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CE'NTRAL. <br />? ? . Nebraska Public Power <br />? and Jrrigation District <br />October l, 1999 <br />Roger Patterson <br />Nebraska Department of Water Resources <br />PO Box 94676 <br />Lincoln NE 68509 <br />Subject: A-17695 (Environmental Account) <br />Dear Roger: <br />A-17695, the water right which covers the operation of Central's Environmental <br />Account, provides that "[w]henever Lake McConaughy fills to regulatory capacity, as <br />defined by FERC's da.m safety requirements for FERC project No. 1417... and the <br />quantity of [water available for use under this appropriation] is less than 100,000 AF, the <br />[water available for use under this appropriation] sha11 be increased to 100,000 AF." <br />On October 1 the regulatory capacity for Lake McConaughy drops from elevation 3265.0 <br />ft MSL to 3260.0 ft MSL. During the month of September, Lake McConaughy was <br />above elevation 3260.0 ft MSL, with the potential to remain above 3260.0 ft MSL under <br />then-current inflows and operations. Central made operational adjustments in September <br />to avoid exceeding the regulatory capacity restrictions that were to start October 1, 1999. <br />The actual October 1, 1999 elevation of Lake McConaughy was 3259.2 ft MSL. <br />While Lake McConaughy technically was not at regulatory capacity on October 1, 1999, <br />Central believes that Lake McConaughy was effectively at capacity in light of the <br />necessary operations. Provided the Department of Water Resources concurs with this <br />conclusion, Central requests that the water available for use under A 17695 be set equal <br />to 100,000 acre-feet as of October 1, 1999. <br />A written response would be greatly appreciated. <br />Sincerely, <br />1lOLlrF <br />? 4r SF?? <br />'chael A. Drain, P.E. C, <br />Hydraulic Engineer <br />OCT ? <br />cc: Sharon Whitmore, Dave Webster ?.? cC E I a??? ? <br />Home Office • 415 Lincoln Street • P.O. Box 740 • Holdrege, Nebraska 68949-0740 •(308) 9~ ' <br />Gosper County <br />Doyle D. Lavene <br />Geo/lrey K. Bogle <br />Wllliam Knoerzer <br />Keith County <br />Central District eoard of Directors <br />Phelps County <br />C. Lloyd Enckson <br />Roger D. Olson <br />Gary W. Dahlgren <br />Ltncoin County <br />Adams CouRty <br />Wendell E. Johnson <br />O. J. McDOUgaI, Jr. <br />Robert L. Johnson <br />General Manager <br />Kearney County <br />Robert A. Garrett <br />K. Scott Olson <br />Dudley Nelson <br />Dawson County