BOARD00179 ‎(2)‎

• Board Meeting Date: 5/23/2007
• Description: Director's Report - CWCB Director's Report
• Board Meetings - Doc Type: Memo

The East Mancos Highline Ditch Company is c.omprised of 6 members that manage 5.75
miles of open ditch, with an annual diversion 6f approximately 870 cfs and a 700 acre
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service area. This project involves piping the 5.75 miles of ditch with lO-inch to 15-inch
PVC Pipe to create a pressurized system for th~ users. The project is a joint effort with
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NRCS's Salinity Control Program. NRCS is c9ntributing 75% of the cost towards the
design and construction of the project. Construction has commenced with project
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completion anticipated in November of 2007. [The project is approximately 25%
complete I

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1. Silt Water Conservancy District - p'ump Plant Rehabilitation
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The Silt Water Conservancy District operates a pump plant on the Colorado River to
deliver water to its Pump Canal, which serves ~gricultural users on the lower reaches of
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Silt Mesa. The pump plant was built in the 19~O's and is located 2 miles east of the
Town of Silt. The current pumping plant has a tapacity of 36 cfs and delivers 4,000 acre-
feet per year. Excel Energy must replace the e~isting pump plant transformer due toan
upgrade of transmission line. Western Area POwer Administration will design the
project in 2003. The total project cost is anticip~ted at $550,000. Excel Energy has
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indicated to Silt that the need for the new transfprmer will not be required until 2007.
Loan contract will be modified to accommodate' the time extension.
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Terms of Loan: $904,0000 2.5% for 30 yrs.

Projects under Design

Authorization: Construction Fund
Water Source: Colorado River
Terms of Loan: $486,000 @2.75% for 30-years

Project Type: Ditch Rehabilitation

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County: Garfield
Project Yield: 4,000 acre-feet
Project Type: n/a

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2. Supply Irrigation Ditch Company - Knoth Reservoir Dam Rehabilitation
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The Supply Irrigation Ditch Company is proposing to rehabilitate the Knoth Reservoir
for use as an equalizer, and for storage under a ~onditional decree for 542 acre-feet. The
average annual volume diverted now is 9,500 acre-feet, which will be increased to 10,040
acre-feet with the project improvements in placet The planned improvements include,
reshaping the upstream face of the dams and th~ placement of clay, installation of a toe

Authorization: Construction Fund
Water Source: St. Vrain Creek
Terms of Loan: $1,700,000 @3.50% for 30-years

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County: Boulder - N.E. of Lyons
Project Yield: 9,500 acre-feet
Project Type: Dam Rehabilitation

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