WSP04684

• File Number: 8272.500
• Description: Colorado River Basin Salinity Control Forum
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 10/1/1975
• Title: Appendix C - Water Quality Management Plan - Colorado River Basin - Water Quality Standards for Salinity Including Numeric Criteria and Plan of Implementation for Salinity Control
• Water Supply Pro - Doc Type: Report/Study

TABLE OF CONTENTS

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N S~RY. . . . . . . . . . . . . . .

~ . LIST OF ABBREVIATIONS USED IN. REPORT

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Page
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x

CHAPTER I.
CHAPTER II.

INTRODUCTION .

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. 1

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Water Quality Act of 1965. . . . . . . . . . . . . . . .

HISTORICAL ACTIONS RELATIVE TO SALINITY STANDARDS 3
3

. . .

Early Sessions of the Conference in the Matter of the
Pollution of the Interstate Waters of the Colorado River
and Its Tributaries. . . . . . . . . . . . . . . . . . . . . . :3

5
5

Statements by Officials of the Department of the Interior.

Report of Environmental Protection Agency. .

. .

. . . .

.

Seventh Session of the Conference in the Matter of
of the Interstate Waters of the Colorado River and
Its Tributaries. . . . . . . . . . . . . . . . . .

Pollution

. . . . .

6

Establishment of Colorado River Basin Salinity Control Forum 8

Recent Activities. . . . . . . . . . . . . . . . . . . . . . 10
CHAPTER III. SALINITY OF THE RIVER. . . . . . . . 11
Sources of Salinity. . . . . . . . . . . . . 11
Salinity From Natural CaUSE:s. . . . . . . 14
Salinity Resulting From Man's Aetions . . 15
Past, Present and Projected Salinity Levels. . . . . 17
Records and Basie Data. . . . . . . . . . . 17
Present and Historical Salinity Levels and Salt Loads . 2Z

Salt Routing Studies. . . , . . . . . . . . . 23
, Projections of Future Water Use 25
. .' . . , . .
Water Supply Assumptions. . . . . . . 28
Projeeted Salt Load and Salinity Concentration. . . 28

Reduction in Projected Salinity Req~ired to
Maintain 1972 Levels. . . . . . . . . . . . . . . . . . . 29

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