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<br />
<br />SUMMARY SHEETS (Continued)
<br />
<br />ECONOMIC ANALYSIS (100-year period with 3.25 percent interest rate)
<br />
<br />Average annual benefits
<br />Power
<br />Irrigation
<br />Municipal and industrial water
<br />Fish and wildlife
<br />Recreation
<br />Flood control
<br />Area redevelopment
<br />Total
<br />Negative externalities from
<br />increase in salt load
<br />Average annual equivalent cost
<br />Current benefit-cost ratios
<br />With negative externalities
<br />from increase in salt load
<br />Total benefits
<br />Direct benefits
<br />Without negative external-
<br />ities
<br />Total benefits
<br />Direct benefits
<br />Benefit-cost ratios at-time
<br />of authorization (1968)!1
<br />Total benefits
<br />Direct benefits
<br />11 Based on October 1967 prices.
<br />
<br />COST EFFECTIVENESS OF SALINITY
<br />
<br /> Less
<br /> losses
<br /> from Total
<br />Total rights- adjusted
<br />benefits of -way benefits
<br />$2,071,000 $1,000 $2,070,000
<br />9,531,000 57,000 9,474,000
<br />1,967,000 1,000 1,966,000
<br />1,910,000 1,000 1,909,000
<br />1,573,000 1,000 1,572,000
<br />107,000 107,000
<br />227,000 227,000
<br />17 ,386,000 61,000 17,325,000
<br /> 1,044,000
<br /> 17,777,000
<br />
<br />,92:1
<br />.84: 1
<br />
<br />.97:1
<br />,90: 1
<br />
<br />1.67:1
<br />.91:1
<br />
<br />$23,168,000
<br />2,683,000
<br />-2,922,000
<br />22,929,000
<br />
<br />Construction
<br />Interest during construction at 8.375 percent
<br />Less preauthorization
<br />Total capital
<br />Average annual equivalent cost for
<br />50 years at 8.375 percent 1,955,000
<br />Annual operation, maintenance, and replacement 60,600
<br />Monitoringll 9,800
<br />Total annual cost 2,025,400
<br />Annual tons removed 24,500
<br />Annual cost per ton (rounded) $83,00
<br />11 The annual present worth of the monitoring cost of $17,400 for
<br />10 years was converted to an annual equivalent for 50 years at 8.375
<br />percent.
<br />
<br />S-8
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