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WSP05532
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Last modified
1/26/2010 2:18:46 PM
Creation date
10/12/2006 1:05:44 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8141.600.20
Description
Fryingpan-Arkansas Project - Studies - Environmental Studies
State
CO
Basin
Arkansas
Water Division
2
Date
4/16/1975
Author
US DoI BoR
Title
Final Environmental Impact Statement Volume 1 of 2
Water Supply Pro - Doc Type
EIS
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<br />4010 <br /> <br />. <br /> <br />The total storage capacity of the six project dams and reservoirs is <br />748,581 acre-feet. Summarized statistics of Project storage dams <br />and reservoirs are shown on Table II-I. <br /> <br />There are 18 diversion dams and diversion structures on the Fryingpan- <br />Arkansas Project, 16 on the West Slope and two on the East Slope. Of <br />the 16 diversion structures on the western slope, six diversions are <br />on the South Side Collection System, nine diversions are on the <br />North Side Collection System, and the Fryingpan Diversion Dam is <br />located on the main stem of the Fryingpan River. <br /> <br />The two diversion structures located on the East Slope of the <br />Continental Divide are Halfmoon Diversion Dam on Halfmoon Creek <br />south of Leadville, Colorado, and the Fountain Valley Diversion <br />Structure on the Arkansas River just below Canon City, Colorado. <br />Diversion dam capacities and minimum bypass requirements are shown <br />on Table 1I-2. <br /> <br />The Fryingpan-Arkansas Project will require construction of the Otero <br />Canal, which is 5.5 miles long, including 5.0 miles of open canal, <br />0.2 mile of buried conduit, and 0.3 mile of tunnel. It will transport <br />water from Twin Lakes Reservoir to the Otero Powerplant. <br /> <br />A total of 10 tunnels having s combined length of 27.2 miles are <br />included in the project plan. These tunnels are listed in Table 1I-3. <br />The three tunnels on the South Side Collection. System extend west to <br />southwest of the upper reach of the Fryingpan River toward Aspen, <br />Colorado. There are. five tunnels on the North Side Collection System. <br />Four of these tunnels extend generally north along the West Slope of <br />the Continental Divide from the upper reach of the Fryingpan River. <br />The fifth, Granite Adit, is a short section of tunnel connecting <br />Granite Siphon to Nast Tunnel. <br /> <br />. <br /> <br />The Charles H. Boustead Tunnel runs through the Continental Divide <br />from the upper Fryingpan River into Turquoise Lake. <br /> <br />The Otero Tunnel is on the Otero Canal alinement between Twin Lakes <br />Dam and the Otero Powerplant on the north shore of Clear Creek <br />Reservoir. <br /> <br />For this statement, all buried pipe and box sections constructed by <br />cut and backfill methods are considered under the general category <br />of conduits and includes feeder conduits, siphons, and municipal and <br />industrial water conduits, having a combined length of 281.5 miles. <br />Most of these conduits are short and consist primarily of stream <br />crossings and feeders from diversion structures to the collection <br />systems. The Mt. Elbert Conduit is the longest conduit in the con- <br />veyance system (10.6 miles) and consists of a series of free flow <br />and pressure pipe (siphon) sections. It connects Turquoise Lake and <br />the Mt. Elbert Forebay. <br /> <br />. <br /> <br />II-I, <br />
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