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Last modified
1/25/2010 6:27:04 PM
Creation date
10/4/2006 11:41:01 PM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
299
County
Costilla
Community
Unincorporated Costilla County
Stream Name
Trinchera Creek, Culebra Creek, Colstilla Creek
Basin
Rio Grande
Title
CWCB Review Report - Floodplain Information Report - for the Rio Grande, Trinchera Creek, Culebra Creek, Colstilla Creek, and Selected Tributaries in Costilla County
Date
3/1/1989
Designation Date
11/1/1989
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />. <br /> <br />B. Map Accl.lracy: <br /> <br />FIIUDING: <br /> <br />J <br /> <br />statement on map "This map complies <br />wi th nlational Map Accuracy Standard s" <br />field checked by <br />on <br /> <br />Topographic base <br />standards of <br /> <br />mapping -.l..._ meets ____. doe~ <br />Rule 5.A. (detailed) or v/ <br /> <br />not meet the ffilnlmum <br />Rule 6.A. (approx.) <br /> <br />B. Hydrologic Analysis <br /> <br />lO-.year <br />50-year <br />~ .I lOO-year <br />500-year (not required) <br /> <br />3" - 55" <br />d- years of record available <br /> <br />gage years <br />gage years <br />gage years <br />Streamflow recol"ds over 50 years etc. <br />Str'(.amflow r'ecords 25 to 50 years etc. <br />Streamflow records 16 to 24 years etc. <br />___ Streamflow records less than 10 years etc. <br />regional skew <br />j mixed population <br />./ combined rain and snow <br />historic flood of <br />comparison with similar watershed(s) <br />synthetic analysis using rainfall r'unoff <br />model <br />__ precipitation records <br /> <br />I I Detail- Ru Ie 5 <br /> <br />1. Frequency includes: <br /> <br />2. Methodology used: <br /> <br />. <br /> <br />a. <br />b. <br />c. <br />d. <br /> <br />3. <br /> <br />Drainage Basin <br />Condi tions: <br /> <br />./ <br /> <br />4. <br /> <br />Work in Progress: <br /> <br />tJ(A <br /> <br />5. <br /> <br />Detention Characters: <br /> <br />---L <br /> <br />. <br /> <br />-7- <br /> <br />I -.:1-1 <br /> <br />Approximate - <br /> <br />Rule 6 <br /> <br />l'7 .3 "'~<2-,,") <br /> <br />J <br />J <br /> <br />conditions in 12 months <br />future urbanization likely <br />foreseeable development <br /> <br />complete wi thin 12 month~; <br />adequate progress <br /> <br />government body owned with a executed <br />legal agreement (in compHance) <br />privately owned with no written legal <br />agreement (not in compliance) <br />
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