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INDUSTRY DAY Borrego Valley Groundwater Basin Groundwater Sustainability Plan

October 28, 2016

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Background

Sustainable Groundwater Management Act (SGMA)

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Statewide Areas Affected by SGMA

• 127 basins ranked medium or high priority

• Basins required to be

sustainably managed by local public agencies

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San Diego County SGMA Basins

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State-Mandated Deadlines

Deadline Action

June 30, 2017 Formation of Groundwater Sustainability Agencies (GSAs)

January 31, 2020 Adoption of Groundwater Sustainability Plans (GSPs) Critically Overdrafted Basins

January 31, 2022 Adoption of Groundwater Sustainability Plans (GSPs) All Other Basins

20-Year Implementation Period

Implementation of Groundwater Sustainability Plans (GSPs)

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GSAs in Borrego Valley

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Borrego Valley – Basin Boundary Adjustment

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Borrego Valley – Critically Overdrafted

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USGS Report

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Groundwater Sustainability

What is Sustainable Groundwater Management? Manage groundwater to prevent the following:

• Chronic lowering of groundwater levels • Reduction of groundwater storage • Seawater intrusion • Degraded water quality / contaminant plume migration • Land subsidence • Depletions of interconnected surface water

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Groundwater Sustainability Plan Components DWR Released GSP Guidelines in May 2016 • Physical Description of Basin

• Measureable Objectives and Interim Milestones

• Water Budget/Model

• Planning and Implementation Horizon

• Monitoring and Ongoing Management

• Relationship Between GSP and General Plan

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Additional GSP Components for Borrego Valley • Water Credits/Entitlements

• Water Quality Sampling/Analysis

• Cost/Benefit Analysis

• Court Validation

• Financing Plan

• Public Outreach

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Stakeholder Involvement

• Agriculture • Business/Education • BWD Ratepayers • Domestic Well Users • Education • Environmental • Fire & Safety • Golf Courses • Tourism/Resorts

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New Authorities to GSAs

• Register/Meter Groundwater Wells

• Measure Extractions and Water Levels

• Require Extraction/Water Level Reports

• Set Well Extraction Limitations/Mitigate Against

Overdrafts

• Assess Fees

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GSP Emergency Regulations http://www.water.ca.gov/groundwater/sgm/gsp.cfm

Information about SGMA

http://www.water.ca.gov/cagroundwater/

USGS Hydrogeologic Report for Borrego Valley https://pubs.er.usgs.gov/publication/sir20155150

County of San Diego SGMA Website

http://www.sandiegocounty.gov/pds/SGMA.html

References

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BuyNet

All suppliers interested in doing business with the County of San Diego must register on BuyNet:

https://buynet.sdcounty.ca.gov/ Register for BuyNet UNSPSC codes 70171505, 77121709, 77100000, and 81100000. Check the website periodically. Questions should be submitted via e-mail to the Contracting Officer:

Cynthia.Lerma@sdcounty.ca.gov