WSP03614

• File Number: 8270.100
• Description: Colorado River Basin Water Quality/Salinity -- Misc Water Quality
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 1/1/1981
• Author: USDOI
• Title: Quality of Water - Colorado River Basin - Progress Report No. 10 - January 1981 -- Part 1 of 2 -- Title Page through Part IX - page 98
• Water Supply Pro - Doc Type: Report/Study

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SUMl1ARY
PART 1

P ART II

PART [[ 1

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PART IV

PART V

PART VI

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CONTENTS

INTRODUCTION.
A. Authorization for Report
B. Previous Reports
C. Cooperation.
DESCRIPTION OF BASIN.
A. Geology.
B. Soils.
C. Climate.
D. Vegetation
E. Hydrology.
HISTORY OF WATER RF,SOURCE DE"i-:LOPMENT
A. Irrigation Development
B. Streamflow Depletions.
C. Legal Aspects, Water Quantity.
1. Colorado River Compact.
2. Mexican Treaty of 1944.
3. Upper Colorado River Ra~in Co~pact.
4. Arizona vs. California Suit in the Supreme Court.
5. Colorado River Basin Project Act.
D. Legal A~peCt5, Water Qunlity
1. Water Duality Act of 1965 and Related
Developments.
2. The Federal Water Pollution Control Act
Amendments of 1972.
3. Clean Water Act of 1977
4. Relations with Mexico
5. Colorado River Basin Salinity Control Act
CAUSES OF SALINITY.
A. Increased Concentration from Salt Additions.
1. N~tural SOIJrces of Salinity.
Upper Basin.
Lower Basin.
2. Agricultural Sources of Salinity.
3. Municipal and Industrial Sources of Salinity.
B. Increased Con~entration from ~ater Depletions.
1. In-basin Oepletions
2. Transbasin Depletions
EFFECTS OF SALINITY ON WAT~R USi-:.
A. In-stream Use.
B. Irrigation Use
C. Industrial Use
D. Domestic IJse
E. Economic Impacts
EVALUATIONS OF EXISTING SALINITY CONDITIONS
A. Quality of Water Stations.
I. Key Stations with Co~plcte Records.

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