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Last modified
5/14/2010 8:58:16 AM
Creation date
9/30/2006 10:06:37 PM
Metadata
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Publications
Year
1990
Title
Final Report Rio Grande Water Supply Study, Phase 1
CWCB Section
Interstate & Federal
Author
San Luis Valley Water Conservancy District
Description
Reconnaissance level determination of the physically and legally available flow at 4 reservoir sites in the Rio Grande Basin upstream of Del Norte, Colorado
Publications - Doc Type
Brochure
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />The Priority Three deliveries were assigned any delivery capacity not used by <br /> <br />Priority One and Priority Two uses in any given year. Since Priority One <br /> <br />deliveries often filled much of the delivery capacity in above average runoff <br /> <br /> <br />years, the Priority Three water availability occurred principally in average or <br /> <br />below average (dry) hydrologic years when large Priority One deliveries did not <br /> <br />occur. <br /> <br />Types of Storable Flow <br /> <br />Four types of storable flow were investigated at each potential reservoir site <br />as discussed below. <br /> <br />Closed Basin Projett Priority Three Exchange Flows are the port ion of the <br /> <br /> <br />Priority Three deliveries from the Closed Basin Project which can be <br /> <br /> <br />exchanged upstream of Del Norte to a new reservoir site. <br /> <br />Storable Flood Flows are flows that are excess to Compact obligations, to <br /> <br /> <br />downstream irrigation water use, and to an instream flow requirement at <br /> <br />a potential reservoir site. Caution was exercised in the definition of <br /> <br /> <br />storable flood flows since water surplus to the needs of the system in <br /> <br /> <br />one month could accrue as a Compact credit and be used in subsequent months <br /> <br /> <br />to offset Compact curtailment and, therefore, not be truly surplus. These <br /> <br /> <br />flows are not intended for use in determinations of flood storage in a <br /> <br /> <br />potential reservoir. <br /> <br />Storable Debit Flows are that part of Colorado's Compact obligation which <br /> <br /> <br />could be captured and held at a potential reservoir site and which would <br /> <br /> <br />revert to Colorado's ownership with a spill of water at Rio Grande Project <br /> <br />Storage in New Mexico. <br /> <br />Storahle Seasonal Flows are flows which exceed theoretical downstream <br /> <br /> <br />diversion demands and which could be stored at a potential reservoir site <br /> <br /> <br />instead of being diverted by existing direct flow diversion structures <br /> <br />downstream. This water would then be released during a later time in the <br /> <br />vii <br />
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