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Last modified
1/25/2010 6:44:53 PM
Creation date
10/5/2006 12:14:09 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
293
County
Rio Grande
Community
Del Norte
Stream Name
Rio Grande River
Basin
Rio Grande
Title
CWCB Review Report - Floodplain Management Study - Rio Grande River near Del Norte
Date
9/1/1988
Designation Date
1/1/1989
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />. <br /> <br />8. Map Accuracy: <br /> <br />tieS <br />, <br /> <br />stOltement on map "This map complies <br />wi th National Map Accuracy Stanflard s" <br />field checked by RtlPtd' ~ St'alt",/!."l -C0c ("?, <br />on .Ma.~ II) 19'i? , <br /> <br />FINDING: <br /> <br />Topographic base jJl6'pping Jmeets __ does not meet the minimum <br />standards of __~ Rule 5.A. (detailed) or ____ Rule 6.A. (approx.) <br /> <br />O. Ilydroh'sic An&lys is <br />I.2$:t Detai 1- Rule 5 <br /> <br />I_I Approximate - Rule 6 <br /> <br />L-- 10-year <br />I...- 50-year <br />i...-- 100-'year <br />L---500-year (not required) <br /> <br />1. F'reauency includes: <br /> <br />2. Methodology used: <br /> <br />years of record aVili~b~ red' <br />See {>tl-{!., ~ /(p 011 "U <br />gage years <br />g&ge years <br />gage years <br />Streamflow records over 50 years etc. <br />~ Streamflow records 25 to 50 years etc. <br />Streamflow records 16 to 24 ye&rs etc. <br />Streamflow record s les s than 10 years etc. <br />regional skew ~I,O <br />...........- mixed population <br />combined rain and snow <br />historic flood of <br />comparison with similar watershed(s) <br />'I.--- synthetic analysis using rainfall Olnoff <br />model- /Vo S.J, V.......""- (v-eef'-. <br />precipitation records <br /> <br />R€-rd.f <br /> <br />. <br /> <br />a. <br />b. <br />c. <br />d. <br /> <br />3. Drainage Oasin <br />Condi tions: <br />.-, <br /> <br />conditions in 12 months <br />future urb&niz&tion likely <br />~ foreseeable development <br /> <br />)J, Pr complete wi thin 12 months <br />adequate progress <br /> <br />4. Work in Progress: <br /> <br />5. Detention Char'acters: <br /> <br />i..- <br /> <br />government body owned with a executed R {( <br />legal agre.,ment (in compliance)- 'f3vffo" o!5a~ <br />,;:.rivate ly owneGi ,'with no-wri ttel'l-"leg&J..-------w.. <br />agreement (not in compli&nce) <br /> <br />-,..,..~>, ;.", .,-_:_:.~. ~, ~---,.,..-._--. ,.. ,~---~-~_., <br /> <br />. <br /> <br />-7- <br />
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