PROJ00486

• Contract/PO #: C153502
• Contractor Name: Santa Maria Reservoir Company
• Contract Type: Loan
• Water District: 0
• County: Hinsdale
• Bill Number: SB 88-30
• Loan Projects - Doc Type: Feasibility Study

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IV. WATER SUPPL Y & REQUIREt4ENTS.............................. .IV~I

A. Water Demands................o...................... . IV...1

1. Development of Water Requirements.............. .IV~I

2. Water Losses............... ................ .... . IV...2
3. Diversion Requirements..........................IV.3

B. Surface Water Supply.................................IV~4
I. Monthly Streamflow Records......................IV.4
2. Water Use......... ............ .......0...0..... .1 v.... a

C. Water Ri ghts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I V...8
I. Water Rights Effects on Availability............IV.8
2. Water Rights Effects on Probable Yield..........IV.IO
3. Out~of~Priority Storage...................... ...IV~l1

D. Operation of the Water Storage and Supply

System............................................. ..IV~12
1. "MODSIW Computer Model........................ .IV~13
2. Operation Studies...............................IV~14
3. Model Resul ts.................................. .IV~17

E. Water Quality........................................IV...19
1. Chemical and Physical Parameters.............. ..IV~I9
2. Effect on Crop Producti on. ........ .............. IV~20

V. PLAN OF DEVELOPMENT....................................... V~I

A. Project Descri pti on............... ................... V-I

B. Geotechnical and Geophysical Investigations..........V-2
I. Method of Investigation.........................V~2
2. Results of Investigations. ......................V~6
3. Evaluation and Interpretation.. ................V-IO

C. Seepage Mitigation Design Criteria...................V~12
I. Evaluation Criteria.............................V~12
2. Alternative Solutions...........................V~12