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I I I I I I I I I I I I I I I I I I I 8.0 TOTAL VATER SUPPLY ANALYSIS (TASK 6) Without the importation of water from other sources, all of Loveland's existing water supplies are derived from the Big Thompson River or the CBT Project and the Windy Gap Project. The City supply from native Big Thompson flows is comprised of the City's own direct-flow water rights and from ownership in certain irrigation/ditch companies that divert water from the Big Thompson under their ovn water rights. The City's direct-flow rights and ownership in other ditch water are summarized in Table 8-1. Under Colorado water law, direct-flow and storage rights permit the owners of such rights to withdraw water from the river as available in order of priority. If senior water rights use or "call" the entire streamflow, then junior priorities are not entitled to withdraw water. The City withdraws water under its own direct flow water rights through the Loveland Pipeline which is located on the Big Thompson near the mouth of the canyon. The pipeline feeds water directly to the Loveland Vater Treatment Plant. Figure 2-1 illustrated the location of the pipeline and City storage reservoir (Green Ridge Glade) relative to other important conveyance facilities, Figure 8-1 presents a line diagram of the Big Thompson River and associated irrigation ditches. Presently, water can only be diverted into the City'S existing storage reservoir via the Charles Hansen Feeder Canal. The Charles Hansen Feeder Canal is operated by the NCVCD and USBR and is part of the CBT system. It carries water north from Flatiron and Carter Lakes (CBT storage reservoirs to the south) to Horsetooth Reservoir west of Fort Collins for delivery to CBT shareholders in the Cache La Poudre basin. Vater can also be diverted from the Big Thompson River into the Feeder Canal through the Dille Tunnel. The Dille Tunnel is used to divert streamflow to the Big Thompson 8-1