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I I I I I I I I I I I I I I I I I I I Fairffeld/Pagosa occupancy varies from 2,400 people (May - September) to 1,700 people (October - April). PAWSD anticipates a ten percent annual growth through 1990 and five percent annually, thereafter. The maximum anticipated population is 45,000. Current water use averages 120 gallons per capita per day (gpcd). The PAWSD recently purchased a 17.88 cfs, junior water right on the San Juan River to firm-up existing water rights. The PAWSD has sufficient water rights to support a population of 45,000 and has several water supply options, some of which are outlined below: 1. Pump out of the San Juan River. This is the preferred alternative if Fairfield/Pagosa agrees to initially develop the land closer to the San Juan River. This will decrease the initial investment cost because the water supply system could be constructed in phases. Present plans are to pump raw water to a treatment plant located about 300 feet above the river. Water could then be gravity fed to the lower areas. 2. Share the cost with Fairfield/Pagosa to pump raw water to Pinion Reservoir. PAWSD would then pump to the existing treatment plant site. 3. Construct Martinez Dam or a similar. smaller reser'J'oir. Although Martinez Creek is an intermittent stream, PAWSD owns the senior right. The reservoir inflow could be supplemented by the Dutton Ditch extension which was recently approved by the Forest Service. Four Mile Creek could also be diverted to the reservoir. 4. Contract with the Town of Pagosa Springs to purchase water. If a reservoir on Snowball Creek were built, treated water could be sold to PAWSD. This would require pumping and construction of a larger transmission pipeline to serve PAWSD. All of the foregoing options have uncertainties related to the Indian water rights situation and Fairfield's projected development. 2-2