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<br />"'<:tit <br />p~" <br />V) <br />~ <br /> <br />'. ' <br /> <br />::.::,; <br /> <br />DESCRIPTION <br /> <br />CONSTRUCT <br />STAGE 1-2 <br /> <br />CONSTRUCT <br />STAGE 1-2 and 3 <br /> <br />Annual benefits <br />Jan. 1979 prices <br /> <br />.:z <br /> <br />$770,000 <br /> <br />$2,202,000 <br /> <br />Cost per acre-foot <br />Jan 1979 prices <br /> <br />$ 80.00 to $ 45.22 <br /> <br />$ 63.37 to t 41.85 <br /> <br />Mitigation <br /> <br />1. No canal water <br />to refuges <br />2. No Russel Lakes <br />land purchased <br /> <br />1. No canal water <br />to refuges <br />2. Initiate Russel <br />Lakes land purchase <br /> <br />Recreation <br /> <br />No development at <br />San Luis Lakes <br /> <br />Develop San Luis <br />Lakes area <br /> <br />Salvaged water that can <br />be used in the Rio Grande <br />. system (acre-feet/yr.) <br /> <br />14,000 to 16,000 <br /> <br />46,500 to 51,000 <br /> <br />Some of our concerns in delaying Stage 3 construction start areas follows: <br /> <br />1. Futttre funding may not be aasured. <br />2. Poor Cost Benefit Ratio <br />3. Increase in cost due to lengthening construction period. <br />4. With no mitigation. project could lose support from other Federal and State <br />agencies. <br />5. Fiscal year budgets for 1984 will be prepared in January and February of calendar <br />1983. <br /> <br />We believe we have complied with all legislation that is necessary for request- <br />ing consent for the start of Stage 3 construction from the Rio Grande Water Con- <br />servation District and the State of Colorado Water Conservation Board. <br /> <br />If we can be of further assistance do not hesitate to contact us. <br /> <br />'~~~~ <br /> <br />Lindell H. Elfrink <br />Project Construction Engineer <br /> <br />Enclosures <br /> <br />1. Control Schedule <br />2. Typical Well field Cross-section (1298-538-401) <br />3. Stages 1-2 and 3 Well Field Layout <br />4. Unconfined Aquifer Groundwater Depths <br />(1298-538-400) <br />