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<br />[IDoom~u <br /> <br />30t:'~ <br /> <br />National Park Service computed annual benefits from expected recreation. <br />visitation at the Narrows Unit and reported those benefits in a memoran- <br /> <br />dum dated February 17, 1976. <br /> <br />Table 1 reflects a 25,000 acre-foot yield available annually for <br /> <br />beneficial use by M&I entities. Benefits are based on $200 per acre- <br /> <br />foot, which approximates the current willingness to pay for existing <br /> <br />highly reliable water supplies in the South Platte River valley. <br /> <br />Table 1.--Narrows Unit benefit-cost analysis <br /> <br />Item <br /> <br />($1,000) <br />As authorized Wlthout flood control <br /> <br />Project costs <br />less preauthorization investigations <br />less highway improvement (includes <br />IDC) <br />Interest during construction <br /> <br />Net project investment <br /> <br />Annual costs <br />Equivalent of investment <br />Annual OM&R <br /> <br />Total annual costs <br /> <br />Annual benefits <br />Irrigati on <br />di ree t <br />indirect and public <br />OM&R.savings <br />Flood con tro 1 <br />Fish and wildlife enhancement <br />Recrea ti on <br />Municipal and industrial water <br /> <br />Total annual benefits <br /> <br />Benefit-cost ratios <br />Total benefits <br />Direct benefits only <br /> <br />$ 300,174 <br />- 1,716 <br /> <br />$ 262,674 <br />- 1,716 <br />- 9,817 <br />31,106 <br />$ 282,247 <br /> <br />- 9,817 <br />35,741 <br />$ 324,382 <br /> <br />$ 10,991 $ 9,564 <br /> 1,403 1,403 <br />$ 12,394 $ 10,967 <br />$ 6,732 $ 6,732 <br /> (5,134 ) (5,134) <br /> (1,562) (1,562) <br /> (36) (36) <br /> 836- <br /> 916 916 <br /> 2,144 2,144 <br /> 5,000 5,000 <br />$ 15,628 $ 14,792 <br /> <br />1.26 <br />1.13 <br /> <br />1.35 <br />1.21 <br /> <br />8 <br />