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I I I I I I I I I I I I I I I Hydroelectric Power Plant. This flow is returned to the river just above the canyon mouth. CBT and/or Windy Gap water is delivered (as requested by the City) to the Green Ridge Glade storage reservoir through the Feeder Canal. It is important to note that the Loveland Pipeline is located upstream from all irrigation ditches on the Big Thompson River except the Home Supply and Handy Ditches. Dille Tunnel, which acts as the intake channel to the Green Ridge Glade facility, is located upstream from all ditches. Under Colorado water law, one can change the location of the point of diversion of river water if he/she does not injure other water users. It was necessary for the City to obtain regulatory permission to change the point of diversion for the water the City owns in certain ditches in order to make available that water for use in the City system. This permission was obtained in the form of a "Transfer Decree" granted in Vater Court in 1985 (Vater Case Number 82-CW-202A). The Transfer Decree imposes specific constraints on the quantity and volume of water and the timing of diversions that may be taken by the City. The specific constraints are described later in this section. 8.1 METHODOLOGY Tasks 2 through 4 produced a 1,OOO-year synthetic native streamflow record for the Big Thompson River and a concurrent synthetic record of inflow to the and Windy Gap CBT Projects. To estimate the supply available to the City from Big Thompson sources requires that streamflow in any given month be allocated among the competing water users in order of priority. I I The maximum water available to all owners of Big Thompson wa ter righ ts is the actual flow in the river. The actual volume of water available to any individual user is dependent on (1) the actual flow in the river and (2) the seniority of the individual/s water rights. As an example, if the I I 8-5