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I' I I I I I I I I I I I I I I I I I I n~~~~' U~U_J~ CONCLUSIONS The Phase I Drought Study led to the following conclusions: o The City will become increasingly vulnerable to drought conditions as the population increases. o Loveland will become increasingly dependent upon the CBT Project to meet demand during the November through March period. o The increased dependency on CBT water to meet demands will increase the vulnerability of the City's supply to transmission capacity limitations or temporary disruptions in the CBT delivery system (e.g., Adams Tunnel, Dille Tunnel, Charles Hansen Feeder Canal). o A significant volume of water that is owned by the City through ownership in ditch companies is returned to the river during wet years due to the present lack of city-owned storage capacity. o The City's projected water supply will be sufficient to meet demand at the 25-, 50-, 100- and 2000-year drought recurrence intervals for the 1985, 2000-low. 2000-moderate and 2015-low growth scenarios. o Vater supply deficits would be encountered during 100- and 200-year droughts for the 2000-high growth scenario. o Vater supply surpluses would be available for the 2000-high growth scenario during 25- and 50-year drought events. o Vater supply deficits would be encountered during the 25-, 50-, 100- and 200-year drought events for the 2015-moderate and 2015-high growth scenarios. To achieve the reliability and yields predicted herein without additional storage capacity, it will be essential to acquire additional CBT shares and ownership in ditch companies (through annexation of currently undeveloped land) in the amounts anticipated by the Vater Board. A variety of alternative drought mitigation strategies were examined to provide a preliminary evaluation of their effectiveness in reducing or eliminating the deficits encountered under the 2015-moderate growth scenario for the 100-year recurrence interval. These evaluations led to the overall conclusion that sufficient water can be made available to eliminate the deficits encountered under that scenario: iv