POOL STAGE FREQUENCIES

MANSFIELD HOLLOW LAKE

Natchaug River, Connecticut

(1938, 1952-2001)

(D.A. = 159 square miles) 

FREQUENCY

POOL STAGE

STORAGE

(yr)

2

5

10

20

50

100

500

 

(ft)

31.0

39.0

44.0

49.5

56.5

62.0

65.0

 

(acre-feet)

9,000

16,500

22,000

29,000

39,500

49,200

58,000

 

(inches)

1.1

1.9

2.6

3.4

4.7

5.8

6.8

(percent full)

18

34

45

59

80

100

100+

       Permanent Pool  =  14.0 ft.

       Spillway Crest  =  62.0 ft. 

       Gate Invert  =  195.0 ft-NGVD