POOL STAGE FREQUENCIES

BALL MOUNTAIN LAKE

West River, Vermont

(1936, 1962-2008)

(D.A. = 172 square miles) 

FREQUENCY

POOL STAGE

STORAGE

(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+

 

     Permanent Pool  =  25.0 ft.

     Spillway Crest  =  211.5 ft. 

     Gate Invert  =   805.5 ft-NGVD