POOL STAGE FREQUENCIES

TOWNSHEND DAM

West River, Vermont

(1936, 1962-2002)

(D.A. = 278 square miles) 

FREQUENCY

POOL STAGE

STORAGE

(yr)

  2

  5

 10

 50

100

 

(ft)

53.0

67.5

76.0

92.0

98.6

 

 

(acre-feet)

8,630

14,060

18,790

30,130

35,000

 

 

(inches)

1.5

2.5

3.3

5.3

6.2

 

(percent full)

 24

 43

 57

 91

100+

 

 

     Permanent Pool  =  21 ft.

     Spillway Crest  =  96.0 ft.(70-Year Freq) 

     Gate Invert  =   457.0 ft-NGVD