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WSP08920
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Last modified
1/26/2010 2:50:11 PM
Creation date
10/12/2006 3:21:23 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8449.900
Description
Bear Creek
State
CO
Basin
South Platte
Date
4/26/1990
Author
CWCB
Title
Bear Creek Operations Study - Scope of Study
Water Supply Pro - Doc Type
Report/Study
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<br />Table 6 - Storage Accounts Summary <br /> <br />Table 6 summarizes the total contents of the storage <br />accounts. <br /> <br />Table 7 - Permanent Pool Summary <br /> <br />Table 7 monitors the condition of the permanent pool to <br />assure that it is properly maintained. <br /> <br />Operational Criteria <br /> <br />The objective of the operating plan is to maintain the <br />permanent pool at or above 1522 a.f. in Scenario A and B or at <br />1927 a.f. in Scenario C and D. Releases to the river and <br />evaporation obligations by the entities will be made up of <br />either river inflows and/or releases from their storage. Any <br />deficits accumulated by an entity in covering its share of <br />evaporation losses to the permanent pool will be covered by the <br />first available inflow accruing to that entity. The maximum <br />content of each storage account is the space requested by each <br />entity. The maximum content of the state account will be <br />developed based on an analysis of the study results. <br /> <br />In the first set of runs, when an entity's storage account <br />is full, additional inflows can not be stored and will be <br />released to the river. Should a second set of runs be made, <br />water otherwise forced from an entity's account could be <br />"booked over" into any account with available space. <br /> <br />The State is the owner of junior storage rights and such <br />rights are described in the decrees for Case Nos. 84CWl15, <br />84CW167, and 84CW168. In addition to these storage rights, the <br />State's contribution of water will include that produced from <br />its Simonton Ditch water right. When the junior storage water <br />rights or Simonton Ditch rights are in priority, they shall <br />first be used to makeup the State's evaporation losses on the <br />permanent pool. and then as stipulated to in the above cases. <br />Municipal entities will be responsible for their remaining pro <br />rata share of permanent pool evaporation losses upto the <br />specified 50 percent regardless of whether such entities are <br />storing in their accounts or not. Each entity will remain <br />solely responsible for evaporation losses assessed on its own <br />storage account. <br /> <br />Example Operations Study <br /> <br />To illustrate the operations study procedures described <br />herein, the Colorado Water Conservation Board staff has taken <br />the estimated storable inflows and releases to the river from a <br />first draft of a Bear Creek Reservoir Operations Study prepared <br />by WWE in 1979 and has conducted an operations study for W.Y. <br />1954. This study is attached as Appendix A and will serve as a <br />guide as to how the consultant is to conduct the current study. <br /> <br />-10- <br />
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