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C150301approval ltr
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C150301approval ltr
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Last modified
1/22/2015 9:57:47 AM
Creation date
12/23/2009 12:03:15 PM
Metadata
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Template:
Loan Projects
Contract/PO #
CT2015-050
C150301
Contractor Name
Riverside Ditch and Allen Extension Company, The
Contract Type
Loan
Water District
11
County
Chaffee
Loan Projects - Doc Type
Approval Letter
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Riverside Canal and Allen Extensioi� Company <br />November 10, 2009 {UPDATED November 18, 2009) <br />Page 3 of 5 <br />Water Rights <br />Agenda item 26b <br />Direct flow water rights controlled by the Company were appropriated in 1872 through 1888 as <br />shown in Table 1. On average, the Company diverts 3, 250 acre-feet (AF) of water annually. <br />TABLE 1 <br />WATER RIGHTS <br />Adjudication Date Appropriation Date Amount (cfs) � Use <br />January 1, 1904 November 11, 1872 3.0 � Irrigation <br />June 19, 1890 February 22, 1882 0.95 j Irrigation <br />June 19, 1890 August 9, 1883 9.00 � Irrigation <br />June 19, 1890 July 6, 1888 16.00 Irrigation <br />Project Description <br />The Company evaluated its canal system with the help of its engineer and found the no-action <br />alternative of not repairing/improving the system unacceptable. Other than two new siphons that <br />were financed by the CWCB in 2002, the system has not had significant upgrades since the canal <br />was constructed nearly 125 years ago. In order to best manage and deliver its water, the Company <br />is planning on the following phased improvements: <br />• Phase 1: Repair the river diversion dike, repair the ditch where there are seepage problems, install <br />and/or replace headgates and flumes, and begin phreatophyte removal. <br />• Phase 2: Add a trash rack to the siphon, install and/or replace additional headgates and flumes that <br />were not completed in phase 1, install supervisory control and data acquisition (SCADA) <br />monitonng equipment. <br />• Phase 3: I�lstall additional SCADA monitoring equipment. <br />Table 2 shows the estimated costs of all of the prioritized capital improvements that have been <br />identified for each phase this Project. All of these improvements are expected to be completed <br />between the winter of 2009 and the spring of 2012. <br />
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