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" .'" ~ COLORADO WATER CONSERVATION BOARD Lookout Mountain Water District Rehabilitation of Upper Beaver Brook Dam and Reservoir ~3A January, 1991 Introduction The Lookout Mountain Water District (District) was formed at election in May 1988. The District currently serves 469 taps (l200 people) on Lookout Mountain which were formerly served by the City of Golden. The District could ultimately serve an additional 76 taps for a total of 545 potential taps. Problem The District's primary raw water storage facility, Upper Beaver Brook Reservoir ~3A, has a decreed capacity of 257 acre-feet but it is under current restriction by the State Engineer's Office to 86 acre-feet due to an inadequate spillway. In order to protect its existing decreed water storage right, to provide for its ultimate raw water needs, and to have the State Engineer's restriction lifted the District is requesting financial assistance on the renovation to the Upper Beaver Brook Dam. Proposed Project The District's staff and Joseph A. Cesare and Associates, Inc., have prepared a feasibility report which concludes that the best solution to resolve the restriction problem is to raise the existing earth fill dam approximately 25 feet and construct a new emergency spillway. The estimated cost of this project is $1.200,000. Proposed Financinq The District approved a $2,500,000 general obligation bond issue when it was formed in 1988 for renovation of water facilities and purchase of new water rights. The District has completed several phases of the work required under the bond issue. However, due to increases in costs since the bond issue was approved, the current estimated cost to complete all the work contemplated in 1988 has risen to $3,lOO,000. Therefore, the District has requested additional funding for this project as follows: Lookout Mountain Water District (bonds) CWCB loan @ 5\ for 30 years $ 600,000 600.000 $1. 200,000 3751E*