POOL STAGE FREQUENCIES

NORTHFIELD BROOK DAM

Northfield Brook, Connecticut

(1955, 1968-2001)

(D.A. = 5.7 square miles) 

FREQUENCY

Pool Stage

STORAGE

(yr)

  2

  5

 10

 50

100

500

 

(ft)

45.0

56.0

63.0

80.0

87.0

97.0

 

(acre-feet)

 330

 578

790

1,455

1,810

2,450

 

 

(inches)

1.1

1.9

2.6

4.8

6.0

8.0

 

 

(percent full)

  14

  25

  33

  62

  77

 100+

 

 

    Permanent Pool Level  =  19.5 ft.

    Spillway Crest  =  95.5 ft. 

    Gate Invert  =  480.5 ft-NGVD