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<br />~ <br />c.o <br />In <br />.-l <br />Q <br /> <br />" <br /> <br />. <br /> <br />. <br /> <br />REPORT OF WATER AND POWER RESOURCES SERVICE <br /> <br />SOUTHWEST REGION <br /> <br />,-_..- <br /> <br />TO <br /> <br />RIO GRANDE COMPACT COmlISSION <br /> <br />Mareh 1981 <br /> <br />MIDDLE RIO GRANDE PROJECT, NEW MEXICO <br /> <br />The Upper Rio Grande Basin Projeets Office at Albuquerque, New Mexieo, is the <br /> <br />responsible office for ehannel features of the Middle Rio Grande Project. The <br /> <br />projeets' offiee is also responsible for operation and maintenance (O&M) and <br /> <br />water-aeeounting funetions of the San Juan-Chama Projeet, O&M of Platoro Dam <br /> <br />(San Luis Valley Projeet), and eontinued liaison with the Middle Rio Grande <br /> <br />Conservaney Distriet (MRGCD) on irrigation and drainage for the Middle Rio <br /> <br />Grande Project. <br /> <br />Irrigation and Drainage System <br /> <br />All O&M functions of the irrigation and drainage faeilities of the Middle <br /> <br />Rio Grande Project have been performed by the IWGCD sinee September 1,'1977, <br /> <br />exeept that Water and Power Resourees Serviee has eontinued to operate <br /> <br />El Vado Dam. <br /> <br />Replaeement of riprap below the downstream apron of San Aeaeia Diversion Dam is <br /> <br />seheduled for the summer of 1981, and a modified method of operation of the dam <br /> <br />to minimize displaeement or loss of riprap and ehannel seouring at the <br /> <br />downstream end of the apron was reeommended by the Serviee. Approval of use of <br /> <br />a nearby riprap source has been obtained and an application has been filed for a <br /> <br />404 permit for the haul road in the riverbed. <br />