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"odw Itte River Recovery Implementation Project <br />Platte <br />Field Investigation Checklist <br />Visit Attendees <br />Jerry Kenny, Cory Steinke, Justin Brei, Blaine Dwyer, Jeff <br />Bandy, Jenn Chipman <br />Date of Visit <br />. ....... . ..... . ........... . ...... . ............. ..................... . <br />9/3109 <br />Day 2, 4" Site <br />-Plum <br />Site Naiiie­---- <br />Creek <br />Location <br />On Plum Creek, southeast of J-2 Powerplant <br />Estimated Capacity <br />100,000 acre-feet (large option) <br />30,000 acre-feet (small. option) <br />. .. ........ . . . . . . .................... <br />Conveyance In (supply) <br />. . ...... ...... ... ......... . .......... <br />J-2 Forebay (Philips Lake) <br />Conveyance Out (return) <br />Plum Creek <br />Dam Type <br />I-- .. ............ <br />Embankment (with Zone I material and chimney drain) <br />. ....... . .. .......... . . ....... . . . ............... ......... .. <br />Dam Height <br />128 feet (at storage capacity of 258,200 AF, USBR) <br />Crest Length <br />13,150 feet (at storage capacity of 258,200 AF, USBR) <br />Estimated NWSEI., <br />2,503 feet (at storage capacity of 258,200 AF, USBR) <br />ener Project <br />General tion: <br />Located on Plum Creek near the town of Smithfield, downstream of <br />Johnson Reservoir, Two capacities for the Plum Creek Reservoir <br />were evaluated in this screening. A 30,000 AF (4a) and a larger <br />252,000 AF (4b) reservoir. The large reservoir was previously <br />evaluated by the Bureau of Reclamation. It was removed from <br />consideration in the Water Conservation / Supply Reconnaissance <br />Stucly (WCSRS) (due the high cost of the dam and spillway necessary <br />to pass the PMF. A smaller reservoir was considered in the WCSRS <br />with provisions to accommodate the 100-year and Probable <br />..... . ..... <br />Maximum Floods, <br />