WGC 2022 - Agenda

BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022 SEPTEMBER 19-21, 2022 | SACRAMENTO

Page 2BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022 SEPTEMBER 19-21, 2022 SACRAMENTO Thank you to all of our Artesian Sponsors & Artesian Aquifer Exhibitors!

SEPTEMBER

19-21, 2022 | SACRAMENTO

GROUNDWATER CONGRESS 2022

BUILT FOR CHANGE

WESTERN

We made a concentrated effort this year to expand the content of the conference beyond traditional topics, touching on policy, DEI, technology, data, finance, and economics. This broadened content speaks to the theme, Built for Change. We have a diverse range of speakers and panelists that consists of water agencies, regulators, consultants, and vendorsall individuals on the leading edge of their areas of expertise - to provide robust networking, dialogue, and engagement for all attendees.

To close out the conference, we will have a panel of leaders and innovators in the water industry explore the question “what does the future of water look like and what solutions need to be considered to successfully achieve sustainable groundwater for all?” and how we are all Built for Change to successfully achieve sustainable groundwater for all.

Howdy and welcome to the Groundwater Resources Association’s Fifth Western Groundwater Congress (WGC)! We are so delighted to have you attend and we think you’ll find this year’s WGC special in multiple ways that aligns well with our theme this year, Built for Change.

If you see me running around the conference, please don’t hesitate to say hello to myself or any other Board member you come across. We are a fun, dedicated group of people who are all passionate about advancing the resilience and equity of groundwater management. I sincerely hope you find great value in attending the WGC and if you’re not a member of GRA, consider becoming one to help us achieve sustainable groundwater for all!

WELCOME!

Erik Cadaret, GRA Board Member and 2022 WGC Planning Chair

Page 3 BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022

It’s GRA’s 30th year anniversary and there’s so much to celebrate! We will be opening the WGC with a panel consisting of founding members and past presidents of GRA to discuss how GRA formed, explore our 30-year history, discuss how GRA has been Built for Change, and how the groundwater industry has evolved since GRAs founding in 1992. We also will have a 90’s themed 30th Anniversary Reception, so make sure to dust off your 90’s attire, bring it to the WGC, and get ready to celebrate!

Page 4BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022 SEPTEMBER 19-21, 2022 SACRAMENTO

GRA would like to thank all our Sponsors and Exhibitors!

WildeyeConfluenceBlaineBalanceAqaixHydrologicsBasinLogixBESST,Inc.TechServices,Inc.BrownsteinEnvironmentalFieldServicesDanielB.Stephens&Associates,Inc.DudekEKIEnvironment&Water,Inc.EllingsonDTDEnvironmentalDefenseFundERAEconomicsEurofinsSacramentoEvonikGEIConsultants,Inc.GeocentricDrillingIncGeoSystemsAnalysis,Inc.GreggDrillingLLCGregoryDrilling,IncGSIEnvironmentalGSIWaterSolutionsInc.Haley&AldrichHortauINTERAKISTERSNorthAmericaLarryWalkerAssociatesLREWaterMontgomery&AssociatesOrangeCountyWaterDistrictOREIntelPaceAnalyticalLaboratoryProvectusEnvironmentalProductsProvost&PritchardConsultingGroupRambollRealworldSystemsREGENESISRoscoeMossManufacturingCompanyS.S.Papadopulos&Associates,Inc.SCICONSULTINGGROUPSonomaWaterTrueBlueAestusTersusToddGroundwaterValleyWaterWaterReplenishmentDistrictWeissAssociatesWellntelWestYost-FarmandIrrigationMonitoringWoodard&Curran

Rosemary Knight, Stanford University

Timothy K. Parker, PG, CEG, CHG, Ramboll

Moderator: Jeff Davis, Integral

Page 5 BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022

MONDAY, SEPTEMBER 19

Grab some coffee and a snack and join us for the new Standing 7-minute Workout - get your blood pumping in between all these amazing educational sessions!

Jared D. Abraham, Aqua Geo Frameworks LLC

Kristen Marberry, Collier Geophysics, LLC

From Airborne ElectroMagnetic Date to Groundwater Management

The opening keynote will take the form of a panel that will be facilitated by GRA's Past President, Abigail Madrone. Panelists will include GRA past presidents/board members Vicki Kretsinger (Founding GRA President), Brian Lewis (Founding Member), and Tom Mohr (Past President). The panel will explore GRAs 30-year history, how GRA was Built for Change, and how GRA and the groundwater industry has evolved since GRAs founding in 1992.

SessionsConcurrentAM11:55-AM10:00

CONGRESS

Full Conference Agenda

WESTERN GROUNDWATER 2022

7:00 AM - 5:00 PM

Presenters:

9:15 AM - 9:55 AM

SEPTEMBER 19-21, 2022 | SACRAMENTO

10:00 AM - 11:55 AM Concurrent Sessions (All Concurrent Sessions are at the Hyatt)

Rapid Mapping of Aquifers, Confining Units and Potential MAR sites Using a Towed Cart Time-Domain Electromagnetic Induction System

Registration & Continental Breakfast (Breakfast available 7:00 AM-8:00 AM) (Convention Center – West Lobby)

Snack Break & Standing 7-minute Workout /Networking with the Exhibitors (Convention Center Hall A)

NEAR-SURFACE GEOPHYSICS FOR GROUNDWATER RESOURCES APPLICATIONS (Regency Ballroom A)

Near-Surface Geophysics for Groundwater Resources Applications session will explore various near-surface geophysical tools and techniques being applied to improve hydrogeologic characterization and groundwater conditions assessments.

Scale-Dependent Use of EM for Geophysical Mapping of Managed Aquifer Recharge: From Airborne Electromagnetic (AEM) Surveys to Ground-Based Towed EM Surveys

Welcome/Intro/Opening Keynote (Convention Center – Hall A)

8:00 AM - 9:15 AM

BUILT FOR CHANGE

Geophysics to Hydrogeologic Conceptualization – Proven Workflows

Construction and Use of a Numerical Water Quality model to assess Basin-scale Impacts of Recycled Water Use and Recharge on Groundwater TDS Concentrations

Seawater Intrusion Uncertainty: Salinas Valley Coast Gregory Nelson, Montgomery & Associates

Richael Young, ERA Economics

Moderator: Roohi Toosi, A-Tech Consulting

Moderator: Savannah Tjaden, Provost & Pritchard Consulting Group

Building a Strategic Data Roadmap for GSP Implementation covers topics critical when planning the data and DMS infrastructure for successful GSP implementations. It starts with the general process of planning a data roadmap, and then covers the importance of identifying specific goals and outcomes the roadmap must deliver. It also looks at what data-driven decision making can accomplish and finishes with an example of partnering across agencies to implement a data roadmap.

PROTECTING AND MANAGING GROUNDWATER QUALITY (Regency Ballroom B)

Samantha Adams, West Yost

Presenters:

Protecting Groundwater Quality While Replenishing Aquifers Taylor Broadhead, Sustainable Conservation

Moderator: Jim Strandberg, Woodard & Curran

Dynamic linkages between aquifer development and groundwater quality in California’s Central Valley Zeno Levy, US Geological Survey

Josh Uecker and Frank Qian, Woodard & Curran

Networking Lunch (Convention Center Hall A)

Intensive water use and management of groundwater in southern California is driving changes in natural fluoride concentrations Jennifer Harkness, U.S. Geological Survey California Water Science Center

SessionsConcurrentAM11:55-AM10:00

Presenters:

Chris Lee, REGENESIS

Sponsored by

An understanding of contaminant hydraulics, particularly how quickly groundwater contaminants are migrating and what factors affect their mobility, is critical for successful risk assessment and remedial design. The Contaminant Hydrology session will explore new tools and methods to calculate and measure key parameters that directly control contaminant mobility in the subsurface.

CONTAMINANT HYDROLOGY (Regency Ballroom C)

BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022 SEPTEMBER 19-21, 2022 SACRAMENTO Page 6

Geochemical Characterization to Evaluate the Fate and Transport of Uranium, Thorium, and Radium in a MSW Landfill Brad Bessinger, S.S. Papadopulos & Associates, Inc.

BUILDING A STRATEGIC DATA ROADMAP FOR GSP IMPLEMENTATION (Regency Ballroom E-F)

Hiroko Hort, GSI Environmental Inc

Protecting and Managing Groundwater Quality session will focus on GSP implementation as it relates to Groundwater Quality. Speakers will be presenting on tools that can be used to understand the linkages between groundwater basin management and groundwater quality and offer suggestions as to measures that can be implemented to protect groundwater quality.

Presenters:

How Partnerships in Regional Data System Can Benefit Resource Management while Reducing Costs

Beyond the Numbers: The Future of Sustainable Groundwater Management Through Data-Driven Implementation

Sierra Ryan, County of Santa Cruz

12:00 PM - 1:30 PM

A Comparison of In Well Flux Tools to Conventional Approaches to Determine Groundwater Flow for Successful Design of In Situ Treatment Zones

Estimation of groundwater pumping using transfer function approach

Goal-Based Groundwater Allocation Design

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It can be applied as a stand-alone remedy or combined with a Monitored Natural Attenuation (MNA) approach to manage PFAS and eliminate PFAS exposure risk.

Presenters:

Moderator: Michael Gardner, Aqaix

Reducing SGMA Implementation Costs for Disadvantaged Groundwater Basins by Automating Workflows Douglas (Gus) Tolley, Daniel B. Stephens & Associates, Inc.

Financing SGMA implementation can be daunting, especially for smaller GSAs. Financing SGMA and Groundwater Projects session covers current trends in funding for GSP implementations, some of the issues that arise when trying to charge for groundwater and looks at how reducing costs for DACs may be part of the puzzle. It also looks at the benefits of using groundwater modeling, especially for building community acceptance and buy in.

Filling near-stream data gaps to better represent local stream-aquifer dynamics with a regional groundwater flow model to identify reaches of interest Andrew Calderwood, Larry Walker Associates

FINANCING SGMA AND GROUNDWATER PROJECTS (Regency Ballroom A)

Presenters:

INNOVATIVE CONTAMINANT ASSESSMENT AND REMEDIATION TECHNIQUES (Regency Ballroom C)

Pilot Scale In Situ Treatment of Chlorinated Solvent Source Zone - Treatment Performance and Injection Design Assessed With Compound-Specific Isotope Analysis (CSIA)

1:35 PM - 3:30 PM Concurrent Sessions (All Concurrent Sessions are at the Hyatt)

SessionsConcurrentPM3:30-PM1:35

Surface Water and Groundwater Interaction – A Critical Data Gap Max Halkjaer, Ramboll

Groundwater Management for Environmental Resources session will focus on groundwater basin management for environmental resources, including GDEs and interconnected surface waters. Presenters will discuss methods for filling data gaps, monitoring approaches and tools that can be used to understand the connection between groundwater basin management and environmental resource

Moderator: Dan Nunez, REGENESIS Remediation

Moderator:management.AbhishekSingh, INTERA Incorporated

Every contaminated site presents a set of unique challenges for contaminant assessment and remediation. The Innovative Contaminant Assessment and Remediation Techniques session presents new remediation methods and tools to evaluate the performance of remediation and introduce sustainability as a new metric in remedial design.

Monitoring and modeling streamflow depletion in an ecologically sensitive area. Steven Humphrey, INTERA Incorporated

Sustainability in Groundwater Remediation

From 'free to fee': The challenges of charging groundwater users Andy Rodgers, West Yost

GROUNDWATER MANAGEMENT FOR ENVIRONMENTAL RESOURCES (Regency Ballroom B)

Yue Rong, California Regional Water Quality Control Board

Jacob Gallagher, Ellingson Companies

Numerical modeling to evaluate impacts of orchard nutrient management on nitrate in a shallow alluvial aquifer Hanni Haynes, University of California, Davis

Page 8BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022 SEPTEMBER 19-21, 2022 SACRAMENTO

Tyson Fulmer, AWR

Show Me the Money! Current Trends in Funding for GSP Implementation Ryan Aston; John Bliss, SCI Consulting Group

Presenters:

Development of a Deployable Vadose Zone Model for First-Order Insights on Infiltration Gallery Installations in the Vicinity of Known Soil Gas Plumes

Michael Hannon, INTERA Incorporated

Introduction to HRX Wells® - An Innovative New Horizontal Well Design for Passive, In-Situ Treatment of a Wide Range of Groundwater Contaminants

Utilizing groundwater models to ease community concerns related to land use changes Clayton Sorensen, Balance Hydrologics

Page 9 BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022

Dan Bryant, Woodard & Curran

Anona Dutton, EKI Environment & Water, Inc.

The number of PFAS compounds, the diversity in their chemical properties, the lack of standards to measure many of them in the environment, and their potential transformation in the environment, all pose a daunting array of challenges for remediation to drinking water goals and standards. Part 2 of Emerging Contaminants and Treatment session combine innovative methods for analysis, assessment, and remediation of PFAS in groundwater.

OpenET: Remote Sensing Innovations for Sustainable Water Management

Christopher Heppner, EKI Environment & Water, Inc

Advancements in Numerical Groundwater Modeling and Decision Support Tools session will explore recent advancements in numerical groundwater modeling and decision support tools and techniques and their applications in groundwater management

Moderator: Dan Bryant, Woodard & Curran

Using Lines of Evidence to Assess the Effectiveness of Innovative PFAS Treatment Technologies

Where the Rubber hits the Road – Overview of the Demand Management Approaches that are being Incorporated into SGMA Implementation Efforts

Presenters:

ADVANCEMENTS IN NUMERICAL GROUNDWATER MODELING AND DECISION SUPPORT TOOLS (Regency Ballroom E-F)

EMERGING CONTAMINANTS AND TREATMENT I (Regency Ballroom C)

Progress Towards In-Situ Remediation of PFAS and 1,4-Dioxane: Powder-Activated Carbon Promotes Persulfate Activation to Degrade PFOA and 1,4-Dioxane at Groundwater Temperatures

Modeling Aquifer Storage and Recovery: Tailoring Complexity to the Needs of Operators and Regulators Neil Deeds, INTERA Incorporated

Robyn Grimm, Environmental Defense Fund

Moderator:planning. Mesut Cayar, Woodard & Curran

John Merrill, Geosyntec Consultants

With the release of Governor Newsom’s “California’s Water Supply Strategy, Adapting to a Hotter, Drier Future” in August – California Water Leaders are all-in on investing in new sources, and transforming water management. Join GRA Directors Christy Kennedy and Lyndsey Bloxom in a “reverse panel” format and get warmed up for happy hour with a lively discussion of what’s in the 16-page strategy, the play for groundwater, and how you, GRA members, fit into the call for action. We will utilize the audience as our experts in gaining insight into key questions resulting from the Water Supply Strategy’s charge to our industry and will complete a short breakout group activity on key nexus topics of groundwater and recycled water. Share out and audience input will be used to inform the next round of Water Research Foundation’s research project development and advocacy areas to bridge with our affiliates at ACWA and other cooperating agencies. Come lend your expertise, your voice, your support and make a new friend leading up to happy hour.

Facilitators: Christy Kennedy, Woodard & Curran and Lyndsey Bloxom, The Water Research Foundation

PROJECTS AND MANAGEMENT ACTIONS IMPLEMENTATION (Regency Ballroom A)

Optimization of Surface Water Diversions through Operational Modeling

Moderator: Anona Dutton, EKI Environment & Water, Inc.

Water Management Decision Support using Innovative Applications of Integrated Surface Water-Groundwater Models Liz DaBramo & Mesut Cayar, Woodard & Curran

SessionsConcurrentPM3:30-PM1:35

Projects and Management Actions Implementation session will explore various Projects and Management Actions (P&MAs) proposed to achieve long-term sustainability within existing GSPs and the challenges associated with P&MA implementation at local, regional, and statewide levels.

3:30 PM - 3:55 PM

Snack Break/Networking with the Exhibitors (Convention Center – Hall A)

4:00 PM - 5:00 PM Concurrent Mini-Sessions (All Concurrent Sessions are at the Hyatt)

ONE WATER “REVERSE” PANEL DISCUSSION: GROUNDWATER’S ROLE IN A HOTTER, DRIER FUTURE (Regency Ballroom B)

Texture2Par: A Parsimonious Hydraulic Parameter Estimation Utility for IWFM and MODFLOW Leland Scantlebury, UC Davis

Join us as we head back to the ‘90s to celebrate GRA’s 30-year anniversary

Presenters:

CCE - Filling the Reservoir of Resilience Tara M. Mertz, West Yost

So, tell me what you want, what you really really want!

WATER DATA SECURITY AND PRIVACY (Regency Ballroom E-F)

Ensuring security of data and operations is critical to successful implementation of a groundwater sustainability plan. Water Data Security and Privacy session covers of best practices for secure Consequence-driven Cyber-informed Engineering (CCE) and what's possible when technology can be used to automate processes, provide a private stakeholder dashboard, and speed up the compliance reporting process. Ensuring security of data and operations is critical to successful implementation of a groundwater sustainability plan. Water Data Security and Privacy session covers of best practices for secure Consequence-driven Cyber-informed Engineering (CCE) and what's possible when technology can be used to automate processes, provide a private stakeholder dashboard, and speed up the compliance reporting process.

BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022 SEPTEMBER 19-21, 2022 SACRAMENTO Page 10

William Rice, UC Davis / Larry Walker Associates

30th Anniversary Reception (Convention Center – Hall A)

Do you have a favorite ‘90s jam you want to hear at the 30th Anniversary Reception? Scan the QR code below to drop your request!

FIVE P.M. to EIGHT P.M.

Moderator: Douglas (Gus) Tolley, Daniel B. Stephens & Associates, Inc.

It’s time to pull out your Nirvana t-shirt and flannel, your bucket hat and overalls (with one strap undone, of course…) or maybe even your yellow plaid “Clueless” suit! We’ll play some games, rock some tunes, and have a hella good time!

Roscoe Moss Company

Automation and Groundwater Sustainability Plans: Paperless Field Data Collection, Continuous Sensor Telemetry, Private Stakeholder Dashboards, and Semi-Automated Reporting

Sponsored by

Stormwater Management for Recharge in the Chino Groundwater Basin, Southern California Andy Campbell, Inland Empire Utilities Agency

Mississippi River Delta Aquifers and Conservation Efforts for Sustainability Walt Delp, USDA Natural Resources Conservation Service

Groundwater management is growing challenge, and managers have much to gain from looking at practices and approaches in other areas and locations. Western Perspectives on Groundwater session compares approaches to groundwater management in a number of regions across the western US, covering a variety of urban, rural, and regulatory contexts.

The adoption of the Sustainable Groundwater Management Act in 2014 foretold a wave of coming groundwater right adjudications. That wave is building now. The attorney panelists will discuss the way in which SGMA, and the following comprehensive groundwater adjudication statutes, have changed the groundwater adjudication landscape, lessons that can be learned from the initial adjudications under this new framework, and what improvements they might suggest.

Stopping 100 years of Arkansas groundwater overuse with data, conservation, and infrastructure Edward C. Swaim, Bayou Meto Water Management District

Women Advancing Women for the Good of Water: Career and life lessons, perspectives, stories, and inspiration from current and emerging women leaders in water (Regency Ballroom A) This Workshop will feature a curated panel of public and private sector emerging and established women leaders. Following the panel discussion attendees will participate in breakout sessions to allow for more personal and safe dialogue amongst participants with GRA's DEI Committee Facilitators.

Facilitator: Abigail Madrone, West Yost

GaryModerator/Speaker:M.Gin,R.G.(LRE Water)

Page 15 BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022

How to adequately address undesirable results of groundwater use, such as impacts on drinking water wells and land subsidence. While eliminating overdraft is central to SGMA, it is not the only sustainability requirement. Improving data coordination, methods, and management approaches within a basin; Fleshing out supply and demand management actions to bring basins into balance; Developing sustainable management criteria with all beneficial uses and users in mind.

Late last year, the California Department of Water Resources (DWR) released their second round of assessments of Groundwater Sustainability Plans (GSPs) that were submitted for Critically-Overdrafted basins. This workshop will review some of DWR's letters that deemed plans deficient. The panelists will discuss common themes among and proposed resolutions to the deficiency determinations Some of the common issues that will be discussed are:

2:00 PM - 3:30 PM Concurrent Workshops (All Concurrent Workshops are at the Hyatt)

Overcoming Challenges in GSP Approvals/Revisions (Regency Ballroom C)

WorkshopsConcurrentPM3:30-PM2:00

KevinPanelists:McGillicuddy, Roscoe Moss Company Edd Schofield, Johnson Screens Mike Schnieders, P.G., Water Systems Engineering Who Should Hydrogeologists,Attend:Water Resource Managers/Planners, Municipal Managers/Operators, Well-Field Operators, Drillers/Pump Contractors, and Engineers

ASR Challenges and New Opportunities (Regency Ballroom B) This workshop will entail two presentations followed with an open session for Q&A.

PaulPanelists:Gosselin – Deputy Director, SGMA, DWR

KamiePanelists:Loeser, Director of Water and Resource Conservation, Butte County Lisa Turturro, Principal, Haley & Aldrich Marina Deligiannis, Deputy Director, Lake County Water Resources Department Jessican Law, Executive Director, The Water Forum

Part 1: What happens when an ASR well is severely clogged and what approaches would you implement to reduce / limit clogging? This presentation will detail the recharge operations at ASR Well #302 that lead to well rehabilitation activities. Biofouling on the well screen was considered the main clogging constituent, however, during well rehabilitation efforts, the presence of residual drilling muds was identified as the main clogging constituent (97 cubic feet developed out of the ASR well). Recharge efficiency improved 134-108% from the clog event. Participants in this session will be reminded that certain activities can be conducted during the well construction and development phases that will improve the operational efficiency of ASR wells.

Part 2: The drilling business and the practices employed in drilling boreholes has evolved impacting conventional well development methods. A growing percent of amendments are being added to drilling fluids including natural and engineered materials. The presence and detection of these additives has led to the identification of residual drilling fluids in newly constructed potable water supply and Aquifer Storage and Recovery (ASR) wells. The presence of residual drilling fluids has a negative impact on well productivity and produced water quality, as well as the ability to recharge supplies into the aquifer (COP ASR Well #302). These remnant fluids can impact the well and its usefulness for years. The challenge then becomes effectively targeting these fluids while reducing the impact on the well structure, especially the stainless steel well screen 304 or 316L. We will summarize our testing protocols and provide insights on how oxidative chemistries impact the remnant fluids and the stainless (304 and 316L) steel well screen and drilling muds (2010 and 2022 samples). Implementing new development methods will promote smarter/efficient development strategies that will result in improving operations for both pumping groundwater and recharging resources into aquifers.

LauraModerator:Yraceburu, Brownstein Hyatt Farber Schreck, LLP

Lisa Porta P.E., Senior Water Resources Engineer, Montgomery and Associates

Air & Mud rotary drilling 101mm Coring system & soil sampling Casing hammer Reverse dual tube Flooded reverse Well installations to 1500ft Well development Pump testing CPT & seismic CPT Instrumentation installation Haley & Aldrich’s environmental and engineering consultants build relationships that last because we deliver the value our clients seek Our services: • Construction • Contaminated site management • EHS compliance • ESG and sustainability • Geotechnical engineering • Lean consulting • Resilience • Water resources haleyaldrich.com

Deepening Considerations for Listed Species in Groundwater Dependent Ecosystems (GDEs) Karlee Liddy, University of California, Santa Cruz. Anticipated graduation in 2023

4:00 PM - 5:15 PM

Mike Gardner, AQAIX

Delivering Practical and Pragmatic Technology Innovation in Groundwater (Regency Ballroom E-F)

Page 17 BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022

PeteModerator:Nassos, Mazarine Ventures

Snack Break/Networking with the Exhibitors (Convention Center – Hall A)

GROUNDWATERX (Convention Center – Hall A)

An Investigation of Factors Affecting MODFLOW Simulations of Managed Aquifer Recharge Daniel Acevez, California State University, Humboldt. Graduated in 2021

ChrisPanelists:Sosnowski, Waterly/WaterClick

Improved Site Characterization with tTEM for Studies of Nitrate Mobilization at Recharge Sites Javier Peralta, Stanford. Anticipated graduation in 2023

Harnessing the Power of Geophysical Imaging to Recharge California’s Groundwater Seogi Kang, Stanford. Postdoctoral researcher

The Pulse of an Aquifer Wesley Neely, Stanford. Postdoctoral researcher

WorkshopsConcurrentPM3:30-PM2:00

Branch Reception & Poster Session (Convention Center – Hall A) Join us for a casual night of networking with exhibitors, colleagues from regional branches throughout the state and make sure you check out the amazing Poster Presentations as well!

The GroundwaterX workshop provides students and recent graduates (within past 12 months), who are conducting research related to groundwater, an opportunity to present their research to a diverse audients of water industry professionals. The presentation portion of GroundwaterX is a TEDx style event consisting of 3- to 5-minute presentations with slides. After the presentations there will be individualized and accessible networking and direct access to prospective employers who are actively hiring.

5:15 PM - 7:00 PM

Johnny Pujol, SimpleLab

Over the last decade there has been a wealth of digital innovations that allow for unprecedented visibility into well health and groundwater trends. However, many of these innovations have only been of real use to the large municipalities, academics, and regulators due to their complexity and cost. This discussion will focus on how some of these innovations now are evolving into simple and easy-to-deploy solutions available to even the smallest utility, allowing them to manage their groundwater risk more effectively.

Using borehole geophysical logs to map groundwater total dissolved solid patterns in the Cat Canyon Oil Field, Santa Barbara County, California Christian Hoover, California State University, Sacramento. Anticipated graduation in 2024

Exploring groundwater resource vulnerability and water security in Quintana Roo, Mexico Maria Iglesias-Thome, Oregon State University. Anticipated graduation in 2023

3:30 PM - 3:55 PM

The Limited Supply of the Los Osos Basin Avery Reiter, California Polytechnic University, San Luis Obispo, and Los Osos Sustainability Group. Anticipated graduation in 2024 Comparing Ground-Based and Remote Sensing Measurements as Inputs to the Water Budget in Butte County Michael Morphew, Stanford. Anticipated graduation in 2023

Integration of Airborne Electromagnetic and InSAR data into a Groundwater Model; example from the Kaweah Subbasin Meredith Goebel, Stanford. Postdoctoral researcher

Combining ISCR & Antimethanogenic Reagents to Achieve Substantial CVOC Reduction

Mapping regional-scale hydrogeology across California Ahmad-Ali Behroozmand

Claire Kouba

Andy Lowy

Restoring Local Recharge Sources from Invasive Dreissenid Mussels

Ian Gottschalk

Development of a Well Vulnerability Decision Support Tool

Page 18BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022 SEPTEMBER 19-21, 2022 SACRAMENTO

Costs for SGMA Implementation – Part 2 – 2022 Submittals Rodney Fricke

Multi-objective assessment of a stakeholder-defined portfolio of groundwater and stream management actions in an agricultural basin

Christine Pham

Stacked Dynamic Flow and Water Chemistry Profiling of Long Screened Test Wells: Delineation of flow and water chemistry in pilot and slim hole borings to reduce the risk of constructing potable supply wells that fail on the basis of water chemistry.

In-situ Remediation Program Paves Way for the Redevelopment of a Brownfield Site in Santa Clara County California John Freim

A Review of and Lessons Learned from the Water Budgets in the First Round of Groundwater Sustainability Plans

Rethinking Specific Storage: A new approach to estimating confined aquifer storage in the Central Valley Matthew Lees

SCOTUS Ruling on the Functional Equivalent of a Direct Discharge – Maui Updated: Summary of Case Histories and Potential Technical Approaches for FEDD Determination Timothy K. Parker, PG, CEG, CHG

Applications of Data Analyses Techniques

Monitoring Methodologies and Underrepresented Community/Tribal Technical Assistance for Groundwater Construction Projects Funded by DWR

Katrina Arredondo

Kicking the Can Up the Hill: How SGMA Can Help Resolve the Disconnect in California’s Treatment of Surface Water and Groundwater Interconnectivity

Jean Moran (and students Jake Harm and Christina Flora)

Using Health Insurance Records to Assess the Impacts of NitrateContaminated Groundwater in the San Joaquin Valley Matthew Lees

Amir Mani

Advanced Geophysics, Zone Testing, and Well Profiling in Design of a 2 MGD Injection Well Erik Gaiser

Gerald O'Neill

Injection of High-Purity Oxygen into Groundwater to Enhance Bioremediation and Increase LNAPL Recovery at an Active Commercial Port in Southern California

POSTER PRESENTATIONS

Kristyn Lindhart

Electrical Hydrogeology for Water Supply Management in a Dolomite Aquifer

Noah Heller

Using models to support GSP implementation: The role of sensitivity analysis in data gap reduction

Understanding surface water/groundwater interactions in a basin with significant data gaps

Caryn L. O'Neil

Local Development under Climate Change: Evaluating Tradeoffs Between Water Sustainability and Affordable Housing for Communities in California's Central Coast Ruth Langridge

Ryan Fulton

Ali Taghavi

1D Compaction Modelling to Understand Depths and Timescales of Subsidence – A Case Study in the Kaweah Subbasin Margariete Malenda

Development and Application of a GIS Tool for Screening-level Assessment of PFAS Transport Raghu Suribhatla

Beyond the statewide airborne electromagnetic (AEM) surveys: the value of acquiring infill geophysical data

Annual Report Automation in Groundwater Sustainability Plans: Benefits and Pitfalls

The Role of Modeling in California Groundwater Sustainability Planning

Chris Sosnowski

Christopher Martinez & Derek Cheung

Kyle Spears

Parallel Projects to Fill Data Gaps in Groundwater Sustainability Plans

From Invisible to Visible: Digitizing Groundwater Data

James T. MCord

Dunnigan Area Groundwater Recharge Demonstration and Pilot Project

Devin Pritchard-Peterson

Vivek Bedekar

Marian Co-Founder mjsinger@wellntel.com or visit at

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y s C o m m u n i t y O u t r e a c h R a t e & F e e S t u d i e s P r o p o s i t i o n s 2 1 8 & 2 6 E x p e r t i s e B a l l o t i n g S e r v i c e s C o n t a c t U s www.sci-cg.com info@sci-cg.com (800) 273-5167 S e r v i n g P u b l i c A g e n c i e s F o r O v e r 3 5 Y e a r s

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Charles PhD, VP Hydrology cpdunning@wellntel.com

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John jccoyne@wellntel.com 936-443-5696

Dunning,

www.wellntel.com Proprietary, Real-Time Sensors Simple, leveltelemetrynon-invasive,connectedwater-sensorsforproduction & monitoring wells PrecipitationInstantaneous&TotalizedFlow GroundwaterSurface Water Centralized, Cloud-Based Analytics Platform Streamlines data aggregation, analysis and reporting Any Sensor or Water Data Type Manual measurements, nonWellntel sensors and private APIs as well as trusted public sources

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S C I h a s w o r k e d i n g r o u n d w a t e r b a s i n s a c r o s s C a l i f o r n i a , c o n t r i b u t i n g f u n d i n g s t r a t e g i e s t o G r o u n d w a t e r S u s t a i n a b i l i t y P l a n s , i n i t i a t i n g f e e p r o g r a m s , i m p l e m e n t i n g c o m m u n i t y o u t r e a c h , a n d c o n d u c t i n g p u b l i c o p i n i o n s u r v e y s . O u r e x p e r i e n c e p r o v i d e s u s w i t h a c o m p r e h e n s i v e a b i l i t y t o s e c u r e s t a b l e , l o n g - t e r m f u n d i n g f o r p u b l i c a g e n c i e s u n d i n g G S P I m p l e m e n t a o u b l i c O p i n i o n S u r v e

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G r o u n d w a t e r S u s t a i n a b i l i t y

Coyne, Director of Business Development

Singer,

is a groundwater resource technology company creating a more sustainable future for industry, agriculture and communities in California

Wellntel

pioneering water stewardship

MANAGING SUBSIDENCE (Regency Ballroom B)

Registration & Continental Breakfast (Breakfast available 7:00 AM - 8:00 AM) (Convention Center – West Lobby)

Managing Subsidence session will focus on managing groundwater basins to minimize inelastic subsidence. Speakers will focus on tools for understanding the linkages between groundwater extraction and use and subsidence impacts and provide insights as to the types of studies and monitoring that can be conducted to better understand those linkages.

Jeff Davis, Integral Consulting

Groundwater Augmentation with Recycled Water – Lesson Lessons Learned from Recent Case Studies

Measuring, Modeling, and Managing Subsidence in the Central Valley - Lessons learned from a Critically Overdrafted Basin Abhishek Singh, INTERA Incorporated

SessionsConcurrentAM9:55-AM8:00

Including Natural Source Zone Depletion in Risk and Benefit Considerations for Alternative Cleanup Levels at Large LNAPL and Petroleum Hydrocarbon Site Rick Ahlers, P.E., GEI Consultants, Inc.

State of Managed Aquifer Recharge session will explore the current state of Managed Aquifer Recharge (MAR) projects throughout the state and present opportunities and challenges associated with implementing various MAR project types (e.g., Flood-Mar, Ag-MAR, ASR, Moderator:etc.).

Geochemical Compatibility Considerations in Managed Aquifer Recharge in California

Filling in Data Gaps before Focused Remediation—Three Case Studies John Sankey, True Blue Technologies

SUCCESSFUL REMEDIATION AND LESSONS LEARNED (Regency Ballroom C)

Page 20BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022 SEPTEMBER 19-21, 2022 SACRAMENTO

The ultimate measure of success for a remediation project is to achieve site closure. Site closure is often an elusive goal, but it is possible with proper development and consideration of the conceptual site model, reasonable cleanup objectives, and innovative approaches to achieve those objectives. Successful Remediation and Lessons Learned session includes several case studies illustrating successful remediation and lessons learned along the way to success.

WEDNESDAY, SEPTEMBER 21

Brad Bessinger, S.S. Papadopulos & Associates, Inc.

Subsidence impacts and Groundwater Sustainability

STATE OF MANAGED AQUIFER RECHARGE (Regency Ballroom A)

Moderator: Ahmad-Ali Behroozmand, Ramboll

Chin Man W. Mok, GSI Environmental Inc

Moderator: Clayton Sorensen, Balance Hydrologics

SubsidencePresenters: Models and Adaptive Management of Land Subsidence in the Chino Groundwater Basin, California Eric Chiang, West Yost

Presenters: USDA-NRCS Groundwater Recharge Pilot Program

Gregory R. Norris, USDA-Natural Resources Conservation Service

Presenters:

Ali Taghavi, Woodard & Curran Controversy, Chaos, and Conflict Surrounding Managed Aquifer Recharge Projects: Lessons Learned Maria Gibson-Daugherty, American Aquifers

8:00 AM - 9:55 AM Concurrent Sessions (All Concurrent Sessions are at the Hyatt)

Combined Remedies Approach Tackles Large DNAPL Chlorinated Solvent Site Mike Mazzarese, AST Environmental, Inc.

7:00 AM - 10:30 AM

Classifying InSAR Data to Attribute Deformation in the Central Valley to Hydrologic Processes Seogi Kang, Geophysics Department, Stanford University

Closure in California is Achievable: Successful Remediation of Chlorinated Solvents in Groundwater and Soil via Combined Technologies of ISCO and SVE Bruce Marvin, Geosyntec Consultants

Page 21 BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022

Snack Break & Standing 7-minute Workout /Networking with the Exhibitors (Convention Center – Hall A)

Presenters:

Understanding the array of approaches and tools can help GSAs pick the ones best suited for their specific context and needs. SGMA Implementation and Tools session looks at how demand management and surface water substitution can benefit sustainable management, as well as the benefits of modeling groundwater levels and groundwater-surface water interactions.

WESTERN GROUNDWATER CONGRESS 2022 SEPTEMBER 19-21, 2022 | SACRAMENTO

Charles Johnck (YWA), Jim Blanke (W&C), Yuba Water Agency, Woodard & Curran Sacramento Valley Groundwater-Surface Water Simulation Model (SVSim) Chris Bonds, California Department of Water Resources

Ellen Bruno, University of California, Berkeley

Estimating Groundwater Levels with Machine Learning Andrew Rich, Sonoma Water

SessionsConcurrentAM9:55-AM8:00 BUILT

The closing general session will take the form of a panel that will be facilitated by GRA's Vice President, Christy Kennedy. Presenters include Cristina Ahmadpour (Isle Utilities), Joone Kim-Lopez (Moulton Niguel Water District), and Greg Gearhart (California State Water Resources Control Board) who are leaders and innovators in the water industry. This panel will explore what does the future of water and what solutions need to be considered to successfully achieve sustainable groundwater for all? We’ll hear our panelist’s insights on thought provoking questions around data transformation and its connection to our hotter, drier future; and we’ll hear from the audience too with “agree” and “disagree” cards that will be given to all session attendees. Stretch your mind to think about “Will we still utilize groundwater models in the future once we have sensor data connected to AI?”, and “What would it look like for Google or Netflix to run your groundwater bank?”. FOR CHANGE

A Statewide Assessment of SGMA Implementation: The How, Where, and Why of Demand Management

Closing General Session (Convention Center – Hall A)

10:30 AM - 12:00 PM

Grab some coffee and a snack and join us for the new Standing 7-minute Workout - get your blood pumping in between all these amazing educational sessions!

Moderator: Garret Rapp, West Yost

9:55 AM

Predictive Management of Groundwater Substitution Program in Yuba Basin Using Real-Time Data, Modeling and Economic Indicators

SGMA IMPLEMENTATION AND TOOLS (Regency Ballroom E-F)

NOTES

BUILT FOR CHANGE WESTERN GROUNDWATER CONGRESS 2022 SEPTEMBER 19-21, 2022 SACRAMENTO Page 22

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NOTES

Sustainably managing groundwater since 1933 ocwd.com

ORANGE COUNTY WATER DISTRICT

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