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Last modified
8/11/2009 11:42:34 AM
Creation date
9/30/2006 10:18:44 PM
Metadata
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Template:
Publications
Year
1986
Title
St. Vrain Basin Reconnaissance Study
CWCB Section
Administration
Author
Colorado Water Resources and Power Development Authority
Description
Extensive study for future study and development toward meeting the water-related needs of residents with the St. Vrain Basin
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 />1-5 <br /> <br />The Siting Area is that area in which faci lities such as new reser- <br />voirs may be sited and the rehabilitation, expansion, or change in use of <br />existing reservoirs may be accomplished to serve the needs of the Study Area. <br /> <br />The physical boundaries of the Siting Area are defined as the area <br />inclusive of the St. Vrain Basin, the Little Thompson River Basin and Carter <br />Lake to the north, the Boulder Creek Basin on the south, the Continental <br />Divide on the west, and the South Platte River on the east. <br /> <br />E. Study Process <br /> <br />As previously indicated, the St. Vrain Study was intended initially <br />to be a three-step process beginning with the Basin description and identi- <br />fication of water-related needs in Step 1, the formulation and preliminary <br />evaluation of alternatives (primari Iy structural) in Step 2, and a reconnais- <br />sance-level evaluation of several selected alternatives in Step 3. Emphasis <br />was to be placed on identification, evaluation, and selection of sites for <br />water resources development, primari Iy storage. However, within three months <br />following initiation of of Step 1 work, it was evident that the Study requi red <br />a broader analysis to incorporate consideration of a spectrum of water manage- <br />ment purposes, and with much greater emphasis on non-structural measures and <br />more thorough evaluation of social and environmental effects of alternative <br />water resource management plans. Therefore, the range of identified manage- <br />ment measures was expanded to meet those purposes and, subsequent Iy, Step 2 <br />activities were redefined and Step 3 of the original Plan of Study was el im- <br />inated. <br /> <br />I n conduct i ng Step 1 and Step 2 stud i es, spec if i c tasks were com- <br />pleted as defined in the Plan of Study. Each of these specific tasks along <br />with their respective purposes is summarized in Table 1-1. The fol lowing dis- <br />cussion summarizes the scope of the major tasks and results of Step 1 and <br />Step 2. <br /> <br />Step 1 - Identification of St. Vrain Basin Characteristics and Needs <br /> <br /> <br />As indicated in Table 1-1, six speci fic tasks were completed for <br /> <br />Step 1. <br /> <br />Step 1, .complete.d in August 1984, includes: (1) an inventory of <br />the physical, SOCioeconomiC, environmental, hydrologic, and institutional <br />characteristics of the Basin; (2) water and power demand projections through <br />the year 2020; and (3) prel iminary identification of the water management pur- <br />poses to be addressed by the Study. <br /> <br />Several water management purposes were identified in Step 1. These <br />range from regulation of trans-Basin diversions and irrigation suppl ies to <br />enhancement of fish and wi Idlife and protection and improvement of water qual- <br />ity, and include flood damage reduction, hydroelectric power generation, and <br />municipal/industrial water supply. <br />
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