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<br />~ <br />co <br />-::> <br />-1 <br /> <br />REPORT OF ENGINEER ADVISORS <br />TO THE <br />COSTILLA CREEK COMPACT COMMISSION <br /> <br />, , <br /> <br />May 2, 1974 <br /> <br />\.-~;..~ <br /> <br />REPORT OF DELIVERIES <br /> <br />The 1973 computations of allocations and deliveries of water <br /> <br />under the ~ended Costilla Creek Compact indicate the following: <br /> <br />Direct Flow <br /> <br />(1) Via Costilla Creek below the Cerro Diversion Dam, New <br /> <br />Mexico used 1,385 acre-feet less than her allocation and 6,724 <br /> <br />acre-feet in excess of Colorado's allocation passed the state line <br /> <br />gage, Costilla Creek at Garcia. A total of 6,530 acre-feet of <br /> <br />the 6,724 acre-feet of excess flow occurred during surplus water <br /> <br />periods. Most of the excess at the Garcia gage flowed down <br /> <br />Costilla Creek for delivery to Eastdale Reservoir No.1, Jaroso <br /> <br />Mutual users and to the Rio Grande. <br /> <br />(2) New Mexico received an over~delivery of 318 acre-feet <br /> <br />and Colorado an under-delivery of 203 acre-feet through the Acequia <br /> <br />Madre System. The over-delivery to New Mexico occurred during the <br /> <br />time there was surplus water in the system. The under-delivery to <br /> <br />Colorado was the result of the users not requesting or not being <br /> <br />able to divert all of the water that was available to them under <br /> <br />their allocation. <br /> <br />(3) New Mexico received an under-delivery of 2,210 acre-feet <br /> <br />and Colorado received an over-delivery of 412 acre-feet through the <br /> <br />Cerro Canal. Most of the under-delivery to New Mexico occurred <br />, Gv"'4-- <br />during May and June and^due to maintenance on the Association Ditch. <br />