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, ~ I , 8. Water Supply, Reservoir Operation. and Hydrologic Data: The 1981 Arkansas River Compact year and the winter storage season for John Martin Reservoir began at 0001 hours November I, 1980 with 35,395 acre-feet in account storage but with zero acre-feet in conservation storage. The account storage was apportioned 27,160 acre- leet to the Storage Accounts pursuant to the April 24, 1980 Resolution Concerning the Operation of John Martin Reservoir (hereinafter relerred to as the 1980 Storage Resolution), and 8235 acre.leet to the Permanent Recreation Pool. The Permanent Pool water was carried over from last year when transmountain water was purchased for this purpose and stored in John Martin Reservoir. Evaporation is charged daily to the contents of the ACCOWlts and the Permanent Recreation Pool. During the winter storage season Colorado called {or 550 acre-feet Irom its accounts, and applied the water to beneficial use. This simulated the historic practice of calling for river flow under the Compact. The Fort Lyon Winter Water (1568 AF) was delivered to John Martin Reservoir on March 16, 1981 pursuant to the Pueblo Winter Storage Program. At 2400 hours on April 1. 1981 35% 01 Ft. Lyon and Amity Winter Water was translerred and distributed equitably pur- suant to paragraph fII Dol the 1980 Storage Resolution. The balance 01 the Fort Lyon. Winter Water was released lor exchange on May 31, 1981. This was the first time that an exchange was executed between water users above John Martin Reservoir and those below the reser- voir. The Amity Winter Water was transferred into Amity's Storage Account on April 1. The transfer of conservation storage water into the Storage Accounts began on April 7 at the prescribed rates pursuant to the 19110 Storage Resolution. When Winter Storage ended at 2400 hours on March 31, 1981, the water in the reservoir was apportioned as follows (all values in AF): Hrs. Date Total Reservoir Compacl Aareement Storage Water Water Amity Wmter Water Fort Lyon Winter Permanent Water Pool 0001 April 1 75.768 22,2911 24,894 19.301 1570 n04 The Summer Storage season was hot and dry until August when several summer thunderstorms provided much needed moisture. The total inflow to conservation storage was 01,463 acre-feet dW'ing the summer. This water was released into Slorage ACCOWlts at the rates agreed to by Colorado and Kallsas in accordance with the 1980 Storage Resolution. The summer storage events were as follows: Conservation Events of John Martin Reservoir Water Year 1980 Beginmng of Ending of Beginning of Transfer Ending of Transfer ..\mOWlt Slorage Storage Release Release Storod Hour Do> Hour Do> Hour Day How Day A.F. 0300 May3l 2050 June 1 OJOO Msy31 2050 June I 5.... 011OO July 4 1006 July 9 0800 July 4 1006 JulyS 10,954 ??oo August 8 1410 Sept 1 2600 Ausust 8 1410 Sept. 1 48.969 1100 Sept. 8 1737 Sept. 9 1000 Sept. 8 1737 Sept. 9 2.052 9