WSPC01611

• File Number: 8064.100
• Description: Ute Tribes
• State: CO
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 6/1/1987
• Author: CO Dept of Law
• Title: Agricultural Engineering Study - San Juan East Watershed - Final Report - Design-Cost Estimate for Off-Farm Irrigation Facilities and PIA Determination
• Water Supply Pro - Doc Type: Report/Study

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0.4.3 Cropping Pattern

For the preliminary analysis of PIA/ a cropping pattern with the

highest net agricultural returns was used. Table 0.2 identifies

this cropping pattern as well as the net agricultural return. All

parcels in the San Juan Bast Watershed are located in climatic zones B

and F.

0.4.4 preliminary PIA Analysis
A preliminary PIA analysis was performed comparing a parcel's
payment capacity with a preliminary estimate of the cost to pump
water from the river to the parcel. This preliminary water cost was
based on the static pumping lift (the difference in elevation from
the water surface in the river to the elevation of the parcel) for
gravity irrigated fields or plus a field delivery pressure of 60 psi
for sprinkler irrigation. The Mancos River, which would supply
water to the parcels in the San Juan East watershed, is located to the
north of the watershed. The water surface elevation was taken at the
point where the river comes closest to the parcels. The water

surface elevation at this location is higher than that of the San Juan

River, and the Mancos River is many miles closer to the parcels.

Detailed tabulations of the analysis are shown in Appendix D.l.

None of the parcels in the San Juan East Watershed had a positive

residual payment capacity. Table 0.3 summarizes the results of the

analysis.

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