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BOARD02132
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BOARD02132
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Last modified
8/16/2009 3:12:39 PM
Creation date
10/4/2006 7:11:29 AM
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Board Meetings
Board Meeting Date
5/30/1991
Description
Agenda or Table of Contents, Minutes, Memos. Not All Materials Are Included.
Board Meetings - Doc Type
Meeting
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<br />j <br /> <br />'" <br /> <br />. <br /> <br />TOWN OF ERIE <br /> <br />. <br /> <br />Project SlII1I\1ary <br /> <br />The Town of Erie is located in the southwesterly portion of Weld County <br />and in the southeasterly portion of Boulder County. The town's source of raw <br />water is streamflow diverted through the South Boulder Canyon Ditch. Erie <br />Lake and Prince Lake No.1, located some 3.5 miles southwest of Erie, provide <br />the only raw water storage for the present Erie water system. Prince Lake <br />No.1 is presently under storage restrictions by the State Engineer's Office, <br />limiting the reservoir depth to 7.5 feet below the spillway. Prince Lake No.1 <br />has an ultimate storage capacity of 80 acre-feet, a restricted capacity of <br />about 40 acre-feet, and an actual capacity of only 12 acre-feet due to <br />sedimentation in the reservoir. Erie Lake has a potential storage capacity <br />of 260 acre-feet, but an actual capacity of 228 acre-feet due to <br />sedimentation. The purpose of this project is to increase combined reservoir <br />storage to 300 acre-feet by removing the sediment from both reservoirs and <br />repairing the Prince Lake spillway. <br /> <br />The town diverts water to their two storage reservoirs via ownership of <br />120 shares of the South Boulder Canyon Ditch Company stock and 155 shares of <br />the Leyner-Cottonwood Consolidated Ditch Company stock. Erie's share of South <br />Boulder Canyon Ditch yields 420 acre-feet in an average year and zero in a dry <br />year, based on diversion decrees of 5.1 cfs and 7.79 cfs having respective <br />priority dates of May 15, 1870 and May 15, 1871. The town's share of the <br />Leyner-Cottonwood Ditch has been transferred to the headgate of the South <br />Boulder Canyon Ditch with a consumptive use yield of 84 acre-feet in an <br />average year and 22 acre-feet.in a dry year (Case No. 82-CW-052), based on <br />diversi on decrees of 1. 09 cfs (April 1, 1865), 0.57 cfs (April 1, 1866), and <br />0.77 cfs (October 1, 1870), during the period of May 1 through September 23 of <br />each year. <br /> <br />The present raw water reservoir volume is inadequate to store the <br />potential yield from the town's water rights, thus resulting in water supply <br />shortages during dry periods. Water usage in 1989 totaled 174 acre-feet and <br />is projected to increase to 396 acre-feet in 2010. Since yield is extremely <br />low during dry. years, additional storage capacity is required to provide carry <br />over from wetter years. <br /> <br />A cost estimate was prepared in 1989 for the necessary repairs and <br />sediment removal. Total cost including engineering was estimated as $530,000. <br />The Town of Erie wi1] issue debt to cover the entire cost of the project. The <br />CWCB has been authorized to provide a loan of $250,000 for the project. A <br />loan of $300,000 has been requested from the Colorado Water Resources and <br />Power Development Authority to cover the balance of the project costs. <br /> <br />. <br />
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