PROJ02016

• Contract/PO #: FS0070FX
• Contractor Name: Union Ditch Company, The
• Contract Type: Grant
• Water District: 0
• Loan Projects - Doc Type: Feasibility Study

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Upon completion and approval of construction, the ditch company would assume the
ownership, operation, and maintenance of all secondary supply systems, from the water
source through to the point-of-connection at each home. For secondary supply service,
the ditch company would charge a fee to each end user, or point-of-connection. The
water rate structure will be determined by the company prior to final design of the
transmission system.

A legal service agreement should be developed by the ditch company for acceptance by
each development in order to bind the two parties to the intended responsibilities. The
service agreement will include the means by which developments may be reimbursed for
system over-sizing expenses as new developments occur in the system.

Short-term Canal Modernization OQllortunities

As defined in this study, canal modernization is a physical or operational change to an
irrigation system which improves performance and use of water. The previous
discussion on secondary supply systems is one form of canal modernization, which
should be considered in the long-term as the area around the Union Ditch urbanizes.
Any efforts in the short-term to modernize canal infrastructure and operation will aid in
the development of a future secondary supply system. Opportunities for canal
modernization discussed in this section include:

· Improvements to Control, Regulation, and Measurement
· Improvement to Canal Conveyance
· SCADA and Canal Automation
· Off-Ditch Storage for Re-Regulation or Late Season Supply

Figure 5 is a general schematic that shows the wide range of canal modernization
options available for canal companies.

Aqua Engineering, Inc.
November 17, 2004

Canal Modernization Study
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