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<br />TABLE 20 : COMPARISON OF WEST PLUM CREEK USING DIFFERENT METHODOLOGIES
<br />
<br />RETURN
<br />PERIOCl
<br />(ears)
<br />
<br />'"
<br />WEST PLUM WEST PLUM
<br />CREEK CREEK
<br />FLOW FLOW
<br />(FEMA) (UClFCD)
<br />(cIs) (cfs)
<br />
<br />'"
<br />50
<br /><0
<br />
<br />22.690
<br />16.800
<br />8.480
<br />
<br />19,209
<br />11,741
<br />2.436
<br />
<br />% DIFFERENCE
<br />INFLOW
<br />BETWEEN
<br />FEMAAND
<br />UDFCD
<br />
<br />15%
<br />30%
<br />71%
<br />
<br />Drainage area o( 'Nest Plum Creek al Plum Creek'" 134,9 square miles
<br />Drainage irea 01 Plum Creek il connuence 01 West Plum Creek'" 266 squire miles
<br />100.Year Flow of Plum Creek it West Plum Creek confluence'" 39,340 cIs
<br />Oriinage arei at East Plum Creek at X-S E (near West Plum Creek) '" 129 squire miles
<br />100.Year Flow 01 East Plum Creek al X-S E (near West Plum Creek) '" 16,650 cfs
<br />
<br />(1) Assume, !nal Easl P:um C,ee, and 'West Plum Cr1le~ peak tlews occur al the same time
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