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FLOOD09455
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FLOOD09455
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Last modified
1/26/2010 10:09:18 AM
Creation date
10/5/2006 4:20:37 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
336
County
Boulder
Community
Unincorporated Boulder County
Stream Name
Various
Basin
South Platte
Title
FIS - Boulder County Unincorporated Areas, Volume 1 of 5
Date
7/15/1988
Designation Date
11/10/1992
Prepared For
Boulder County and CWCB
Prepared By
FEMA
Floodplain - Doc Type
Historic FEMA Regulatory Floodplain Information
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<br /> <br />Table 1. Summary of Discharges <br /> <br />Floodin~ Source and Location <br /> <br />Coal Creek <br />At Confluence With Rock Creek <br />At a Point 65,250 Feet Above Mouth <br />At Burlington Northern Railroad <br />At U.S. Hi~hway 287 <br />At a Point 70,350 Feet Above Mouth <br />At Denver-Boulder Turnpike <br />At McCaslin Boulevard <br /> <br />Dry Creek <br />At Downstream Limit of Detailed Study <br /> <br />'" <br /> <br />Dry Creek No. I <br />Above Steele Lakes Tributary <br />Above Clover Basin Tributary <br />Below State Highway 119 <br /> <br />Clover Basin Tributary <br />At 75th Street <br /> <br />Steele Lakes Tributary <br />At 75th Street <br /> <br />Dry Creek No.2 <br />At North 107th Street <br /> <br />Dry Creek No. 3 <br />Below Arapahoe Road <br /> <br />--I <br />Data Not Available <br /> <br />~ <br /> <br />Drainage Area <br />(Square Miles) <br /> <br />Peak Discharges (Cubic Feet per Second) <br />10-Year 50-Year laO-Year 500-Year <br /> <br />59.3 <br />37.6 <br />36.3 <br />35.6 <br />33.7 <br />27.9 <br />26.7 <br /> <br />5,120 <br />2,860 <br />2,330 <br />2,370 <br />2,230 <br />1,740 <br />1,400 <br /> <br />I <br /> <br />1 <br />I <br />1 <br /> <br />271 <br />568 <br />260 <br /> <br />I <br /> <br />178 <br /> <br />1 <br /> <br />494 <br /> <br />I <br /> <br />900 <br /> <br />13.6 <br /> <br />8,740 <br />3,620 <br />3,490 <br />3,480 <br />3,420 <br />3,070 <br />2,980 <br /> <br />I <br /> <br />674 <br />1,268 <br />330 <br /> <br />400 <br /> <br />1,165 <br /> <br />1,900 <br /> <br />1 <br /> <br />10,640 <br />4,250 <br />4,120 <br />4,110 <br />4,040 <br />3,820 <br />3,770 <br /> <br />I <br /> <br />4,030 <br /> <br />987 <br />1,726 <br />350 <br /> <br />495 <br /> <br />1,512 <br /> <br />2,600 <br /> <br />1 <br /> <br />1,300 <br /> <br />15,920 <br />6,260 <br />6,170 <br />6.160 <br />6,060 <br />6,030 <br />5,990 <br /> <br />1 <br /> <br />1,872 <br />3,112 <br />415 <br /> <br />854 <br /> <br />2,428 <br /> <br />4,295 <br /> <br />1 <br />
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