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II~ <::> o The Priority Three deliveries were assigned any delivery capacity not used by Priori ty One and Priority Two uses in any given year. Since Priority One deliveries often filled much of the delivery capacity in above average runoff years, the Priority Three water availability occurred principally in average or belOW average (dry) hydrologic years when large Priority One deliveries did not occur. Types of Storable FlOW Four types of storable flow were investigated at each potential reservoir site as discussed below. Closed Basin Projeet Priority Three Excbange Flows are the portion of the Priority Three deliveries from the Closed Basin Project which can be exchanged upstream of Del Norte to a new reservoir site. Storable Flood Flows are flOWS that are excess to Compact obligations, to downstream irrigation water use, and to an instream flow requirement at a potential reservoir site. Caution was exercised in the definition of storable flood flows since water surplus to the needs of the system in one month could accrue as a Compact credit and be used in subsequent months to offset Compact curtailment and, therefore, not be truly surplus. These flOWS are not intended for use in determinations of flood storage in a potential reservoir. Storable Debit Flows are that part of COlorado's Compact obligation which could be captured and held at a potential reservoir site and which would revert to COlorado's ownership with a spill of water at Rio Grande Project Storage in New Mexico. Storable Seasonal Flows are flows which exceed theoretical downstream diversion demands and which COUld be stored at a potential reservoir site instead of being diverted by existing direct flow diversion structures downstream. This water WOUld then be released during a later time in the vii