POOL STAGE FREQUENCIES

HOP BROOK DAM

Hop Brook, Connecticut

(1955, 1969-2001)

(D.A. = 16.4 square miles) 

FREQUENCY

Pool Stage

STORAGE

(yr)

  2

  5

 10

 20

 50

100

500

 

(ft)

42.0

48.0

53.5

59.0

65.0

70.0

74.5

 

(acre-feet)

1,340

2,090

2,915

3,860

5,090

6,290

7,600

 

(inches)

1.5

2.4

3.4

4.4

5.8

7.2

8.7

 

(percent full)

 20

 31

 43

 56

 74

 92

  100+

 

    Permanent Pool Level  =  18 ft.

    Spillway Crest  =  72.0 ft. 

    Gate Invert  =  292.0 ft-NGVD