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<br />reached a maximum of 12,255 acre feet on February 16, 1977 the last <br />day Amity water was delivered to John Martin. Kans~s made a <br />demand for its share of Amity storage at 0600 hrs. on April 15. I 97'i. <br />Colorado's demand for Amity water followed at OiOO hrs. on April 16. <br />Hm. <br />The winter storage season for John Martin Reservoir began on <br />November I, 1976 at 12:01 a.m., with the reservoir empty. <br />By April I, 1977, the first day of the summer storage period, total <br />compact storage had reached 8722 acre feet. No demand waS made for <br />Compact water until 0001 hrs. on April II, 1977 when Colorado <br />demanded 600 cfs and Kansas demanded 400 cfs. 80th states sustained <br />demand until 0600 hrs. on April 15, Uti when compact storage was <br />emptied. <br />Although several tributary freshets occurred above John Martin in <br />late April and early May of 1977, nows were not sufficient to justify <br />summer storage untit May 21. At 1400 hrs. on May 21. Colorado <br />demanded 420 cfs and Kansas demanded 400 ers liltil storage was <br />emptied at 1900 hrs. on May 22. Due to flows from the PurgatOIre, <br />summer storage was again commenced at 0630 hrs. on May 26. 19i7 <br />when Cotorado caHed for 450 cfs and Kansas catled for 400 ds. Storage <br />was emptied at 18()() hrs. on May 27. <br />River flows were low during June and July and no water was <br />available for storage until August. Due to a freshet from the <br />Purgatoire River. John Martin Reservoir gates were regulated for <br />storage beginning at 2000 Hrs. on August 2, 1977 and a release of 400 cfs <br />was made to Kansas and 600 cfs to Colorado. These releases were <br />continued until 2000 Hrs. on August 3 when the reservoir waS emptied. <br />Purgatoire River nows again justified storage at 1700 Hrs. on August <br />10, 1977. Calls for 400 ers from Kansas and 600 cfs from Colorado <br />emptied the Reservoir by 1800 Hrs. on the following day. <br />Combined flows from the Arkansas River, Purgatoire River, and <br />Rule Creek were sufficient to begin storage at 1600 Hrs. on August 18. <br />Hfl7 when Colorado demanded a 600 cfs release and Kansas demanded <br />a 400 cfs release. These demands caused the Reservoir to be emptied <br />by August 26 at 1700 Hrs. <br />Low river flows were encountered for the remainder of the compact <br />year and the gates were closed for winter storage at 2400 Hrs. on <br />October 31, I ~7. <br />The first demand for river flow was made by Colorado at 0800 Hrs. <br />on March I, lCJl7. This demand for river now was continued until 1100 <br />Hrs. on April 26, 1977 when the reservoir was evacuated of both the <br />Compact water and Amity storage water. John Martin went into <br />summer storage rive other times during the Compact year and <br />Colorado made demands for river flow releases during two of these <br />periods. The first river now demand of 250 cfs occurred from 2000 hrs. <br />on August 2, 1977 until 2000 hrs. on August 3, 19i7. The second demand <br />was for 2()() ers from 17()() hrs. on August 10, 1977 to 1430 hrs. on August <br />11. 1~7. <br /> <br />9. GAGING STA TJONS <br />In general. streamflow records of satisfactory accuracy were ob- <br />tained at the compact stations. Emphasis was continued on performing <br />additional field work to increase the accuracy of the records and on <br />providing current streamnow data to the Administration and Stale <br />officials, as required. <br /> <br />-9- <br />