POOL STAGE FREQUENCIES

TULLY LAKE

Tully River, Massachusetts

(1936, 1938, 1949-1998)

(D.A. = 50 square miles) 

FREQUENCY

POOL STAGE

STORAGE

(yr)

  2

  5

 10

 20

 50

100

200

 

(ft)

20.0

25.0

29.5

33.8

39.0

43.0

46.2

 

(acre-feet)

 1,525

 4,225

 7,600

11,200

16,225

20,525

23,600

 

(inches)

0.6

1.6

2.8

4.2

6.1

7.7

8.9

 

 (percent full)

  7

 20

 37

 54

 79

100

100+

     Permanent Pool  =  11.0  ft.

     Spillway Crest  =  43.0 ft. 

     Gate Invert  =  625.0 ft-NGVD