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M. Costs. The total estimated first cost of the project amounts . to $36,810,000 of which $36,560,000 ($160,000 - U.S. Bureau of Reclama- ....-, -- .----=-- tion) are Federal costs plus $250,000 non-Federal cost for acquisition of water rights. Average annual operation and maintenance costs will be $36,000. Total estimated average annual benefits amount to $1,996,000 "'--........~ based on an economic life of 75 years. The benefit-to-cost ratio is 1.3 to 1. An irrigation repayment contract between U.S. Bureau of Reclamation and the Purgatoire River Conservancy District amounts to $6,435,600, which may extend over a period not to exceed 75 years in- eluding a 5-year development period. The Conservancy District is required to bear part of the annual joint-use operation, maintenance and replacement costs while the city of Trinidad is responsible for maintaining the channel of the Purgatoire River through the city. N. Prolect Status. Land acquisition, the county road, Jansen Reservoir, site preparation, cemetery relocation, and the outlet works have been completed. As of 28 February 1974, work on about 61 percent of the overall project had been completed. Approximately 45 percent of embankment work is complete. The embankment is currently scheduled to be completed early in 1977, and the reservoir can begin filling at that time. Completion time may be delayed due to adverse weather conditions. O. Interrelationship with Other ExistinR or Planned Water aseource Developments and Plans. With the exception of the required maintenance of a 15,OOO-cubic foot per-eecond channel to co~ey spillway releases from the dam through 'Trinidad and its. connection with the downstream irrigation systems, the Trinidad Project will not be closely inter-related . 1-12