POOL STAGE FREQUENCIES

EDWARD MACDOWELL LAKE

Nubanusit Brook, New Hampshire

(1936, 1951-1998)

(D.A. = 44 square miles) 

FREQUENCY

Pool Stage

STORAGE

(yr)

  2

  5

 10

 20

 50

100

200

 

(ft-NGVD)

923.8

931.0

935.8

940.0

945.7

949.5

952.0

 

(acre-feet)

 3,090

 3,500

 7,295

 9,000

12,418

15,750

18,411

(inches)

1.4

1.5

3.2

3.9

5.4

6.8

7.9

(percent full)

  24

  43

  57

  96

  98

 100

  100+

 

    Permanent Pool Level  =  911 ft-NGVD

    Spillway Crest  =  946.0 ft-NGVD  

    Gate Invert  =  904.0 ft-NGVD