WSP03149

• File Number: 8220.106
• Description: Animas-La Plata
• State: CO
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 7/1/2000
• Title: Final Supplemental Environmental Impact Statement - Executive Summary
• Water Supply Pro - Doc Type: EIS

Tables ES-3 and ES-4 summarize the water supply and project cost projections for the Preferred
Alternative.

Table ES-3
Water Supply and Costs
Preferred Alternative
Allocation of ALP Project Water
Entity Source of Water Depletion (afy)
Southern Ute Indian Tribe Animas River/Ridges Basin Reservoir 19,980'
Ute Mountain Ute Tribe Animas River/Ridges Basin Reservoir 19,980'
, Animas River/Ridges Basin Reservoir
Navajo Nation 2,340
Animas-La Plata Water Animas River/Ridges Basin Reservoir 2,600
Conservancy District
San Juan Water Commission Animas River/Ridges Basin Reservoir 10,400
Subtotal 55,300
Allowance for Reservoir 1,800
Evaporation
Total Depletion' 57,100
. Support for recently introduced federal legislation indicates Ihat the Colorado Ute Tribes may agree to a reallocation of
5,280 afY depletion to the State of Colorado and 780 afy depletion to the La Plata Conservancy District in New Mexico.
b Through implementation of the $40 million water acquisition fund, the Colorado Ute Tribes could acquire an additional
13,000 ;cy deDletion.

..

Table ES-4
Total Costs for Preferred Alternative
Cost
Item Description (Million)
Project Components
Ridges Basin Dam Consists of 120,000 acre-foot reservoir with a conservation $145.0
pool of 30,000 acre-feet. Included in the cost of the dam are
costs of relocations for County Road 211, gas pipelines, and
electrical transmission facilities.
Durango Pumping Plant Maximum pump capacity is 280 cfs. Pumping limited to 240 $36.3
cfs in June for endangered species requirements
Ridges Basin Inlet Conduit Delivers water from Durango Pumping Plant to Ridges Basin $8.7
Reservoir. Length of conduit is 11,200 feet and diameter of
pipe is 66 inches. Maximum design capacity of the conduit is
280 cfs.
Water Acquisition Fund A fund to be used at the discretion of the Ute Tribes for either $40.0
the purchase of water rights to satisfy 13,000 acre-feet per year
depletion or for other economic development by the Tribes
Cultural Resources Mitigation Mitigation includes survey, recovery, protection, preservation $9.0
and disDlav of cultural resources.

ES-l1