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is returned to the river by underground percolation which due to a time delayed effect causes the majority of this water to show up in the river during the summer time. This is the time when the LPBCC has depletions that need to be offset with additional augmentation water. The development of recharge ponds also provides habitat for migratory waterfowl. The cost of this alternative is $345,000. The Seleeted Project The LPBCC plans to construct alternative #3. Features of this alternative are as follows: One recharge well (3000 GPM) will be constructed within 100 feet of the South Platte River. Water will be pumped into a recharge pond (Snyder Site). Buried pipeline will be used to connect the recharge well and the recharge pond. There will be 4500 f~et of 21" pipe and 2000 feet of 18" pipe. Two parcels of land will be purchased for the construction of recharge ponds. One site will be 7 acres (Snyder Site) and the other site will be 25 acres. Three recharge ponds will have concrete ditch turnouts and measuring weirs constructed. 24 recharge ponds will have pre-manufactured parshall flumes installed for measuring water. ~ 24 recorders will be required to complete the above- described parshall flumes. The LPBCC will acquire new well permits on 24 different agricultural wells so that the wells may also be used for augmentation purposes. A map showing the general locations of the recharge well, pipeline and recharge pond (Snyder Site) is found in Appendix A. A list and map showing the general locations of the 24 ponds requiring parshall flumes is found in Appendix B. A list and map showing the general locations of the 24 wells requiring new well permits is found in Appendix C. Feasibility Study Lower Platte and Beaver Augmentation Project January 2004 5