POOL STAGE FREQUENCIES

HANCOCK BROOK DAM

Hancock Brook, Connecticut

(1955, 1968-2001)

(D.A. = 12 square miles) 

FREQUENCY

Pool Stage

STORAGE

(yr)

  2

  5

 10

 20

 50

100

500

 

(ft)

12.5

16.5

19.5

22.5

27.0

30.0

33.5

(acre-feet)

 480

 860

1,510

2,095

3,120

3,900

4,870

 

(inches)

0.8

1.6

2.4

3.3

4.9

6.1

7.6

 

(percent full)

  12

  22

  39

  54

  80

 100

  100+

 

    Permanent Pool Level  =  6 ft.

    Spillway Crest  =  30.0 ft. 

    Gate Invert  =  454.0 ft-NGVD