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I I I I I I I I I I I I I I I I I 2 Del Norte, Colorado June 15, 1970 To: The President aud Memb~rs of the Board of Dir~ctors Rio Grande Water Conservation District G~nt1emen: The following report is prepared from our original study started in April 1968 and extending through July 20, 1968 and updated to reflect the projects currently under construction and those now being considered by the Board of Directors. This updated report, then, is a statement of progress and of the policy of the Board of Directors in relation to water salvage projects in tbe San Luis Valley. In spi te of obvious repetition the "Sta tement of the Si tua tion" and "Sta tement of the Problem" are again presented in this report with minor modifications. It seems best that the situation and problem as generally viewed by the San Luis Valley water users be constantly in mind so that projects considered in the futnre will conform to demands of the situation and solve some of the wlderlying problems involved. STATEMENT OF THE SITUATION The Rio Grande Compact was ratified in 1939. The Compact stipu- lated the obligation of Colorado to deliver water in the Rio Grande to the States of New Mexico and Texas, The amount of tho obligation of Colorado was established by schedules which required the Conejoe River and the Rio Grande to deliver amounts of water proportional to the volume of water which passed certain specified index stations. The amounts to be delivered to the State line vary from 30 to 60 per cent of the flow of the Rio Grande and from none to 68 per cent of tha Conejos, depending upon the annual flow of the respective rivers. Annual reports of the Rio Grande Compact Commission show that from 1939 to the end of 1951 Colorado had a net delivery of 900 scre feet more than required by the Compact. Colorado has not had a aedit balance at the end of any subsequent year although according to these reports did meet its annnal delivery in 1958, 1966, 1968 0548