www.slocounty.ca.gov

In t e gra t e d Wa t e r Re s o u rce Ma n a ge m e n t in t h e

Fa ce o f Clim a t e Ch a n geREGIONAL WATER QUALITY CONTROL BOARD

CENTRAL COAST REGIONDECEMBER 6, 2018

Presented byMladen Bandov, Water Resources Engineer

Department of Public Works, County of San Luis Obispo

www.slocounty.ca.gov

• Integrated Regional Water Management (IRWM) Planning Act of 2002

• San Luis Obispo County IRWM Plan was adopted in 2005 and upda ted in 2007 and 2014

• Next p lan upda te will be com ple ted ea rly 2019 to m ee t Ca liforn ia Departm ent of Wate r Resources (DWR) requ irem ents

www.slocounty.ca.gov

Intent of the IRWM Plan

To create a united framework among San Luis Obispo County stakeholders for

sustainable water resource management

www.slocounty.ca.gov

• 29 loca l agencies and nonprofit organ iza tions

• County of San Luis Obispois the RWMG Lead Agency

Regional Water Management

Group (RWMG)

www.slocounty.ca.gov

• The IRWM Plan m ust address both adaptation to the e ffects of clim ate change and mitigation of GHG em issions [WATER CODE §10541(E)(10)]

Key upda tes:

• Vulnerab ility assessm ent accord ing to DWR’s Climate Change Handbook for Regional Water Planning

• List of p rioritized vu lne rab ilitie s

IRWM 2016 Pla n St a n d a rd s

www.slocounty.ca.gov

1. Lite ra tu re Review

2. Key Ind ica tors

3. Iden tify Vulne rab ilitie s

4. Prioritize Vulne rab ilitie s

Vu ln e ra b ilit yAs s e s s m e n t

www.slocounty.ca.gov

Water Dem and

• Clim ate -sensitive crops

• In-stream flow requ irem ents

Wate r Supply

• Coasta l aqu ife rs

• Groundwate r recharge

• Drought

Wate r Quality

• Alga l b loom s• Sa lin ity • Lower

d issolved oxygen

Sea Leve l Rise

• Coasta l in frastructure

• Coasta l hab ita ts

Flooding

• Flood protection in frastructure

• Wildfire sed im enta tion

Ecosystem & Habita t Hea lth

• Clim ate -sensitive hab ita ts

• Environm enta l wate r dem and

Hydropower

• Hydropower facilitie s

• Energy needs

Vu ln e ra b ilit ySu r ve y

January 4 – 19, 2018

www.slocounty.ca.gov

Vu ln e ra b ilit ySu r ve y Re s u lt s

& Dra ft As s e s s m e n t January 24, 2018

www.slocounty.ca.gov

Id e n t ifica t io n Wo r k s h e e t Pr io r it iza t io n Wo r k s h e e t

St a k e h o ld e r Clim a t e Ch a n ge Wo r k s h o pJanuary 31, 2018

www.slocounty.ca.gov

Vu ln e ra b ilit y Pr io r it iza t io n

RWMG Me e t in g o n Clim a t e Ch a n ge Se ct io n Up d a t e sFebruary 7, 2018

www.slocounty.ca.gov

IRWM Pla n Ob je ct ive s

RWMG Me e t in g o n Clim a t e Ch a n ge Se ct io n Up d a t e sFebruary 7, 2018

1. Changes in runoff and recharge

2. Sea level rise effects on water supply conditions

3. Reduce energy consumption

4. Strategies of CARB Scoping Plan

5. Carbon sequestra tion & renewable ene rgy

www.slocounty.ca.gov

RWMG Me e t in g o n Clim a t e Ch a n ge Se ct io n Up d a t e sFebruary 7, 2018

Resource Management Strategies (RMS) for GHG Mitigation:

1. Energy Efficiency

2. Emissions Reduction

3. Carbon Sequestration

www.slocounty.ca.gov

IRWM Pla n – Pro je ct Im p le m e n t a t io n Lis t Up d a t eAugust – October 2018

Example of scored project:City of Pismo Beach’sCentral Coast Blue

www.slocounty.ca.gov

• SWRP requ ired to fund stormwater & dry weather runoff capture projects from sta te gran ts [WATER CODE §10563]

Key upda tes:

• Fina l d ra ft SWRP to be subm itted to SWRCB in Decem ber 2018

• Quantita tive ana lysis of m ultip le bene fit p rojects

St o r m w a t e r Re s o u rce Pla n

www.slocounty.ca.gov

Mu lt ip le Be n e fit An a lys is fo r St o r m w a t e r Pro je ct s

1. Wate r Quality

2. Wate r Supply

3. Flood Managem ent

4. Environm ent

www.slocounty.ca.gov

Ad a p t ive p ro ce s s fo r IRWM a n d s t o r m w a t e r r e s o u rce

p la n n in g e ffo r t s

• Area of vu lne rab ility

• Im pacts in physica l se tting

• Regiona l p rioritie s and ob jectives

• Resource m anagem ent stra tegies

• Projects to he lp adap t and reduce im pacts