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Last modified
1/26/2010 10:08:44 AM
Creation date
10/5/2006 4:10:33 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
406
County
El Paso
Community
Monument
Basin
Arkansas
Title
Hydrology Addendum for Approximate Floodplains - Monument
Date
12/22/1995
Designation Date
1/1/1996
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />. Table I <br />Estimated IOO-year peak flows for Crystal Creek, Dirty Woman Creek, Jackson Creek, <br />Teachout Creek & Unnamed Tributary <br /> <br /> <br />Crystal Creek, upstream of Monument Lake <br />Crystal Creek upstream of /-25 <br />Crystal Creek-Split Flow Channel at Dirty <br />Woman Creek <br />Dirty Woman Creek at /-25 <br />Dirty Woman Creek at City Limits <br />Jackson Creek to City Limits <br />Northern Tributary to Jackson Creek <br />confluence <br />Southern Tributaries to confluence with <br />Jackson Creek mainstem <br />N, Fork Teachout Creek to confluence with <br />mainstem <br />S, Fork Teachout Creek to confluence with <br />mainstem <br />Teachout Creek to 1-25 <br />Teachout Creek to City Limits <br />Unnamed Tributary to Monument Creek <br />within city limits <br />Unnamed Tributary to Monument Creek to <br />1-25 <br />* The italized information was derivedfrom FEMA 's March 17, 1997 FIS for El Paso County and 1ncorlJorated Areas. <br /> <br />1.43 <br />0,58 <br />0,58 <br /> <br />1,290 <br />530 <br />250 <br /> <br />4.17 <br />4.93 <br />2,89 <br />0.14 <br /> <br />2,540 <br />3,260 <br />3,330 <br />65 <br /> <br />2.27 <br /> <br />2,600 <br /> <br />0.43 <br /> <br />370 <br /> <br />0.57 <br /> <br />600 <br /> <br />. <br /> <br />1.38 <br />1.41 <br />0.225 <br /> <br />1,690 <br />1,770 <br />140 <br /> <br />0,175 <br /> <br />95 <br /> <br />A procedure for determining hydrology information for approximate floodplains of lakes, ponds, <br />and local drainages has not been established, The hydrologic methodology developed in the <br />Guidelines is appropriate for designation and approval of approximate floodplain information and <br />for use in simple floodplain analyses for development such as open space, agriculture, fann bridges, <br />pole bams, and individual single residential structures, This methodology, as well as any other <br />approximate hydrology, is not appropriate for development involving residential subdivisions <br />greater than 50 lots or occurring on sites greater than 5 acres, commercial construction, industrial <br />construction, construction of public transportation facilities, or construction of flood control <br />facilities, Streams in italics denote streams whose 100-year flow values and drainage areas were <br />determined by FEMA using detailed study methodology, The differences in flow values between <br />the detailed information and the approximate, illustrates the need for detailed studies whenever <br />development is considered. <br /> <br />. <br /> <br />The ToWll of Monument should regulate the approximate floodplains on a case-by-case basis <br />subject to a detailed hydrologic and hydraulic analysis. A detailed floodplain analysis will be <br />
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