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Regional Report San Joaquin River Hydrologic Region

Regional Report San Joaquin River Hydrologic Region. San Joaquin River Hydrologic Region. Watersheds and Water Sources. Local Surface Water Development Imports & Exports (State, Federal) Groundwater Recycled Water. San Joaquin River Hydrologic Region Applied Water Uses.

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Regional Report San Joaquin River Hydrologic Region

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  1. Regional ReportSan Joaquin River Hydrologic Region

  2. San Joaquin River Hydrologic Region

  3. Watersheds and Water Sources • Local Surface Water Development • Imports & Exports (State, Federal) • Groundwater • Recycled Water

  4. San Joaquin River Hydrologic Region Applied Water Uses Source: California WaterPlan Update 2005

  5. San Joaquin River Hydrologic Region Water Supplies Source: California WaterPlan Update 2005

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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.

  11. 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

  12. IRWM Projects

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