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WSP05512
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Last modified
1/26/2010 2:18:41 PM
Creation date
10/12/2006 1:05:14 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8200.750
Description
San Juan River General
State
CO
Basin
San Juan/Dolores
Water Division
7
Date
6/1/1987
Author
Wheeler and Assoc
Title
Documentation for Florida River Hydrology Analysis - Historic and Virgin Flow Conditions - June 1987
Water Supply Pro - Doc Type
Report/Study
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<br />. <br /> <br />0007[-;6 <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />FIDrida River near HermDsa gage were utilized. A small adjustment <br /> <br /> <br />in the flDW estimates for this period was made tD take intD aCCDunt <br /> <br /> <br />the difference in drainage basin area between the HermDsa gage <br /> <br /> <br />and LemDn ReservDir Darn. <br /> <br />3. <br /> <br />ND gage records Df any kind were available Dn the FIDrida River <br /> <br /> <br />during OctDber thrDugh December 1963. The average mDnthly flDWS <br /> <br /> <br />fDr the Florida River near Durango gage were used fDr this periDd. <br /> <br /> <br />The assumed flDWS were 1,300, 1,100, and 430 acre-feet for OctDber <br /> <br /> <br />t~Dugh December, respectively. <br /> <br />4. <br /> <br />RecDrded reservDir releases were used fDr the periDd Df 1964 thrDugh <br /> <br /> <br />1980. Large discrepancies were apparent in SDme mDnths between <br /> <br /> <br />the recDrded reservDir releases and the gage records fDr the site <br /> <br /> <br />located dDwnstream of the FlDrida Farmers Ditch. When such discrep- <br /> <br /> <br />ancies occurred, cOlTections were made in the Lemon Reservoir <br /> <br /> <br />release records fDr tWD reaSDns. First, the Lemon ReservDir release <br /> <br /> <br />recDrds were nDt compil",d and checked by the USGS, Sol the accuracy <br /> <br /> <br />Df these records is unknown. SecDnd, since the gaging statiDn IDcated <br /> <br /> <br />below the FIDrida Farmers Ditch is IDcated at a site that is relatively <br /> <br /> <br />near the SDuthern Ute ReservatiDn lands, it was cDnsidered tD be <br /> <br /> <br />mDre accurate to make full use Df the recDrds fDr this gaging statiDn. <br /> <br /> <br />An average annual cDlTection of 300 acre-feet or 0.4 percent was <br /> <br /> <br />made in the Lemon ReservDir release records, but large CDlTectiDns <br /> <br /> <br />were made in individual months as necessary to eliminate apparent <br /> <br /> <br />discrepancies. <br /> <br />. <br /> <br />A summary Df the estimated histDric flDWS fDr the FIDrida River belDw LemDn <br />Reservoir is presented in Table 6. <br /> <br />Florida River Historic Flow Estimate <br />Gage recDrds fDr the Florida Farmers Ditch gaging statiDn and the BDndad <br />gaging statiDn are available during intermittent pDrtiDns Df the study periDd, <br /> <br />. <br /> <br />. <br /> <br />-17- <br /> <br />,;:.. <br />
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