 0.90 15.0
29 483 5,270 0.99 17.0
30 498 5,761 1.08 18.0
31 512 6,266 1.17 20.0
32 526 6,785 1.27 21.0
33 540 7,318 1.37 23.0
34 554 7,865 1.47 25.0
35 567 8,426 1.58 27.0
36 580 8,999 1.69 28.0
37 594 9,586 1.80 30.0
38 608 10,187 1.91 32.0
39 621 10,802 2.02 34.0
40 635 11,430 2.14 36.0
41 649 12,072 2.26 38.0
42 664 12,729 2.39 40.0
43 678 13,400 2.51 42.0
44 693 14,086 2.64 44.0
45 708 14,786 2.77 47.0
46 722 15,501 2.90 49.0
47 736 16,230 3.04 51.0
48 750 16,973 3.18 54.0
49 765 17,731 3.32 56.0
50 780 18,503 3.47 58.0
51 794 19,290 3.61 61.0
52 808 20,091 3.77 63.0
53 822 20,906 3.92 66.0
54 836 21,735 4.07 69.0
55 850 22,578 4.23 71.0
56 862 23,434 4.39 74.0
57 874 24,302 4.55 77.0
58 887 25,183 4.72 79.0
59 900 26,076 4.89 82.0
60 913 26,983 5.06 85.0
61 925 27,902 5.23 88.0
62 937 28,833 5.40 91.0
63 948 29,776 5.58 94.0
64 959 30,729 5.76 97.0
65 970 31,694 5.94 100.0
66 986 32,672 6.12 103.0
67 1002 33,666 6.31 106.0
68 1018 34,676 6.50 109.0
69 1034 35,702 6.69 113.0
70 1050 36,744 6.89 116.0
71 1067 37,802 7.08 119.0
72 1084 38,878 7.29 123.0
73 1100 39,970 7.49 126.0
Invert Elevation = 485 ft. NGVD
Spillway Crest = 65 ft Top of Dam = 83 ft