WSP10687

• File Number: 8270.100
• Description: Colorado River Basin Water Quality/Salinity -- Misc Water Quality
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 1/1/1971
• Author: USDOI
• Title: Quality of Water - Colorado River Basin - Progress Report No. 5 - January 1971
• Water Supply Pro - Doc Type: Report/Study

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Summary
Part I

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Part II

Part III

Part IV

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CONTENTS

Introduction. . . . . . . . .
A. Legislative requirements for report.
B. Previoua reports
C. Cooperation. . . . . . .
D. Scope. . . . . . . . . .
E. Water quality legislation.
Description of Basin.
A. Geology.
B. Soils. . .
C. Climate. .
D. Vegetation
E. Hydrology.
History of water resource development
A. Irrigation Development
B. Streamflow depletions. . . .
C. Legal Aspects. . . . . . . .
1. Colorado River Compact.
2. ~xican Treaty. . . . .
3. Upper Colorado River Basin Compact.
4. Arizona vs. California suit in the
Supreme Court. . . . . . . . . .
5. Colorado River Basin Project Act.
D. Economic conditions.
Basic studies . . . . . . . .
A. Study objectives . . . .
B. Effects of impoundments.
1. Flaming Gorge Reservoir
Quality of water in the reservoir
Quality of inflow waters. . . . .
Effects of closure on the Green River
at Greendale . . .
2. Lake Powell. . . . . . . . . . . . .
Quality of water in reservoirs. . .
Effects of closure on the Colorado
River at Lees Ferry. . . . . . . .
3. Lake Mead. . . . . . . . . . . . . .
C. Lower Colorado River salinity investigations
D. Natural sources of salinity. . . . . . . . .
1. Diffused sources. . . . . . . . . . . .
2. Contribution of salts to the river sys-
tem by springs and tributaries
Paria River. . . . . .
Little Colorado River.
Bright Angel Creek
Tapeats Creek.
Kanab Creek. . . .

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