Draft 2025 Urban Water Management Plan

Table of Contents

Section

Page

SECTION 1 EXECUTIVE SUMMARY...................................................................................1-1

1.1 GROUNDWATER BASIN CONDITIONS.....................................................................1-2

1.2 WATER BUDGET .......................................................................................................1-6

1.3 WATER RESOURCE MONITORING PROGRAMS.....................................................1-7

1.4 GROUNDWATER MANAGEMENT PROGRAMS........................................................1-7

1.5 NOTICE AND COMMUNICATION ..............................................................................1-9

1.6 SUSTAINABLE BASIN MANAGEMENT......................................................................1-9

1.6.1 Sustainable Management: Water Levels................................................. 1-10

1.6.2 Sustainable Management: Basin Storage ............................................... 1-10

1.6.3 Sustainable Management: Water Quality ................................................ 1-12

1.6.4 Sustainable Management: Seawater Intrusion........................................ 1-12

1.6.5 Sustainable Management: Land Subsidence .......................................... 1-13

1.6.6 Sustainable Management: Depletion of Interconnected Surface Waters 1-13

1.7 PROTOCOLS FOR MODIFYING MONITORING PROGRAMS.................................1-13

1.8 EVALUATION OF POTENTIAL PROJECTS .............................................................1-13

1.9 CONCLUSION ..........................................................................................................1-14

SECTION 2 AGENCY INFORMATION .................................................................................2-1

2.1 HISTORY OF OCWD ..................................................................................................2-1

2.2 GOVERNANCE AND MANAGEMENT STRUCTURE .................................................2-2

2.3 LEGAL AUTHORITY ...................................................................................................2-2

2.4 BUDGET .....................................................................................................................2-3

SECTION 3 MANAGEMENT AREA DESCRIPTION.............................................................3-4

3.1 OCWD MANAGEMENT AREA....................................................................................3-4

3.2 GROUNDWATER CONDITIONS ................................................................................3-7

BASIN 8-1 ALTERNATIVE 2022 UPDATE

Table of Contents

Appendix F - 60