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FLOOD03984
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Last modified
1/29/2010 10:15:22 AM
Creation date
10/5/2006 12:15:42 AM
Metadata
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Template:
Floodplain Documents
County
Douglas
Teller
Arapahoe
Community
Douglas, Teller, Arapahoe Counties
Stream Name
South Platte River
Basin
South Platte
Title
Hydrology Report for Flood Insurance Studies
Date
1/2/1975
Prepared For
FEMA
Prepared By
J.F. Sato & Associates
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />Stream & <br /> <br />Drainage <br />Area sq.mi. <br /> <br />Peak Discharges (cfs) <br />Iq:X r__---1~::Y r~___l_ 0 Q.:y r _ ___;).r~Q_::_:Lr <br /> <br />Location <br />Trout Creek <br />At D/S limit of <br />study reach <br /> <br />23.8 <br /> <br />'"., <br /> <br />~,2"O 3,4g0 <br /> <br />7, 'lfjC <br /> <br />At U/S limit: of <br />study reach 12.6 <br /> <br />I::. 9 ~'I <br /> <br />1,h80 2,260 <br /> <br />I~, 390 <br /> <br />Loy Gulch <br />Just U/S of confluence <br />with Trout Creek 5.2 <br /> <br />;! <br /> <br />690 1, OLIO <br /> <br />1 ,970 <br /> <br />D/S of confluence with <br />Midd Ie Fork and <br />Paint Ponys <br /> <br />4.3 <br /> <br />:;~ :) i~. <br /> <br />630 <br /> <br />930 <br /> <br />1,no <br /> <br />~EE.roximate Studies <br /> <br />Streams studied by approximate methods :In TellE'r County belong to <br />the Trout Creek bas in only. Peak d L; charges 'were obt ained from <br />the results of the detailed hydrologic analyses using TR,.20, as <br />discussed above. <br /> <br />Peak discharges for Rule Creek, Squm,' Gu lch, and "'11 s:m Creek, <br />were obtained using SCS methodology of TR-55, which approximates <br />TR-20. Since the Twin Creek drainag<" 'j-asin was for large:r than <br />the data base used to develop TR-55, it was necessary to use TM-l <br />to estimate the peak discharge. A summary of discharges for <br />approximate studies in Teller County is presented in Table 2. <br /> <br />-10- <br />
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