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<br />'. <br /> <br />rights and up to 240 cfs during the flushing exercise. Gate changes were made between <br />August 1,1991 and July 31, 1992. The sediment flushing releases were made May 19 & 20, <br />1992 to remove sediments inside of the intake and conduit. This exercise will be completed <br />annually. <br /> <br />(d) Bowman-Haley, North Dakota. A new record low pool was established. <br />No releases were made from the project. <br /> <br />(e) Pipestem, North Dakota. Pipestem pool was drawn down two feet in May <br />to allow maintenance on the gates. Concurrently with the drawndown, the USBR diverted <br />the water released from Pipestem into their Oaks Test Irrigation Area. This drawndown <br />and diversion were criticized by the U.S. Fish and Wildlife Service (FWS) as possibly <br />hannful to their Sand Lake National Wildlife Refuge. A number of meetings were held in <br />Bismarck, ND between the COIpS, USBR, and FWS to discuss the drawdown and to review <br />the operation of Pipestem and Jamestown Reservoirs as it affects FWS's refuges. Water <br />Control Section has initiated an update of the design hydrology of Pipestem and the <br />development of a real-time water control model for Pipestem and Jamestown Reservoirs. <br />It is hoped that through this process, impacts to refuges can be lessened during flood events. <br /> <br />(0 Papillion Creek Basin, Nebraska. Due to drought conditions, no low level <br />releases were accomplished this year. No other gated releases were made during the report ( <br />period. <br /> <br />(g) Salt Creek Basin, Nebraska. No special operations were requested or <br />necessary at the Salt Creek projects during the report period. <br /> <br />Releases were required from Salt Creek #18 to meet downstream senior water rights <br />on August 4 through September 11, 1991 and July 1 through July 7, 1992. <br /> <br />(2) Bureau of Reclamation Dams. Reservoir operations at the eleven Bureau of <br />Reclamation projects in the Omaha District were carried out in accordance with normal regulation <br />procedures during the period covered by this report. <br /> <br />The only Section 7 project that stored water in the flood control zone was Yellowtail <br />Dam. These were relatively minor encroachments that occurred in September 1991 and July 1992. <br /> <br />b. Proposed Operations. <br /> <br />(1) Corps of Engineers. With the exception of Bear Creek, Cheery Creek, <br />Chatfield and Pipestem, all COIpS of Engineers tributary dams have ungated service outlets and no <br />gate operations are normally required except for occasional opening of the low level outlets for <br />various purposes. Releases to meet downstream water rights can be expected at Bowman Haley, <br /> <br />.~ <br />,~ <br /> <br />15 <br /> <br />