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Show Final Report Hydrologic Model Analysis of the Provo River Basin arrangements was carefully analyzed prior to inclusion in PROSIM. A complete description of these arrangements, and of the overall Provo River water rights analysis, is presented in draft Technical Memorandum # 3 Water Rights Analysis ( CUWCD, 1993b). 2.5 Weber River Analysis The purpose of the analysis of the Weber River drainage was to develop an understanding of how the hydrology and water rights of the Weber River affect the operation of the Provo River. Transbasin diversions from the Weber River provide a significant portion of the water supply of the Provo River Water Users Association ( PRWUA) and the Provo Reservoir Water Users Company ( PRWUC). Because of the effect of these users' operations on other Provo River water users, detailed analysis and modeling of the Weber River water rights that affect the Weber- Provo Diversion Canal was necessary. Hydrologic analysis of the Weber River was necessary because Weber River hydrology affects the availability of water to PRWUC and PRWUA ( CUWCD, 1993c). 2.5.1 Weber River Hydrologic Analysis The methods applied in the analysis of Weber River water rights and hydrology were very similar to those used on the Provo River, with one significant exception. Because the objective of the Weber River portion of the study was limited to the accurate modeling of transbasin diversions to the Provo River, only those portions of the Weber River that impact transbasin diversions were analyzed. Therefore, diversions and water rights of users lower in priority than PRWUA and PRWUC were not analyzed, and the Weber River study area was limited to lands upstream of Gateway. Water rights below Gateway with higher priority than PRWUC and PRWUA were accounted for as a lumped high priority right. With this in mind, the hydrologic analysis included the collection, review, and analysis of available facility, meteorological, streamflow, reservoir storage, and diversion data for the Weber River above Gateway. Consistent, reliable records were developed of each of the types of data required to run PROSIM. As for the Provo hydrologic analysis, natural or virgin inflows were developed by backing- out the effects of diversions and reservoir storage. Complete record flows were then developed by correlation with the flows recorded at the Weber River near Oakley gage. Final local inflow and tributary flow data were produced using water balance calculations and historical flow measurements to adjust the inflows. A more complete description of the Weber River hydrologic analysis conducted to develop PROSIM is presented in draft Technical Memorandum # 5 - Weber River Hydrologic Analysis ( CUWCD, 1993d). January 1998 Page 17 |