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Additional Water for the San Joaquin
River Agreement,
2001-2010 Supplemental EIS/EIR
TABLE OF CONTENTS
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EXECUTIVE SUMMARY ES-1
ES.1 Background
ES-1
ES.2 Project Purpose
and Need ES-2
ES.3 Public and Agency
Involvement ES-2
ES.4 Alternatives
Considered and Preferred Alternative ES-2
ES.5 Summary of Significant
Environmental Effects and Mitigation ES-3
LIST OF TABLES
vi
LIST OF FIGURES
vii
ACRONYMS/ABBREVIATIONS
vii
Measurement
Units
1. INTRODUCTION 1-1
1.1
History of Project 1-1
1.2 Purpose
of and Need For Action 1-3
1.2.1
Statement of Purpose and Need 1-3
1.2.2
Explanation of Need for Project 1-4
1.3
Project Objectives 1-5
1.4
Authority for Project 1-6
1.5 Related
Projects 1-6
2. ALTERNATIVES INCLUDING
PROPOSED ACTION 2-1
2.1 No Action Alternative
2-1
2.2 Proposed Action
2-1
2.3 Alternatives Considered
But Not Evaluated in Detail 2-6
2.4 Summary of Comparison
of Impacts 2-7
3. PROJECT AREA AND SCOPE
OF ANALYSIS 3-1
3.1 General Description
of Project Area and Willing Sellers3-1
3.1.1 Project Area
and Vicinity3-1
3.1.2 Willing Sellers
on the Tuolumne River3-2
3.1.3 Willing Sellers
on the Merced River3-3
3.2 Scope of Analysis3-3
3.3 Determination of
Impact and Mitigation3-4
4. SURFACE WATER RESOURCES
4-1
4.1 Affected Environment
4-1
4.1.1 Surface Water
in the San Joaquin River Basin 4-1
4.1.2 Upper San
Joaquin River and Tributaries 4-1
4.1.3 Lower San
Joaquin River and Tributaries 4-1
4.1.4 Surface Water
Quality in the San Joaquin River Basin 4-3
4.1.5 Water Facilities
and Operations 4-3
4.2 Environmental Consequences
and Mitigation Measures 4-6
4.2.1 Key Impact
Issues and Evaluation Criteria 4-7
4.2.2 Analysis/Modeling
Methodology4-7
4.2.3 Environmental
Impacts and Mitigation 4-9
4.2.4 Impact Summary
and Mitigation of Impacts 4-19
5. GROUNDWATER RESOURCES
5-1
5.1 Affected Environment
5-1
5.1.1 Introduction
5-1
5.1.2 Historical
Perspective and Recent Conditions 5-1
5.1.3 Overview of
the Central Valley Regional Aquifer System5-2
5.1.4 Groundwater
Resources of the San Joaquin River Region5-2
5.1.5 Summary of
Groundwater Conditions5-2
5.2 Environmental Consequences
and Mitigation Measures 5-5
5.2.1 Key Impact
Issues and Evaluation Criteria 5-5
5.2.2 Environmental
Impacts and Mitigation5-5
5.2.3 Impact Summary
and Mitigation of Impacts 5-7
6. TERRESTRIAL BIOLOGY
6-1
6.1 Affected Environment
6-1
6.1.1 Vegetation
Types6-1
6.1.2 Wildlife6-2
6.1.3 Special-Status
Species6-2
6.2 Environmental Consequences
and Mitigation Measures 6-3
6.2.1 Key Impact
Issues and Evaluation Criteria6-3
6.2.2 Environmental
Impacts and Mitigation6-7
6.2.3 Impact Summary
and Mitigation of Impacts 6-9
7. AQUATIC RESOURCES 7-1
7.1 Affected Environment7-1
7.1.1 Habitats
and Ecological Zones7-1
7.1.2 Factors Affecting
the Distribution and Abundance of Aquatic Resources
in the San Joaquin River and Bay/Delta Estuary7-3
7.1.3 Indicator
Species Population Trends7-3
7.1.4 Summary7-8
7.2 Environmental Consequences
and Mitigation Measures7-8
7.2.1 Key Impact
Issues and Evaluation Criteria7-8
7.2.2 Environmental
Consequences7-9
7.2.3 Impact Summary
and Mitigation of Impacts7-19
8. LAND USES 8-1
8.1 Affected Environment
8-1
8.1.1 Socioeconomic
Environment 8-1
8.1.2 Land Uses
8-4
8.2 Environmental Consequences
and Mitigation Measures 8-6
8.2.1 Key Impact
Issues and Evaluation Criteria8-6
8.2.2 Environmental
Consequences 8-6
8.2.3 Impact Summary
and Mitigation of Impacts 8-9
9. CULTURAL RESOURCES 9-1
9.1 Affected Environment
9-1
9.1.1 Scope of
Analysis 9-1
9.1.2 Definitions
9-1
9.1.3 Cultural Resources
Baseline 9-2
9.2 Environmental Consequences
and Mitigation Measures 9-3
9.2.1 Key Impact
Issues and Evaluation Criteria 9-3
9.2.2 Environmental
Consequences9-4
9.2.3 Impact Summary
and Mitigation of Impacts9-8
10. RECREATION 10-1
10.1 Affected Environment
10-1
10.1.1 San Joaquin
River Basin 10-2
10.1.2 Sacramento-San
Joaquin Delta 10-4
10.2 Environmental
Consequences and Mitigation Measures 10-4
10.2.1 Key Impact
Issues and Evaluation Criteria10-4
10.2.2 Environmental
Consequences10-5
10.2.3 Impact
Summary and Mitigation of Impacts10-12
11. ENERGY PRODUCTION
11-1
11.1 Affected Environment11-1
11.1.1 New Don
Pedro Project11-1
11.1.2 Exchequer,
McSwain, and Merced Falls Projects11-2
11.2 Environmental
Consequences and Mitigation Measures 11-2
11.2.1 Key Impact
Issues and Evaluation Criteria 11-2
11.2.2 Environmental
Consequences11-3
11.2.3 Impact
Summary and Mitigation of Impacts 11-7
12. INDIAN TRUST ASSETS
12-1
12.1 Affected Environment12-1
12.2 Environmental Consequences and Mitigation
Measures 12-1
13. ENVIRONMENTAL JUSTICE
13-1
13.1 Affected Environment
13-1
13.1.1 Race and
Ethnicity 13-1
13.1.2 Low
Income 13-1
13.2 Environmental
Consequences 13-2
13.2.1 Key Impact
Issues and Evaluation Criteria 13-2
13.2.2 Environmental
Consequences13-2
13.2.3 Impact
Summary and Mitigation of Impacts 13-3
14. CUMULATIVE EFFECTS
14-1
14.1 Actions Included
in the Cumulative Impacts Analysis 14-1
14.1.1 State
Water Resources Control Board Bay-Delta Process
14-1
14.1.2 Central
Valley Project Improvement Act (U.S. Bureau of
Reclamation) 14-2
14.1.3 Interim
South Delta Program (California Department of
Water Resources/U.S Bureau of Reclamation) 14-3
14.1.4 CALFED
Bay-Delta Program 14-4
14.1.5 New Melones
Long-Term Plan of Operation 14-5
14.1.6 South San
Joaquin Irrigation District South County Surface
Water Supply Project 14-5
14.1.7 Oakdale/South
San Joaquin Irrigations District Water Transfer
Project to Stockton East Water District 14-5
14.1.8 Temporary
Acquisition of Merced Irrigation District Water
for Wildlife Refuges, 2000-2001 14-6
14.1.9 Exchange
Contractors Temporary Water Transfer Program,
2000-2004 14-6
14.1.10 Recirculation
Feasibility Study, Plan of Action 14-6
14.2 Cumulative Impact
Analysis 14-7
14.2.1 Delta
Region14-7
14.2.2 Sacramento
River Region14-10
14.2.3 San Joaquin
River Region14-11
14.2.4 SWP and
CVP Service Areas14-12
15. RELATIONSHIP BETWEEN
SHORT-TERM USES AND MAINTENANCE
OF LONG-TERM PRODUCTIVITY 15-1
15.1 Surface Water
15-1
15.2 Groundwater 15-1
15.3 Terrestrial Resources
15-1
15.4 Aquatic Resources
15-1
15.5 Land Use 15-2
15.6 Cultural Resources
15-2
15.7 Recreation 15-2
15.8 Energy Resources
15-2
15.9 Indian Trust
Assets 15-2
15.10 Environmental
Justice 15-2
16. IRREVERSIBLE OR IRRETRIEVABLE
COMMITMENT OF NATURAL RESOURCES 16-1
17. UNAVOIDABLE ADVERSE
IMPACTS 17-1
18. GROWTH-INDUCING IMPACTS
18-1
19. CONSULTATION AND COORDINATION
19-1
19.1 Fish and Wildlife
Coordination19-1
19.1.1 Fish and
Wildlife Coordination Act19-1
19.1.2 Endangered
Species Act19-1
19.1.3 State Agency
Coordination19-2
19.2 Cooperating
Agency Involvement 19-3
19.3 List of Environmental
Commitments 19-3
19.4 Distribution
List 19-4
20. COMPLIANCE REQUIREMENTS
20-1
20.1 Federal 20-1
20.2 State 20-2
20.2.1 State
Requirements Discussed in the Final EIS/EIR 20-2
20.2.2 State Requirements
Enacted Since the Final EIS/EIR 20-4
20.3 Local 20-5
21. MITIGATION MONITORING
PROGRAM 21-1
22. PREPARERS OF EIS/EIR
22-1
23. REFERENCES 23-1
23.1 Literature
Cited 23-1
23.2 Personal
and Other Communications 23-6
Tables
- ES-1 Summary
Comparison of Impacts ES-3
- 2-1 VAMP
Target Flows and Existing Flows 2-4
- 2-2 Division
of VAMP Pulse Flow Water, up to 110,000 Acre-Feet
2-5
- 2-3 Tuolumne
River Providing 47,000 Acre-Feet of Supplemental
Water 2-5
- 2-4 Merced River
Providing 47,000 Acre-Feet of Supplemental Water
2-6
- 2-5 Comparison
of No Action and Proposed Action Alternatives
2-7
- 3-1 Surface
and Groundwater Use by Willing Sellers 3-2
- 4-1 Summary
of Predicted Changes in Flow for the Tuolumne
and Merced Rivers and Impacts to New Melones
Reservoir from a 71-year Hydrologic Model Analysis
of VAMP Conditions
- 4-2
VAMP Supplemental Water 4-13
- 5-1 Summary
of Groundwater Conditions in the San Joaquin
River Region 5-3
- 6-1 Special-Status
Wildlife Species that May Occur in the Project
Area 6-4
- 7-1 Sensitive
Fish Species in the San Joaquin River Basin
7-3
- 7-2
Average Percent Changes for Rivers with April/May
Project Compared with Base Case by Water Year
Type 7-11
- 7-3 Predicted
Changes in Flow for the Tuolumne and Merced
Rivers from a 71-Year Hydrologic Model Analysis
of VAMP Conditions 7-15
- 8-1 Population
Growth, 1990-1999 8-2
- 8-2 City
Populations, 2000 8-2
- 8-3 Population
Density, 1999 8-3
- 8-4 Annual
Average Industry Employment, March 1999 Benchmark
8-4
- 8-5 Agricultural
Land and Irrigated Acreage, 1997 8-5
- 8-6 Irrigation
Applied Water Use in the San Joaquin River Region,
1985 to 1990 8-6
- 9-1 End-of-Month
Reservoir Elevations, Water Years 1999 and 2000
9-5
- 9-2 Comparison
of Historical Reservoir Values to the No Action
and Project Alternatives 9-6
- 10-1
Reservoirs With Recreation Use 10-1
- 10-2
Recreation Impact Assessment for New Don Pedro
Reservoir, End-of-Month Elevations for May 10-6
- 10-3
Recreation Impact Assessment for New Don Pedro
Reservoir, End-of-Month Elevations for September
10-7
- 10-4
Recreation Impact Assessment for the Tuolumne
River 10-9
- 10-5
Recreation Impact Assessment for Lake McClure,
End-of-Month Elevations for May 10-10
- 10-6
Recreation Impact Assessment for Lake McClure,
End-of-Month Elevations for September 10-11
- 10-7
Recreation Impact Assessment for the Merced
River 10-12
- 11-1
Hydroelectric Power Facilities Located on the
Lower Tuolumne River 11-1
- 11-2
Hydroelectric Power Facilities Located on the
Lower Merced River 11-2
- 11-3
Change in Energy Production for New Don Pedro
Reservoir with April Releases, Affected Months
Only 11-5
- 11-4
Change in Energy Production for New Don Pedro
Reservoir with May Releases, Affected Months
Only 11-6
- 11-5
Change in Energy Production for Exchequer (Lake
McClure) with April Releases, Affected Months
Only 11-7
- 11-6
Change in Energy Production for Lake McClure
with May Releases, Affected Months Only 11-8
- 14-1 Summary
of Cumulative Impacts 14-8
- 22-1 List
of Technical and Support Personnel 22-1
Figures
2-1
Map of San Joaquin Valley project Area and Vicinity
2-3
4-1 Change in Carryover Storage in Don Pedro Reservoir
for April and May (Supplemental Flows provided by
Tuolumne River) 4-14
4-2 Change in Carryover Storage in Don Pedro Reservoir
for April and May (Supplemental Flows provided by
Tuolumne River) 4-15
4-3 Change in Carryover Storage in Lake McClure
for April and May (Supplemental
Flows provided by Merced River) 4-16
4-4 Change in Carryover Storage in Lake McClure
for April and May (Supplemental
Flows provided by Merced River) 4-17
Appendices
- Supplemental Hydrologic
Analysis of San Joaquin River Agreement
Abode Acrobat Reader is required to view this
file.
- Responses to Comments
B1. Responses
to Comments
B2. Revisions
to SEIS/EIR
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