POOL STAGE FREQUENCIES

OTTER BROOK DAM  

Otter Brook, New Hampshire

 (D.A. = 47 square miles)

(1936, 1958 - 2002)

FREQUENCY

POOL STAGE

STORAGE

(yr)

  2

  5

 10

 50

100

 

(ft)

44.0

61.0

73.0

94.0

99.0

 

(acre-feet)

3,140

6,550

9,640

16,450

17,940

 

 

(inches)

1.3

2.6

3.8

6.5

7.2

 

 

(percent full)

 18

 38

 55

 91

100+

 

     NORMAL POOL LEVEL = 20.0 ft.

     SPILLWAY CREST = 96.0 ft.(65-yr Freq)

     GATE INVERT =  683.0 ft-NGVD