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PROJ00456
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Last modified
11/19/2009 11:43:26 AM
Creation date
10/5/2006 11:56:10 PM
Metadata
Fields
Template:
Loan Projects
Contract/PO #
FS0003X
Contractor Name
Clear Creek Project CWRPDA
Contract Type
Loan
Water District
0
County
Clear Creek
Loan Projects - Doc Type
Feasibility Study
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<br />2.0 PROJECT WATER SUPPLY <br /> <br />2.1 INTRODUCTION <br />The Clear Creek Project (project) was conceived to increase the municipal <br />and i ndustri a 1 water supply for the northern Denver metropolitan area. The <br />primary component of the project would be a large dam and reservoir in the Clear <br />Creek Canyon at a site yet to be selected. <br /> <br />...:. <br /> <br />The project water supplies include the flows at the damsite which exceed <br />the downstream diversion capacity or demand (flood waters), as well as the <br />existing flow diversions from Clear Creek, whose yield could be enhanced through <br />project storage (regulated flow). The regulated flow component of the project <br />depends on the level of project participation by Clear Creek water users. This <br />study has been focused on two levels of participation. The first level would <br />be composed of the selected ent it i es that compri se the A 11 i ance. The second <br />level of project participation would be composed of all Clear Creek Basin water <br />users. Seven project water supply scenarios (listed in Table 2.1) were <br />formulated based on these two levels of project participation. This chapter <br />discusses estimation of the project water supplies and the determination of the' <br />relationships between firm yield and required storage' for each of the seven <br />supply scenarios. <br /> <br />-: <br /> <br />"""' <br /> <br />2,2 FIRM YIELD ANALYSIS <br />Project firm yield is defined as the maximum annual supply that can be <br />delivered to a Clear Creek demand each year of the period from 1947 through <br />1974. This period of record was the base period used in the Metropolitan Denver <br />Water Supply SystemWide Environmental Impact Statement. The estimated maximum <br />project firm yield and the required project storage for each of the seven <br />scenarios are shown on Table 2.2. The maximum project firm yields ranged from <br />approximately 6000 af for the All iance Transfer project scenario to approximately <br />60,000 af with full basin management and South Platte River Exchange. The <br />project firm yields versus project storage relationships are shown in Figure 2.1. <br />With the exception of the Alliance Decree scenario, implementation of the <br />scenarios will require institutional changes and water court decrees. The South <br />Platte River Exchange, and combinations using it, will require acquisition of <br />additional South Platte water sources. <br /> <br />,.-. <br /> <br />2-1 <br />
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