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<br />. <br /> <br />. <br /> <br />. <br /> <br />are assigned to the Engineering Committee of the <br />Administration. <br /> <br />(b) During the year covered by this report the Administration has <br />received excellent cooperation from all agen('ies referred (.0 in <br />the foregoing pro\"isiol1s of tile Conlpact. The United St-ate~ <br />Geological Survey has continued the operation of the compact <br />gaging statfons and the analyses and compilation of the <br />hydrologic data presented in this report and used ill the <br />administration of the CpmpacL. The Corps of Engineer.') <br />continued to operate the conser\'atioll pool of John ~hlrt.in <br />Reservoir in accordance with the t.erms of the compact lllld the <br />orders of the Administration. .. <br /> <br />7. Water Supply, Reservoir Operation and Hydrologic Dat.a <br /> <br />At the beginning of the Compact Year 011 No\'ember 1, 19l18. John <br />Martin Reservoir was empty. Inflow to the resen'oir during the winter <br />storagr period. Nu~'elllber 1, 1968, to Mardl 31, 1969. <lmounted to <br />18.6GO ane-feel. Outflow from the T~SerV()jr during the ~;Ime pc.nod <br />waS :3.3:!:~ acre-feet of whirh 2.291 <Jcre-feet was river flow rl:'le;'I.,>pd <br />November L 191311, /.0 Uf'celllber 7. 1961::1. <1m'! noli arre-ft-el uf river <br />nO\\" 're\ei.'l:..~t\ f\-hTUaT)' is. 19o~, to MaTch :1. 1,::)li9, on demand of <br />Colorado. OUlflow during these two periods an.raged about 28 cfs. <br /> <br />Water in storage at midnight on December 31, 1968. was 7.148 <br />acre-feet based on the ca.pacity table dated April 3, 1967. This storage <br />waS reduced to 6,354 acre-feet based on a new capacity table d,lled <br />January 1. 1909. which was used for the remainder of the Compact <br />Year. On March 31. 1969. storage amounted to 21,813 acre.feet. <br /> <br />Colorado requested release of the river inflow up to 25 cfs at 8:30 <br />a.m. April 1, 1969 until 8:30 a.m. 011 April 28, 1969 when Colorado <br />changed the demand to .!QO cfs on reservoir water, which was the first <br />release of st.orfd water for the year. Kansas demands started all May 2, <br />1969. With the pxception of two periods, 7:30 a.m. to 4;00 p.m. on <br />May 5, 1969. and 6:00 p.m. 011 May 6,1969, to 1:00 p,m. on May 9. <br />1969, when the gates were closed, releases were continued to meet <br />varying demands by both St.ates until the reservoir was declared empty <br />at 9:00 p.m, on July 1:3,1969. Water in storage reached a maXlll\UTl\ of <br />26.615 acre. feet on April 27, 1969. declined to 331 acre-feet on June <br />16,1969, and increased to 20,988 aCle-feet on June 28,1969. <br /> <br />River flow was passed through t.he resen-air until 8:00 a.m. on July <br />21, 1969, when the gat.es were closed to store runoff. Releases of stored <br />water began immediately on demand of COIOTlldo and were increased at <br />1:30 p.m. that day to meet. the demand of Kansas. The reservoir was <br />emptied at midnight on July 27, 1969. l\.Iaximum storage during this <br />period was 4,040 ac,e,{eet Qn July 22,1%9. <br /> <br />River flow was pas,<,ed through the reservoir from midnight on July <br />27, 1969, until the gates were closed again at 8:30 a.m. on August 22. <br /> <br />9 <br />