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;'J ) . . . STATE OF COLORADO Colorado Water Conservation Board Department of Natural Resources 1313 Sherman Street, Room 721 De:nver, Colmado 80203 Phone: (303) 866-3441 FAX: (303) 866-4474 www.cwcb.state.co.us MEMORANDUM Bill Owens Governor Russell George Executive Director TO: Colorado Water Conservation Board Members Rod Kuharich eweB Director FROM: Dan McAuliffe Deputy Director Tim Feehan, P.E. Project Mana er Mike Serlet, P.E., Chief Water Supply Planning an DATE: March 4, 2004 SUBJECT: Agenda Item 25e, March 16-17, 2004 Board Meeting Water Supply Planning and Finance Section Terrace Irrigation Company INTRODUCTION The Terrace Irrigation Company (TIC) is applying for a loan in the amount of $243,000 to make repairs to Terrace Reservoir existing outlet works. The estimated total cost of the project is $270,000, which involves replacement of the trash rack, sediment removal and repair of the gate valves. Please see the attached project summary and map. BACKGROUND The TIC, located in Conejos County, owns and operates the Terrace Reservoir, the Terrace Main Channel, and the Alamosa Creek Canal to deliver direct flow irrigation water for the benefit of the shareholders. Flows from the Alamosa River run directly into Terrace Reservoir, where water is stored aod released downstream into the Alamosa River, and distributed by means of the Terrace and Alamosa Creek Canals to a 10,356 acre service area. After a flood event into Terrace Reservoir, it was discovered that the existing trash rack has been destroyed and washed into the outlet pipes, along with significant amount of sediment. Additionally, upon inspection of the outlet pipe it was discovered that one of the existing 48-inch double leaf gate valves was in need of repair. Given the amount of sediment and debris that had accumulated in the outlet works, the TIC was left with an emergency situation to repair the outlet works, to make the facility operable prior to the 2004 spring runoff.