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POOL STAGE FREQUENCIES LITTLEVILLE DAM Middle Branch Westfield River , Connecticut (1938,1955,1967-2002) (D.A. = 52.3 square miles) |
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FREQUENCY |
Pool Stage |
STORAGE |
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(yr) 2 5 10 50 100
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(Ft-NGVD) 535.0 544.5 551.0 565.0 571.0 |
(acre-feet) 5,500 9,000 11,600 17,900 20,700
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(inches) 2.0 3.2 4.2 6.4 7.4
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(percent full) 23 39 50 78 90
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Permanent Pool Level = 518.0 Ft.-NGVD Spillway Crest = 576.0 Ft.-NGVD (approx. 150-yr Freq) Gate Invert = 432.0 Ft.-NGVD |
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