11

Regional ReportRegional Report

San Joaquin River San Joaquin River Hydrologic RegionHydrologic Region

22

San Joaquin River Hydrologic RegionSan Joaquin River Hydrologic Region

33

Watersheds and Water SourcesWatersheds and Water Sources

Local Surface Water DevelopmentLocal Surface Water Development

Imports & ExportsImports & Exports(State, Federal)(State, Federal)

GroundwaterGroundwater

Recycled Water Recycled Water

44

San Joaquin River Hydrologic RegionSan Joaquin River Hydrologic RegionApplied Water UsesApplied Water Uses

Source: California WaterPlan Update 2005

55

San Joaquin River Hydrologic RegionSan Joaquin River Hydrologic RegionWater SuppliesWater Supplies

Source: California WaterPlan Update 2005

66

Regional Supply Challenges/Actions

Surface Water: Concern over the long-term availability of external supplies; concern over the long-term stability of the existing surface water supplies.

Restoring Ecosystem: Restore the ecosystem along the San Joaquin River below Friant Dam while maintaining water supply reliability for other purposes.

Integrity of Sacramento-San Joaquin levee system

Groundwater

77

Regional Water Management Planning

California Water Plan

50 Urban Water Management Plans

Prop. 50 & 84 Integrated Regional Water Management Plans

Groundwater Management Plans (AB 3030)

City & County General Plans (SB 221/610)

Court actions

Other regional and sub regional plans on water rights, water quality, ESA, contracts/transfers, and flood control

88

Climate Change

Temperature increase

Snowpack decrease

River runoff timing and magnitude changes

Effects on water rights

Water supply change

Water use increase

Water temperature increase increase dam releases for temperature control for species

Tidal effects threat to delta islands and supply facilities relocation or modification of outfall facilities

99

Flood Management

National Flood Insurance Program FEMA Floodplain Map Modernization Local ordinance updates, technical assistance

Flood Subventions Project funding available from Propositions 1E and 84

FloodSafe California Develop and implement regional flood management to protect

communities

Proposition 1E Flood control subventions Stormwater flood management Flood protection corridors and bypasses

1010

Region Accomplishments

Development of a Comprehensive plan for the flood management system of the Sacramento and San Joaquin River regions.

Development of the Vernalis Adaptive Management Plan as a 10-year test program.

Upper San Joaquin River Basin Storage Investigation.

Farmington Groundwater Recharge and Seasonal Habitat Program.

South San Joaquin County Surface Water Supply Project – various Cities & South San Joaquin Irrigation District to plan for a water treatment plant on the Stanislaus River.

1111

Looking to the Future

Evaluate new local surface storage projects and investigations for water storage development.

Implement groundwater conjunctive use projects.

Increase efforts on water use efficiency & water recycling programs.

Urban expansion.

IRWM

1212

IRWM Projects