POOL STAGE FREQUENCIES BALL MOUNTAIN LAKE West River, Vermont (1936, 1962-2008) (D.A. = 172 square miles) |
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FREQUENCY |
POOL STAGE |
STORAGE |
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(yr) 2 5 10 20 50 100 200
|
(ft) 131.6 159.8 176.5 191.3 209.1 214.0 216.5
|
(acre-feet) 13,550 23,280 31,070 39,690 48,980 56,460 58,460
|
(inches) 1.5 2.5 3.4 4.3 5.3 6.1 6.4 |
(percent full) 25 43 58 73 90 100+ 100+
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Permanent Pool = 25.0 ft. Spillway Crest = 211.5 ft. Gate Invert = 805.5 ft-NGVD |