Santa Cruz Mid-County Groundwater Basin ......2019/11/21 · SaSanta Cruzuz Capitolapitola SSoquell ApAptotos La S Selelvava BBeach Santa Cruz Mid-County Groundwater Sustainability

S anta Cruz M id- Count y Groundwater Bas in G R O U N D WAT E R S U S TA I N A B I L I T Y P L A N

Novemb er 2019

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Santa Cruz Mid-County Groundwater Sustainability Plan

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ACKNOWLEDGEMENTS

SANTA CRUZ MID-COUNTY GROUNDWATER AGENCY BOARD MEMBERS

Curt Abramson, Private Well Owner Rep. Dr. Tom LaHue, SqCWD Director David G. Baskin, Water Commissioner

City of Santa Cruz John Leopold, Supervisor

County of Santa Cruz Dr. Bruce Daniels, SqCWD Board President Robert Marani, CWD Director

Zach Friend, Supervisor County of Santa Cruz

Cynthia Mathews, Council Member City of Santa Cruz

Jon Kennedy, Private Well Owner Rep. Marco Romanini, CWD Director James Kerr, Private Well Owner Rep.

GROUNDWATER SUSTAINABILITY PLAN ADVISORY COMMITTEE MEMBERS

Kate Anderton, Environmental Jon Kennedy, Private Well John Bargetto, Agriculture Jonathan Lear, At Large

David Baskin, City of Santa Cruz Marco Romanini, CWD Director Rich Casale, Small Water System Management Allyson Violante, County of Santa Cruz

Keith Gudger, At Large Thomas Wyner for Cabrillo College, Dr. Bruce Jaffe, SqCWD Director Institutional

Dana Katofsky McCarthy, Rate Payer

MEMBER AGENCY STAFF

Soquel Creek Water District General Manager Ron Duncan and staff City of Santa Cruz Water Department Director Rosemary Menard and staff County of Santa Cruz Water Resources Director John Ricker, Sierra Ryan and staff Central Water District District Manager Ralph Bracamonte

PLANNING, TECHNICAL, & FACILITATION SUPPORT

Regional Water Management Foundation: Tim Carson, Laura Partch, Darcelle Pruitt Montgomery & Associates: Georgina King, Cameron Tana, Derrik Williams Kearns & West: Eric Poncelet, Cici Vu

The Santa Cruz Mid-County Groundwater Agency gratefully

acknowledges the funding contribution from the California

Department of Water Resources. Funding for this project

has been provided in part from the Water Quality, Supply,

and Infrastructure Improvement Act of 2014 and through an

agreement with the Department of Water Resources.


ACKNOWLEDGEMENTS

TECHNICAL ADVISORY COMMITTEE (TAC) MEMBERS AND OTHER PARTICIPANTS

TAC MEMBERSHIP

Bruce Daniels, Ph.D. President, Soquel Creek Water District Board - Hydroclimatology, Climate

Change

Andrew Fisher, Ph.D. University of California, Santa Cruz - Professor, Hydrogeology. UC Water

Security and Sustainability Research Initiative (UC Water)

Barry Hecht Balance Hydrologics – Principal Geomorphologist, Hydrogeologist, Surface Water-

Groundwater Interactions

Brian Lockwood, PV Water – General Manager, Hydrologist Robert Marks, Pueblo Water Resources, Inc. - Principal Hydrogeologist, Consultant to City of Santa Cruz

MODELING TEAM

Pascual Benito, Montgomery and Associates - Senior Hydrogeologist

Sean Culkin, formerly Montgomery and Associates - Senior Hydrogeologist

Hanieh Haeri, Montgomery & Associates - Engineering Hydrologist

Justin Huntington, Huntington Hydrologic, Desert Research Institute - PRMS and GSFLOW

setup

John Mejia, Montgomery & Associates – Hydrologist, Desert Research Institute, climate

downscaling

Georgina King, Montgomery and Associates - Senior Hydrogeologist Cameron Tana ,Montgomery and Associates - Principal Hydrologist Linda Woolfenden, US Geological Survey - GSFLOW experience

TAC MEETING PARTICIPANTS:

Shawn Chartrand, Balance Hydrologics - Principal Geomorphologist, Hydrologist, consultant to

City of Santa Cruz

Nick de Sieyes, private well owner at invitation of Central Water District

Jon Kennedy, MGA Board member, private well representative Eric Poncelet, MGA GSP facilitation team

Joel Smith, subconsultant to City of Santa Cruz on climate futures

MGA PARTICIPANTS:

Ralph Bracamonte, Central Water District – General Manager

Tim Carson, Regional Water Management Foundation, Program Director

Brice Dahlmeier, Soquel Creek Water District – Associate Engineer

Taj Dufour, Soquel Creek Water District - Engineering Manager

Ron Duncan, Soquel Creek Water District - General Manager

Heidi Luckenbach, City of Santa Cruz Water Department - Deputy Water Director/Engineering

Manager

Rosemary Menard, City of Santa Cruz Water Department - Water Director

mailto:[email protected]:[email protected]:[email protected]


Melanie Mow Schumacher, Soquel Creek Water District - Special Projects, Communication

Manager

Darcelle Pruitt, Regional Water Management Foundation - Senior Planner

John Ricker, Santa Cruz County Health Services Agency, Environmental Health – Water

Resources Division Director

Sierra Ryan, Santa Cruz County Health Services Agency, Environmental Health – Water

Resources Planner

Isidro Rivera, City of Santa Cruz Water Department - Associate Civil Engineer

SURFACE WATER WORKING GROUP PARTICIPATING ORGANIZATIONS

California Department of Fish and Wildlife – Randi Adair, Stephanie Holstege, John Jankowitz,

Michelle Leicester, and Monica Oey

California Department of Water Resources (DWR) – Amanda Peisch Derby

City of Santa Cruz – Ezekiel Bean, Chris Berry, and Chris Coburn

Environmental Defense Fund (EDF) – Christina Babbitt, Sarah Fakhreddine, Maurice Hall, and

Anthony Saracino.

Friends of Soquel Creek – Carla Christensen

GSP Advisory Committee – Kate Anderton, Keith Gudger, Dr. Bruce Jaffe, Jon Lear, Marco

Romanini, and Allyson Violante

Montgomery & Assoc. (MGA Technical Consultants) – Georgina King and Cameron Tana

The Nature Conservancy (TNC) – Melissa Rohde

National Marine Fisheries Service (NMFS, formerly NOAA Fisheries) – Darren Howe, Rick

Rogers, William Stevens, and Andres Ticlavilca

Pajaro Valley Water Management Agency (PV Water) – Brian Lockwood and Casey Meusel

Resource Conservation District SCC (RCD) – Lizzy Eichorn and Lisa Lurie

Santa Cruz County – Kristen Kittleson, John Ricker, and Sierra Ryan

Regional Water Management Foundation – Darcelle Pruitt

US Fish and Wildlife Service – Chad Mitcham

Thank you to all of the community members who participated in public meetings,

information sessions, and various MGA events. Your input helped to shape this Plan.


SIGNATURE PAGE

The Santa Cruz Mid-County Groundwater Sustainability Plan was prepared under the direction

of a professional geologist licensed in the state of California as required per California Code of

Regulations, Title 23 Section 354.12 consistent with professional standards of practice.

Georgina M. King

P.G. No. 8023, C. HG. No. 874


ACRONYMS

AFY .................acre-feet per year

AMBAG ...........Association of Monterey Bay Area Governments

AMR ................Automated Meter Reading

amsl .................above mean sea level

ASR .................aquifer storage and recovery

Basin ...............Santa Cruz Mid-County Groundwater Basin

bgs ...................below ground surface

BIG ..................Basin Implementation Group

BMP .................Best Management Practices

CASGEM .........California Statewide Groundwater Elevation Monitoring

CCA .................California Coastal Act

CDP .................Coastal Development Permit

CEC .................Constituent of Emerging Concern

CEQA ..............California Environmental Quality Act

CESA ...............California Endangered Species Act

cfs ....................cubic feet per second

CGMA ..............Cooperative Monitoring/Adaptive Groundwater Management Agreement

CGPS ..............Continuous Global Positioning System

CGS .................California Geological Survey

CNDDB ............California Natural Diversity Database

County .............Santa Cruz County

CUPA ..............Certified Unified Program Agency

CWD ................Central Water District

DAC .................disadvantaged community

DDW ................State Water Resources Control Board, Division of Drinking Water

DoD .................Department of Defense

DTW ...............Depth to water

DWR ...............California Department of Water Resources

DWSAP ...........Drinking Water Source Assessment and Protection

EDF .................Environmental Defense Fund

EH ...................Environmental Health

EIR ..................Environmental Impact Report (under CEQA)

EIS ...................Environmental Impact Study (under NEPA)

EPA .................U.S. Environmental Protection Agency

ESA .................Endangered Species Act

ET ....................evapotranspiration

ft/d ...................feet per day

ft/yr ..................feet per year

ft2/d ..................square feet per day

ft msl ................feet above mean sea level

GCM ................global circulation model

GDE .................Groundwater Dependent Ecosystems


GIS ..................geographic information system

GMP ................Groundwater Management Plan

gpd/ft ...............gallons per day per foot

gpm .................gallons per minute

GPS .................global positioning system

GSA ................Groundwater Sustainability Agency

GSFLOW .........Groundwater and Surface-water Flow model

GSP ................Groundwater Sustainability Plan

GWE ...............Groundwater Elevation

HCM ................hydrogeologic conceptual model

IRWM ..............Integrated Regional Water Management

JPA ..................Joint Powers Agreement

LUFT ...............leaking underground fuel tank

MAMP ..............Monitoring and Adaptive Management Plan

MAR ................managed aquifer recharge

µg/L .................microgram per liter

mg/L ................milligrams per liter

MGA ...............Santa Cruz Mid-County Groundwater Agency

MGA Model .....MGA integrated groundwater and surface water model

MMP ................Monitoring and Mitigation Program

MODFLOW .....Modular Finite-difference Flow model

MRMP .............Mitigation Monitoring and Reporting Program

MTBE ..............methyl tertiary-butyl ether

NEPA ...............National Environmental Policy Act

NGVD 29 .........National Geodetic Vertical Datum of 1929

NMFS ..............National Marine Fisheries Service

NRCS ..............Natural Resources Conservation Service

ºC .....................degrees Celsius

ºF .....................degrees Fahrenheit

PET .................potential evapotranspiration

PFAS ...............per- and polyfluoroalkyl substances

ppm .................parts per million

ppt ...................parts per trillion

PRMS ..............Precipitation-Runoff Modeling System

PUC .................Public Utilities Commission

PV Water .........Pajaro Valley Water Management Agency

QA/QC ............quality assurance / quality control

RCD .................Resource Conservation District of Santa Cruz County

RMP ................representative monitoring point

RP ...................reference point potential evapotranspiration

RPE .................reference point elevation

SCADA ...........Supervisory Control aAnd Data Acquisition

SCWD .............City of Santa Cruz Water Department

SFR .................Streamflow-Routing

SGMA .............Sustainable Groundwater Management Act

SLIC ............... Spills-Leaks-Investigations-Cleanup


SMC ................Sustainable Management Criteria

SMGWA ..........Santa Margarita Groundwater Agency

SqCWD ...........Soquel Creek Water District

SSURGO .........Soil Survey Geographic Database

SWRCB ...........State Water Resources Control Board

TAC .................Technical Advisory Committee

TCP .................1,2,3-trichloropropane

TDS .................total dissolved solids

TNC .................The Nature Conservancy

UCMR ..............Unregulated Contaminant Monitoring Rule

USEPA ............U.S. Environmental Protection Agency

USGS ..............U.S. Geological Survey

USDA ..............U.S. Department of Agriculture

UST .................underground storage tank

UWMP .............Urban Water Management Plan

UZF ................ unsaturated-zone flow

VOC .................volatile organic chemical

WAAP ..............Wasteload Allocation Attainment Program


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Santa Cruz Mid-County Groundwater Basin ......2019/11/21 · SaSanta Cruzuz Capitolapitola SSoquell ApAptotos La S Selelvava BBeach Santa Cruz Mid-County Groundwater Sustainability