WSP07972

• File Number: 8272.100.60
• Description: Colorado River Basin Salinity Control Forum
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 10/1/1993
• Author: CRBSCF
• Title: 1993 Review - Water Quality Standards for Salinity - Colorado River System
• Water Supply Pro - Doc Type: Report/Study

Table of Contents

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COLORADO RIVER BASIN SALINITY CONTROL FORUM MEMBERS

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i

TRANSMITIAL LETTERS .................................... Hi

SUMMARY .............................................. v

TABLE OF CONTENTS ...................................... ix

CHAPTER 1 - INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-1

Purpose of Report ...................................... 1-1
History and Background. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-1

Program Funding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-3

CHAPTER 2 - SALINITY OF THE RIVER. . . . . . . . . . . . . . . . . . . . . . . . . .. 2-1

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-1
Observed Salinity Concentrations ............................. 2-4
Water Use and Associated Impacts of Salinity ..................... 2-4

Projections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-9
Future Water Depletions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-9
Salinity Concentrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

CHAPTER 3 - WATER QUALITY STANDARDS FOR SALINITY. . . . . . . . . . .. 3-1
Overview of Standards ................................... 3-1
Numeric Criteria for Salinity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-2
Federal Regulation ................................. 3-2

Temporary Increases ................................ 3-3
Plan ofImplementation ................................... 3-3
CHAPTER 4 - PLAN OF IMPLEMENTATION - FEDERAL PROGRAMS. . . . . .. 4-1

Introduction .......................................... 4-1
Recommended Plan ..................................... 4-1
Salinity Control Plan of Implementation . . . . . . . . . . . . . . . . . . . .. 4-1
Reclamation/USDA Units Included in the Plan ................ 4-4
Units Completed .............................. 4-4
Units Being Implemented . . . . . . . . . . . . . . . . . . . . . . . .. 4~4
Paradox Valley . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-4

Grand Valley . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-4
Uinta Basin . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-5
Lower Gunnison Basin ...................... 4-6
Big Sandy River . . . . . . . . . . . . . . . . . . . . . . . . .. 4-7
Dolores Project/McElmo Creek . . . . . . . . . . . . . . . .. 4-7

Moapa Valley. . . . . . . . . . . . . . . . . . . . . . . . . . " 4-8
San Juan-Hammond . . . . . . . . . . . . . . . . . . . . . . " 4-8
Price-San Rafael Rivers ..................... 4-8
Units Under Consideration But Not Currently in the Plan ..... 4-8
San Juan-Hogback. . . . . . . . . . . . . . . . . . . . . . . .. 4-8
Lower Virgin River . . . . . . . . . . . . . . . . . . . . . . .. 4-8
GIenwood Springs Desalination . . . . . . . . . . . . . . . '. 4-9

Sinbad Valley. . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-9

ix