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001432 . . PURPOSE OF REPORT 1. This report presents a brief analysis of potentialities for in- oreasing the municipal water supply of the city of Colorado Springs and the irrigation supply for lands in the Fountain Valley. The subjeot of municipal water ,for Colorado Springs waS treated in the preliminary plan- ning report on the potential Gunnison~kansas Project dated June 1948. However, that report presented only one first~phase plan for increasing the city's municipal supply ~J 2,700 aore.~eet annually through a diver- sion from the Beaver Creek watershed with replaoement from Oil Creek. Under that plan, as a part of the Initial Phase of project development, the necessary facilities would be cons-tructed by the city but C("eplacement water would be p~ovided by the transmo~~tain diversion project. The project report also indioated that additional mUlioipal water for the city could be obtaL~ed with the second~phase imaximum Gravity Diversion plan for the project. Not presented in the report were alterna-te possibilities or other potential developments that are summarized here- ino PRESENT DEVELQP~;ENT ~ , 2. Colorado Springs obtain~ its municipal water from the slopes of nearby Pikes Peak. Tho south slope wa~ the first to be developed. Rapid inoreases of population lllS,d" moro wator necessary and additional supplies were obtained from developments on tho north slope. Sevon res- ervoirs on the south slope (namod Numbers 1, 2, 4, 5, 7, 8, and Lako Moraino) have a total storage capacity of 6,861 acre-feet. The two north slope reservoirs--.Crystal Croek and Sou'oh Catamount__havo a oombined oapacity of 6,083 acre-feot. Three small distribution reservoirs--llosa No.1, i1esa No.2, and Highland--havo 0. total capaoity of 70 aore-feot. Additional appurtonant oolleotion, distribution, and treatment facilities oompleto tho municipal system. Tho city also has 0. munioipally-owned powor systom whioh utilizos both steam and hydro plants. As of Dooember 31, 1946, the munioipal plants had an installod oapaoity of 21,000 kilowatts, a' dependable capaoity of 20,000 kwo, and a not annual oapacity of 15,000 kw. 30 The population of Colorado Springs was 36,700 in 1940. Unoffioial ostimatos by 0. 1000.1 organization plaood the 1948 population at 46,000. Tho oity supplies water to Poterson Airfield and to Camp Carson, un army installation. Heavy tourist travel during the summer months rnises munioi_ pal wuter oonswnption during tho oorresponding highest demand period for irrigation water. Local industries and the ruilroads also use municipal wator. 4. The city of Colorado Springs has estimated an immediate pressing need for 4,000 acre-feet of additionul munioipul water and an ultimate need by 1998 for ~n udditional 20,000 uore-feet whioh inoludes the 4,000 aore-feet neoded immediately. 1