WSP04963

• File Number: 8220.105.I
• Description: Colorado River-Water Projects-Navajo-Environmental Studies
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 4/1/2002
• Author: BOR
• Title: Navajo Dam EIS-Summer Low Flow Test Report-San Juan River New Mexico and Utah
• Water Supply Pro - Doc Type: Report/Study

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Test findings

Long-term projections

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Hydropower: Slight damage to
turbine blades; noise increase at
generating unit

Further damage and increase in
noise levels would be expected ot
flows below 350 cfs; lost power
revenues.

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Other Resources/Areas of Interest
(speciol stotus species, vegetotion,
wildlife, oir quo lily, soils,
limnology, lond, dam operotion
ond maintenance, sofely of doms,
hozardous moteriols, and cultural
resources): No effect

Indian Trust Assets: Outside the
scope of the Test

Generolly, no significont adverse
effects, although long-term effects
on riparian vegetation may occur
and will be oddressed in the EIS

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Will be addressed in the EIS

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Summer Low Flow Test Report - April 2002

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