2026 WA GIS Conference: Full Schedule

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8:00am PDT

Registration and Refreshments

Thursday May 21, 2026 8:00am - 8:30am PDT

Meydenbauer Center

Get checked in for the conference and enjoy morning refreshments including coffee and tea, pastries, and fruit.

Thursday May 21, 2026 8:00am - 8:30am PDT
Meydenbauer Center 11100 NE 6th St, Bellevue, WA 98004, USA

Conference

8:30am PDT

Kayak-Based Citizen Science: Mapping Real-Time Water Temperature in Puget Sound with GIS

Thursday May 21, 2026 8:30am - 9:00am PDT

409

EcoTrackrs is a GIS-driven citizen science initiative by EarthViews Conservation Society designed to address a critical gap in nearshore monitoring: the lack of high-resolution, spatially distributed water temperature data in Puget Sound. Existing monitoring systems are often fixed or coarse in scale, limiting their ability to capture localized variability driven by climate change, shoreline complexity, and urban impacts.

This project uses kayaks as mobile data collection platforms, enabling access to shallow and complex nearshore environments that are difficult to monitor using traditional methods. Volunteer kayakers are equipped with temperature sensors and a custom mobile app to collect synchronized GPS and temperature data in real time. These data are processed and visualized using Esri tools, including ArcGIS Online and Experience Builder, creating an interactive and publicly accessible map.

As a proof of concept, the pilot generated over 4,600 geolocated temperature data points across multiple locations in Puget Sound, demonstrating both feasibility and scalability.

This presentation will outline the full workflow from kayak-based data collection to GIS visualization, as well as key lessons learned in sensor selection, app development, and volunteer engagement. It will also highlight how this approach complements existing agency monitoring by providing fine-scale, flexible datasets that can inform climate resilience and waterway management.

EcoTrackrs demonstrates how GIS-enabled, community-driven data collection can expand monitoring capacity, improve spatial resolution, and support more responsive environmental decision making.

Speakers

Brian Footen

Director/Expedition Lead, EarthViews Conservation Society

Brian Footen is the Co-Founder and Executive Director of EarthViews Conservation Society, where he directs the application of GIS and immersive mapping technologies to protect waterways across Washington State and the Western U.S. With over 20 years of experience working with Tribal... Read More →

Thursday May 21, 2026 8:30am - 9:00am PDT
409

Environment, RT Mapping

8:30am PDT

Hexagon Content Program – off-the-shelf aerial ortho imagery and elevation data

Thursday May 21, 2026 8:30am - 9:00am PDT

403

The HxGN Content Program, Hexagon’s aerial data program, offers the largest library of aerial imagery and elevation data across the United States. Hexagon designs and integrates airborne sensors, schedules and flies aerial missions, as well as processes the data using optimized software to the highest levels of photogrammetric and radiometric quality. This presentation provides highlights of the Content Program and focuses on some of the applications of the data.

Speakers

Rob Eadie

Partner Manager, Hexagon

Rob Eadie joined the Hexagon Content Program in 2021 as Partner Manager. Rob has spent his entire career in the geospatial industry working in the areas of aerial/satellite photogrammetry, satellite remote sensing, airborne LIDAR and IFSAR mapping, with a variety of roles in production... Read More →

Thursday May 21, 2026 8:30am - 9:00am PDT
403

Sponsor, Imagery

8:30am PDT

A Tale of Two Experience Builders: Migrating Tacoma's Map Applications

Thursday May 21, 2026 8:30am - 9:00am PDT

401-402

Two of the City of Tacoma's most foundational and complex web map applications are the Equity Index and Staff DART (an internal, "kitchen-sink" application). Over the course of 2025, we migrated both of these highly customized applications to Esri's Experience Builder. We’ll share how we preserved core functionalities, enhanced design and usability, and improved performance. Along the way, we will also highlight key lessons learned, technical challenges, and practical insights to support others considering migrating similar complex application solutions.

Speakers

Alicia Bradshaw

Senior GIS Analyst, City of Tacoma

Alicia Bradshaw is a Senior GIS Analyst at the City of Tacoma where her primary role is to curate the City’s GIS data. She has 10 years of GIS-related experience ranging from research about brownfield redevelopment in Michigan to stormwater education and public transportation planning... Read More →

Idalis Laboy Cintron

GIS Analyst, City of Tacoma

Idalis Laboy Cintron is a GIS Analyst for the City of Tacoma with 8 years of experience in the GIS industry, where she manages the City’s authoritative spatial data, ensuring it supports internal operations and public-facing applications. Her experience also extends to vector tiles... Read More →

Thursday May 21, 2026 8:30am - 9:00am PDT
401-402

Technology, ExB

8:30am PDT

The Notebook: [Python] has always been enough

Thursday May 21, 2026 8:30am - 9:00am PDT

407-408

A love letter, or rather, 365 love letters to the Python Notebook. This presentation will cover the when, where, and how to use Python Notebooks; gotchas to watch out for and quality of life tweaks to make; lastly, preserving your romance for your future self through effective version control.

Speakers

Jordan Carmona, GISP

GIS Solutions Supervisor, County of Pierce

Jordan Carmona is a GIS Supervisor, whose team is responsible for GIS application development and infrastructure within the Spatial Services unit at Pierce County, Washington. He began working professionally in 2014 and has worked in a variety of sectors: private consulting, municipal... Read More →

Thursday May 21, 2026 8:30am - 9:00am PDT
407-408

Technology, Python

9:00am PDT

Using GIS to calculate geomorphological change in a river system over time

Thursday May 21, 2026 9:00am - 9:30am PDT

409

We used ArcGIS Pro to determine channel migration over time in a river system in North Dakota. The discipline of geomorphology has defined parameters that describe river migration, but there are no accepted methodologies for measuring these parameters in the real world. Using GIS, we came up with unique methodologies, some built on published papers and others built from scratch. The result is a suite of methodologies that are replicable across projects and multiple years of analysis. We used these methodologies to calculate the change over time in several geomorphological characteristics, including bend amplitude and wavelength, average river width, meander belt width, sinuosity, and meander migration. This presentation will describe these characteristics and the GIS methods used in our calculations. Of note is the method used to calculate meander migration, for which we successfully replicated a methodology written by Joon Heo et al. in 2009, using least squares regression analysis.

Speakers

Katie Messick

GIS Analyst/Staff Scientist, WEST Consultants, Inc.

Katie Messick holds master’s degrees in GIS and Forestry from the University of Washington and has been using GIS in her work for 25 years. She has spent the last 10 years as a GIS Analyst and Staff Scientist at WEST Consultants, Inc., which is a small water resources engineering... Read More →

Thursday May 21, 2026 9:00am - 9:30am PDT
409

Environment, Geomorphology

9:00am PDT

‘My Job Would be Impossible Without GIS!’ GIS Makes the Impossible Possible

Thursday May 21, 2026 9:00am - 9:30am PDT

403

In conducting various GIS return on investment studies, I utilize the ‘with versus without’ GIS ROI methodology developed by Professor Richard Zerbe of the University of Washington Evans School of Public Administration. With this methodology we ask GIS users to estimate how much time it would take them to do their job tasks without GIS. Although most users can conceptualize an answer to this question, with surprising frequence GIS users say that they cannot. They claim that ‘my job would be impossible without GIS.’
This presentation breaks down what this means and how indeed we can develop an answer to the question. GIS professionals should grasp both the underlying power of GIS and the powerful message that GIS-Power provides society. GIS makes the impossible possible!

Speakers

Greg Babinski, MA, GISP, EthicalGEO Fellow

GIS Management Consultant, GIS Management Consulting Services LLC

Greg Babinski is a GIS management consultant and founder of GIS Management Consulting Services LLC and the GIS Management Academy™, located in Edmonds, Washington. Between 1998 and 2021 he served as GIS Manager, GIS Finance Manager, and GIS Marketing & Business Development Manager... Read More →

Thursday May 21, 2026 9:00am - 9:30am PDT
403

Sponsor, Advocacy

9:00am PDT

The Power of Digital Twins: From Complex Data to Operational Insights.

Thursday May 21, 2026 9:00am - 9:30am PDT

401-402

Digital Twins will not visit your in-laws while you stay home and watch Netflix. They do, however, have many other uses including automated precise measurement, asset management, and immersive realistic visualization. This presentation will discuss concepts and examples of digital twins in both built and natural systems. From data collection to spatial analyses and operational integration, this presentation will provide a conceptual overview to help attendees understand how digital twins can support their specific requirements regardless of application.

Speakers

Mischa Hey

Analytics Practice Lead, NV5 Geospatial

Mischa Hey is the Analytics Practice Lead at NV5G and has 25 years of experience developing applied geospatial solutions. With a broad understanding of remote sensing technologies and exceptional technical abilities, Mischa leads the field in the development and deployment of biophysical... Read More →

Thursday May 21, 2026 9:00am - 9:30am PDT
401-402

Technology, Digital Twin

9:00am PDT

Using Native SQL Geometry for Cloud-Ready, Lightning-Fast Overlays

Thursday May 21, 2026 9:00am - 9:30am PDT

407-408

Serving high volume, complex reports that require querying dozens of GIS layers for a single parcel is a major performance hurdle. Our Districts and Development Conditions Report simultaneously queries nearly 60 layers, which has the potential to severely impact application performance. This session details the architectural overhaul we implemented to overcome this challenge without changing the core query structure. Our key improvements were optimizing the underlying data storage by moving to the native SQL Server geometry type and using spatial SQL queries.

Speakers

Fred Lott

GIS Developer, King County

Fred is with the Geo Engineering team of the King County GIS Center and focuses on application development and data analysis.

Harkeerat Kang

GIS Engineer, King County

Harkeerat Kang is a GIS professional with over 25+ years of experience working in public sector. Her focus mostly has been on designing, implementing, integration of systems, application development and solution architecting.

Thursday May 21, 2026 9:00am - 9:30am PDT
407-408

Technology, SQL

9:30am PDT

Spatial patterns of foraging activity in endangered killer whales shift with changes in Chinook salmon abundance

Thursday May 21, 2026 9:30am - 10:00am PDT

409

Critically endangered Southern Resident killer whales (SRKW) rely heavily on Chinook salmon as their primary food source. Declining salmon stocks, coupled with vessel noise and habitat degradation, are pushing the population towards an extinction vortex. By integrating 20 years of SRKW behavioral research with a regional Chinook salmon index, we developed spatial models to compare whale distribution and behavior in the waters of the U.S. San Juan Islands and Canadian Southern Gulf Islands during periods of varying prey abundance. GIS allowed us to harmonize disparate datasets and visualize habitat use relative to static management boundaries. We found that in low salmon years, foraging became more diffuse and shifted beyond their historical core summer habitat, highlighting potential mismatches between dynamic ecological processes and fixed conservation zones. Our approach demonstrates how GIS can inform adaptive, transboundary management. SRKW survival and recovery depends on international collaboration and safeguarding of habitat.

Speakers

Kimberly Nielsen

Research Associate, Oceans Initiative

Kimberly is a marine ecologist driven by a deep commitment to using science to support conservation. Her work has taken her from the Northeast Pacific to Antarctica, studying how highly mobile species like cetaceans respond to environmental and anthropogenic change.

She is currently a Research Associate with the non-profit Oceans Initiative, where she contributes to a broad range of applied conservation research. Her work spans field-based data collection, spatial and statistical modeling, and scientific writing, with a focus on translating data... Read More →

Thursday May 21, 2026 9:30am - 10:00am PDT
409

Environment, Whales

9:30am PDT

A GIS Workflow for 3D Printing Topographic Models

Thursday May 21, 2026 9:30am - 10:00am PDT

403

Digital elevation models are primarily interacted with through a screen, but they can become powerful physical tools for visualization, teaching, and storytelling. This presentation explores the creation of tangible 3D printed topographic maps, transforming digital elevation data into physical models that make landscapes easier to interpret and engage with.

Building on a session presented at GIS in Action last year, this updated talk expands the workflow and lessons learned from additional experimentation and projects. We will walk through a practical pipeline for turning elevation data into printable terrain models, including sourcing DEM data, preparing and modifying terrain surfaces, exporting printable meshes, and producing final prints.

The workflow will demonstrate techniques using both ArcGIS Pro and QGIS, as well as web-based tools, to convert elevation rasters into printable geometry. The session will also introduce the fundamentals, including how printers operate, key components, and an overview of the current consumer printer landscape. Along the way we will discuss scale, vertical exaggeration, mesh resolution, printer limitations, and other design considerations that influence how terrain translates from raster data to physical form.

By the end of the session, attendees will understand the conceptual and technical steps required to move from DEM to printed object and will leave with practical knowledge for creating their own tactile terrain models.

Speakers

Noah Flick

Geospatial Mapping Hardware Representative, Frontier Precision

Noah Flick is a geospatial professional in the Pacific Northwest whose work focuses on the systems that transform satellite signals into usable spatial data. He works with Frontier Precision at the intersection of GIS, surveying, and GNSS, with a particular focus on field instrumentation... Read More →

Thursday May 21, 2026 9:30am - 10:00am PDT
403

Sponsor, Topo

9:30am PDT

Chehalis River Basin Early Flood Warning System - A Decision Support Tool

Thursday May 21, 2026 9:30am - 10:00am PDT

401-402

This presentation will describe how GIS is used as a decision support tool providing critical and timely information to citizens and first responders in the flood-prone Chehalis River Basin as well as to communicate the value of continued investment in early flood warning to stakeholders. To highlight the Chehalis River Basin Flood Authority (CRBFA) team’s National Hydrologic Warning Council (NHWC) Operational Excellence Award-winning flood warning system, Ms. Harvey and her team, in coordination with Scott Boettcher of SBGH-Partners LLC, developed and actively maintains a Flood Warning System Gage Alert Program ArcGIS Data Dashboard and a Flood Warning Email Alerts Sign-up smart form with ArcGIS Survey123. Used as informational and interactive tools for the 175,000+ residents of the Chehalis River Basin, the Flood Warning System Dashboard has promoted accountability, showcased results, and monitored progress during the 2022–26 flood seasons. At the same time, the Survey123 Email Alert System Sign-up page has become the first line of defense by providing Chehalis River Basin residents with a practical smart form that allows users to easily select gage alerts of interest and sign up online. Additionally, the Dashboard allows users to connect to the Chehalis River Basin Flood Warning System website, which provides a variety of forecasting tools including flood inundation maps.

Speakers

Sarah Harvey, MGIS, GISP

GIS Analyst, WEST Consultants, Inc.

Sarah Harvey is a certified GISP with more than 20 years of experience in GIS. She has spent the last 19 years as an analyst with WEST Consultants, Inc., a small engineering firm specializing in hydraulics and hydrology. Her expertise includes flood analysis and inundation mapping... Read More →

Thursday May 21, 2026 9:30am - 10:00am PDT
401-402

Technology, Flood

9:30am PDT

Covington Water District Chat Bot

Thursday May 21, 2026 9:30am - 10:00am PDT

407-408

This presentation describes an AI application developed for Covington Water District that combines conversational AI with GIS-based utility analysis. The application includes dedicated GIS routes for parcel water availability and meter lookup, allowing users to ask natural-language questions about whether water service is available to a property, whether nearby infrastructure exists, and what existing meter information is associated with a parcel or address. It can also combine GIS findings with district documents such as administrative code, standards, rate tables, and forms to provide a single, grounded answer. The talk focuses on the GIS side of the application: how location-based questions are routed into parcel and meter workflows, how spatial data is connected to policy and service requirements, and how conversational AI can improve access to GIS-driven utility information for local government and water district operations.

Speakers

Shawn Buck

GIS Engineering Analyst, Covington Water District

Shawn Buck, GISP
GIS Engineering Analyst at Covington Water District
Shawn is a GIS Analyst with over 15 years of experience in local government. He holds a Master's degree in Geospatial Technologies from the University of Washington. Throughout his career, Shawn has demonstrated a profound passion for data and technology, leveraging GIS technology... Read More →

Dan Dulan

Covington Water

Thursday May 21, 2026 9:30am - 10:00am PDT
407-408

Technology, AI

10:00am PDT

Break Time

Thursday May 21, 2026 10:00am - 10:30am PDT

Meydenbauer Center

Unwind and have refreshments in the hallway along the terrace

Thursday May 21, 2026 10:00am - 10:30am PDT
Meydenbauer Center 11100 NE 6th St, Bellevue, WA 98004, USA

Conference

10:30am PDT

Advancing Spatial Data Collaboration for Ecosystem Recovery: An Overview of the PSEMP Spatial Data Work Group

Thursday May 21, 2026 10:30am - 11:00am PDT

409

Spatial data is essential for understanding complex environmental systems, informing decisions, and coordinating actions across jurisdictions and organizations. The Puget Sound Ecosystem Monitoring Program (PSEMP) Spatial Data Work Group (SDWG) is a collaborative network of spatial data users, producers, and intermediaries dedicated to advancing the effective use of spatial data in support of ecosystem recovery and decision-making across the Puget Sound region.

In this session, we’ll provide an overview of the SDWG’s purpose, achievements, and opportunities for engagement. Attendees will learn how the SDWG fosters collaboration, improves understanding of available spatial data resources, and builds shared awareness of regional spatial data needs and challenges. The SDWG’s mission is to support ecosystem recovery by strengthening coordination around data standards, identifying critical gaps, and bridging technical experts with decision makers.

We’ll highlight key contributions and activities, including development of curated data recommendations, cross-partner workshops on priority topics (e.g., LiDAR processing workflows and wetland intrinsic potential), and the formation of Focus Teams - short-term collaborative groups tackling specific spatial data challenges such as riparian monitoring and stormwater data integration.

The presentation will also showcase how the SDWG serves as a platform for knowledge sharing, offering archived workshop materials, networking opportunities, and avenues for practitioners to influence regional spatial data priorities. Whether you’re a GIS analyst, data scientist, or resource manager, you’ll discover how participation in SDWG can enhance your spatial data practice, expand professional networks, and contribute to impactful environmental outcomes.

Join us to explore how this regional effort leverages GIS expertise to strengthen spatial data ecosystems, address data gaps, and drive collaborative solutions for Puget Sound’s most pressing environmental challenges.

Speakers

Tyson Z Waldo

North Sound SSHIAP Biologist, Northwest Indian Fisheries Commission

Tyson has been working as a regional salmon habitat biologist and GIS analyst for the Northwest Indian Fisheries Commission (NWIFC) for over 20 years. He was integral in developing the Salmon and Steelhead Inventory and Assessment Project (SSHIAP) database at the Northwest Indian... Read More →

Mike Leech

Technology Services Practice Leader, Environmental Science Associates (ESA)

Mike Leech is the Technology Services Practice Leader at Environmental Science Associates (ESA) and serves as Coordinator for the Puget Sound Ecosystem Monitoring Program (PSEMP) Spatial Data Work Group (SDWG). He brings over 20 years of experience leading geospatial, data management... Read More →

Thursday May 21, 2026 10:30am - 11:00am PDT
409

Environment, PSEMP

10:30am PDT

A Journey of GIS Data Integration into an Asset Management System

Thursday May 21, 2026 10:30am - 11:30am PDT

407-408

A Journey of GIS Data Integration into an Asset Management System – Eliud Flores Saenz – City of Pullman

This presentation details the path the City of Pullman took in preparing its GIS data into a third-party asset management system.

It will discuss the challenges, insights, and lessons learned during that process, as well as the strategies that were implemented and devised to centralize data into a single authoritative GIS-focused source. Among such challenges that will be discussed are: lack of geospatial data for tracked assets, incomplete legacy data from authoritative sources, differing definitions of what constitutes an asset across departments and workflows that were implemented to solve said challenges. I will also expand upon some Cartegraph-specific troubleshooting and creative solutions we are trying to implement to get the most use out of this system in conjunction with our Esri ArcGIS Portal.

While this presentation focuses on Pullman and Open Gov’s (formerly Cartegraph) Asset Management system, its principles and strategies detailed here are broad enough in scope to be universally useful across the spectrum of asset management systems. Such as creating a standard for asset IDs and managing data structures.

Speakers

Eliud Flores Saenz

GIS Analyst, City of Pullman

Eliud Flores Saenz is a GIS Analyst with the City of Pullman, where he serves as one of the organization’s GIS data stewards. With three years of municipal GIS experience, he works on a variety of projects spanning data management, asset tracking, and operational support for city... Read More →

Thursday May 21, 2026 10:30am - 11:30am PDT
407-408

Government, EAM

10:30am PDT

Celestial Infrastructure: The History, Science, and Future of Global Satellite Positioning

Thursday May 21, 2026 10:30am - 11:30am PDT

403

In 1957, physicists at Johns Hopkins listened to Sputnik’s radio beacon and unintentionally laid the groundwork for satellite navigation. What followed was one of the most ambitious engineering efforts in modern history: a constellation of satellites, atomic clocks, control stations, and launch campaigns that has evolved for more than four decades.

This presentation traces the development of satellite positioning from its Cold War origins through the construction of GPS, GLONASS, Galileo, and BeiDou, examining how each constellation was architected, launched, and sustained in orbit, how military systems evolved into global civilian infrastructure, and how the underlying geometry, atomic timekeeping, and signal architecture combine to deliver the positions we depend on daily. It then explores the augmentation systems built on that foundation, including RTK, PPK, WAAS, and PPP, the technologies that push raw GNSS accuracy from meters to centimeters. Each is defined by its own tradeoffs, infrastructure requirements, and ideal applications.

Looking ahead, the session turns to what comes next: GPS III’s new civil signals, LEO-based augmentation that could upend the base station model, and the spoofing and jamming vulnerabilities of a system the modern world cannot function without. Together, these developments reveal GNSS not as a finished technology, but as an evolving global utility.

By understanding the history and architecture behind GNSS, geospatial professionals gain clearer insight into both the power and the limitations of the coordinates they collect, and a better sense of how positioning itself is being redesigned for the decades ahead.

Speakers

Noah Flick

Geospatial Mapping Hardware Representative, Frontier Precision

Thursday May 21, 2026 10:30am - 11:30am PDT
403

Sponsor, GPS

10:30am PDT

How to Build a Production App and ETL in One Week(ish)

Thursday May 21, 2026 10:30am - 11:30am PDT

401-402

“We need this application ASAP!” Have you received this type of request before for a complex application? In this session we will walk through how a Restaurant Safety Ratings Application was created — from raw SQL data to a polished public-facing web application — designed, built, and deployed in roughly one week using a combination of Experience Builder and AI-assisted development. The session will be broken into two main parts.

App Development in ArcGIS Experience Builder
Rather than rebuilding a custom web application from scratch, the new Restaurant Safety Ratings application was built entirely in ArcGIS Experience Builder. We will get into the weeds about how the application was configured, some clever use of Arcade, and tips and tricks for building scalable and accessible applications.

Data Pipeline Development with VS Code and AI Assistance
Data pipeline development was accelerated significantly using GitHub Copilot within VS Code. We'll explore how to develop GIS data pipelines with AI beyond 'vibe-coding' — and walk away with a better understanding of the implications of using AI to help with future GIS projects.

Speakers

Bill Keller

GIS IT Engineer, King County

Bill has a broad GIS background from field work at Yellowstone to WebGIS administration at King County where he also leads a WebGIS Coaching group.

Thursday May 21, 2026 10:30am - 11:30am PDT
401-402

Technology, ETL

10:30am PDT

Dick Thomas Award Presentations

Thursday May 21, 2026 10:30am - 12:00pm PDT

404-406

Join us to celebrate the incredible work being done by Washington’s students in GIS and related fields! The Dick Thomas Award (DTA), hosted by the Washington GIS Association, highlights original student research and projects in geography, GIS, and geospatial technologies.

Finalists from across the state will present their work live, showcasing innovative approaches to real-world challenges, from environmental analysis to community planning and beyond! The DTA competition is designed to encourage students to share their ideas, gain presentation experience, and connect with professionals in the geospatial community.

Come support the next generation of GIS professionals and be inspired by the creativity, passion, and impact of student-driven research.

Madeleine Kopf-Patterson - Disturbing the Deep: Mapping Arctic Sedimentary Blue Carbon at the Intersection of Climate and Industry

Jen Stolz - GIS-Based Prioritization of Salmon Habitat Riparian Restoration in WRIA 1

Chelsea Ha, Niko Wood, Seth Borne - Mapping Washington’s Secondary Resale Economy – Visualizing Opportunities for Circular Markets

Maureen Montiel, Tahniat Naseem - The Invisible Layer: Modeling Seattle City Noise to Map Neighborhood Soundscapes

Speakers

DTA Finalists

Thursday May 21, 2026 10:30am - 12:00pm PDT
404-406

DTA

11:00am PDT

Estimating the Climate Resiliency of WA Dairy Farms

Thursday May 21, 2026 11:00am - 12:00pm PDT

409

According to climate models, northwest Washington will experience progressively wetter winters in the coming decades. Dairy farms collect and store manure in large ponds for later use as fertilizer, and the volume of those ponds is greatly influenced by precipitation. Do these ponds have the capacity to hold additional winter rainfall? Or will dairies need to adapt to prevent overflow events?

WSDA’s Nutrient Management Technical Services team has come up with winter storage preparedness estimates for over 30 dairies in Whatcom and Snohomish counties. This presentation will walk through the steps involved in completing this project, from collecting data to generating reports to sharing results with dairy farmers. Additionally, it will cover how Python was utilized to perform complex calculations and how reports were designed using HTML and CSS.

Speakers

Michael Lowry

GIS Analyst, Washington State Department of Agriculture

Michael Lowry is the GIS Analyst for WSDA’s Nutrient Management Technical Services, a program that works with dairy farmers to protect water quality. He has worked on a wide variety of projects that aim to provide the NMTS team with tools and data to get more done in less time... Read More →

Thursday May 21, 2026 11:00am - 12:00pm PDT
409

Environment, Climate

11:30am PDT

Rebuilding King County’s Open Data Platform for the Cloud Era

Thursday May 21, 2026 11:30am - 12:00pm PDT

407-408

King County has undertaken a major modernization of its King County GIS Open Data portal to improve reliability, enhance user experience, and transition away from aging on premise infrastructure. The previous Open Data site was built on an older Esri Configurable App and depended on datasets stored on a server scheduled for retirement in June 2026—along with several datasets that will also be decommissioned at that time. To meet these challenges, King County redesigned the site using Esri’s Hub Initiative and migrated all content to new, hosted layer views in ArcGIS Online.
This presentation will walk through the technical and organizational steps involved in rebuilding the King County GIS Open Data site, including content redesign, data retirement and redirect strategies, and approaches for ensuring continuity of service during system and dataset retirement. The session will highlight the communication and outreach efforts used to keep internal and external users informed throughout the transition. Additionally, challenges to sharing hosted feature layer views through a hub site will be discussed. Attendees will gain practical insights into modernizing an enterprise Open Data environment while minimizing disruption to their stakeholders.

Speakers

Thomas Ryan

Principal IT Engineer, King County

Tom is a Principal IT Engineer at King County's GIS Center. His work includes developing custom web application to support GIS data, metadata, and property reporting. Previously he worked at Kitsap County, Apple, and the City of Seattle. He graduated with a Bachelor’s in Geography... Read More →

Mary Ullrich

IT Engineer - Senior, King County

Mary is a Senior IT Engineer at the King County GIS Center with 26 years of experience. She specializes in Web GIS administration, interactive GIS applications, and coaching GIS users through the intricacies of GIS software. Her work has included GIS database design, analysis, mapping... Read More →

Thursday May 21, 2026 11:30am - 12:00pm PDT
407-408

Government, Open Data

11:30am PDT

Connecting and Empowering Communities Through Map Guides to Inventory Trees Within Their Communities

Thursday May 21, 2026 11:30am - 12:00pm PDT

403

As cities try to mitigate the effects of rising urban heat due to climate change, many have turned to creating Urban Forestry Management Plans (UFMPs). However, UFMPs require extensive tree inventories that catalog trees to assess management costs, tree health concerns, and potential hazards. Creating tree inventories can be prohibitively expensive and a barrier for communities with fewer resources. Therefore, many municipalities have turned to volunteer-led community-based tree inventories, which can alleviate data collection costs. However, managing volunteers can be challenging over large spatial scales, requiring careful planning and resources for guiding participation. Proactively creating ‘neighborhood maps’ that guide volunteers would be helpful, but there is a lack of open-source documentation on how to plan and create such guides for volunteers to use during an urban tree inventory. Through the Grit City Tree Count project, we used ArcGIS Pro and created 24 neighborhood maps across Tacoma using accessible, cost-effective methods based on city published Right-of-Way (ROW) maps and Google Street View. Additional guidance and metrics were added to these maps, including highlighted streets to follow, hazards to avoid, meeting locations, known trees, street names, accessible restrooms, and any other vital information for volunteers conducting tree inventories. Sharing these methods for guiding volunteers will help city managers interested in delivering cost-effective alternatives for urban tree inventories and help empower communities to start their own tree planting initiatives or UFMPs.

Speakers

Nelson Pham

Research Technologist, WSU Urban Forest Health Lab

Nelson Pham is an undergraduate student at the University of Washington School of Environmental and Forest Sciences studying Environmental Science and Terrestrial Resource Management. He works part-time as a Research Technologist at the Urban Forest Health Lab at Washington State... Read More →

Thursday May 21, 2026 11:30am - 12:00pm PDT
403

Sponsor, Advocacy

11:30am PDT

Experience Builder: Beyond the Map

Thursday May 21, 2026 11:30am - 12:00pm PDT

401-402

Experience Builder: Beyond the Map

This presentation explores how ArcGIS Experience Builder can empower users to interact with complex geospatial information without ever touching a map. Using a Seattle Urban Forestry Experience Builder application as the core example, we demonstrate how data reactive components—such as filters, charts, dynamic text, and embedded Instant Apps—can transform traditional map centric workflows into intuitive, narrative driven data experiences.

The showcased application features dashboard style charts demonstrating annual forestry activities and a text based “research tool” that guides users through curated urban forestry topics, allowing them to explore datasets through thematic pathways rather than spatial navigation. Information presented in the research tool updates in real time as users select topics or apply filters, while embedded Nearby Instant Apps provide contextual, location aware insights when needed. Together, these components illustrate how Experience Builder can support rich, interactive analysis for audiences who may be less comfortable with map interfaces or those who rely on keyboard navigation.

Attendees will gain a deeper understanding of how to design data forward, user friendly experiences that broaden access to geospatial information and open new possibilities for storytelling, exploration, and decision making.

Speakers

Mary Phillips

GIS Consultant/Analyst, Sagebrush Geospatial

Mary is a Certified Geographic Information Systems Professional (GISP) with more than 30 years of experience delivering high quality geospatial solutions across local government and consulting environments. Since 2015, she has maintained her GISP certification and continues to lead... Read More →

Thursday May 21, 2026 11:30am - 12:00pm PDT
401-402

WebApp, ExB

12:00pm PDT

Annual WAGISA Business Meeting

Thursday May 21, 2026 12:00pm - 1:30pm PDT

401-402

Everyone is welcome! Grab a boxed lunch and head to Room 401/402 for the annual WAGISA Business Meeting.

We will be introducing new board members, thanking our departing board members, and conducting our business meeting. This is a great opportunity to see how WAGISA operates behind the scenes and to find out how to get involved.

Thursday May 21, 2026 12:00pm - 1:30pm PDT
401-402

Conference

12:00pm PDT

Lunch

Thursday May 21, 2026 12:00pm - 1:30pm PDT

Meydenbauer Center

Boxed lunches will be provided at Meydenbauer Center. Enjoy your lunch in the ballroom, hallways, or take it to the outdoor terrace and get some fresh air! There will be four options to choose between on-site.

Thursday May 21, 2026 12:00pm - 1:30pm PDT
Meydenbauer Center 11100 NE 6th St, Bellevue, WA 98004, USA

Conference

1:30pm PDT

Relationship Goals - Linking Construction Drawings to a Map

Thursday May 21, 2026 1:30pm - 2:00pm PDT

409

The City of Tacoma was retiring it's legacy document management system in 2025. The old system allowed users the ability to associate a list of related streets through an older Access database and SQL server backend. The solution worked, but it required several steps without any kind of data integrity checking.

After project stakeholders asked if there was a way to incorporate a map into the process, the wheels began turning and started with a humble site but blossomed into a full ArcGIS Experience Builder application, integrating a custom CSV generator to generate standardize lists of barcodes and work orders, a map for the user to select streets related to the documents as also an FME automation to smash them all together in a Snowflake table, accessible to the city for multiple platforms.

This presentation will begin with a demo of the finished product, then going on a tour behind the scenes to see how all the pieces work together.

Speakers

Steve Schunzel, GISP

Enterprise GIS Technical Lead, City of Tacoma

Steve is the Enterprise GIS Technical Lead for the City of Tacoma. He has been in the GIS field for over 30 years, the last 10+ years in various roles with Tacoma. During his career, he has worked with most disciplines associated with local government including cadastral/survey... Read More →

Thursday May 21, 2026 1:30pm - 2:00pm PDT
409

Asset Management, As-Built

1:30pm PDT

New ArcHydro tools to facilitate connecting data to hydrography through linear referencing

Thursday May 21, 2026 1:30pm - 2:00pm PDT

401-402

Linear referencing in hydrography is a way to locate information along rivers and streams using distance measured along the waterway, rather than using map coordinates. This makes it easier to link data—such as sampling points, monitoring stations, or stream segments—to their exact position on a stream network. These linked datasets are commonly referred to as “events” and support analysis of relationships among different hydrologic observations.
Linear referencing and dynamic segmentation are widely used in water resources to connect attribute data to specific parts of water features. This is critically important to make hydrography data useful for modelling, policy, conservation and a better understanding of our surface waters. Historically, this process has relied on the National Hydrography Dataset (NHD) and reach codes. However, a modernized approach is needed since reach codes are no longer maintained and are not part of the 3D Hydrography Program (3DHP).
Washington Department of Ecology has been working with Esri’s Arc Hydro team to develop simplified data models and tools that can be used with ArcGIS Pro, to provide a foundation for developing an updated linear referencing system. This presentation introduces new Arc Hydro tools and workflows for managing events, explains the development of a linear referencing system based on elevation derived hydrography (including 3DHP), outlines methods for transitioning existing events from NHD to 3DHP, and demonstrates techniques for analyzing and visualizing events using dynamic segmentation.

Speakers

Joshua Greenberg

Hydrography Steward, WA Department of Ecology

Joshua Greenberg works for the Washington Department of Ecology and is the hydrography steward for the State. He has been the hydro-steward five years, but has over 20 years’ experience working for local government. His background offers both ecological and technical guidance and... Read More →

Thursday May 21, 2026 1:30pm - 2:00pm PDT
401-402

Technology, ArcHydro

1:30pm PDT

Drone Panel - We Came, We Flew, We Mapped

Thursday May 21, 2026 1:30pm - 2:30pm PDT

407-408

Drone pilots and GIS-drone enthusiasts, come together to share real-world experiences across the full drone-to-data workflow. Panelists will cover flight planning, data capture, processing, and GIS integration — with open discussion on best practices and lessons learned.

Speakers

Jim Mudd

GIS Director, Puyallup Tribe of Indians

James Mudd is the GIS Director for the Puyallup Tribe of Indians, where he leads enterprise GIS services supporting Tribal programs, planning initiatives, and data-driven decision-making. With over two decades of geospatial experience, he specializes in enterprise GIS architecture... Read More →

Peter Keum

Drone Program Lead/GIS Analyst, King County

Peter Keum, M.S., GISP, King County Wastewater Treatment Drone Program Lead/GIS Analyst:. Peter is a Drone Program Lead and GIS Analyst for the King County Wastewater Treatment Division, where he merges his passion for maps with advanced drone technology. With over 28 years of GIS... Read More →

Jesse Alton

GIS and Data Project Manager, Environmental Services Office WSDOT

Jesse Alton serves in WSDOT’s Environmental Services Office as the GIS and Data Project Manager, bringing more than 20 years of experience in geospatial technology and environmental data systems. He maintains essential GIS data, GPS equipment, and custom online web applications... Read More →

Keisha Chinn

Environmental Information Program Manager, Environmental Services Office WSDOT

Keisha Chinn is the Environmental Information Program Manager for the Washington State Department of Transportation. She graduated from the University of Washington with a degree in Interdisciplinary Arts and Sciences and a focus on Environmental Studies and GIS. Keisha has worked... Read More →

Ben Delyea

UAV Coordinator & GIS Analyst, Cowlitz PUD No. 1

Ben Delyea is the UAV Coordinator and GIS Analyst for Cowlitz PUD No. 1 in Southwest Washington. With six years in the public utilities sector, he specializes in integrating spatial analytics, remote sensing, and unmanned aircraft systems (UAS) into utility operations. Ben launched... Read More →

Alex Arams

GIS Analyst, Fish Biologist, South Puget Sound Salmon Enhancement Group

Alex Arams is a GIS Analyst and fisheries field biologist with the South Puget Sound Salmon Enhancement Group (SPSSEG) in Olympia, WA. With nine years of experience in salmonid habitat assessment and restoration, he integrates drone mapping, UAV photogrammetry, RTK GNSS surveying... Read More →

Thursday May 21, 2026 1:30pm - 2:30pm PDT
407-408

Remote Sensing, Drone

1:30pm PDT

ArcGIS for Real-Time Winter Weather and Street Sweeping Operations

Thursday May 21, 2026 1:30pm - 2:30pm PDT

403

ArcGIS Street Sweeping and Winter Weather Operations empower public works agencies to monitor real-time service activity, measure performance, and keep communities informed. By tracking sweeper and snowplow routes, organizations can improve service levels, meet regulatory requirements, and optimize responses to storms and seasonal conditions. Sharing clear schedules and status updates increases transparency, supports resident planning, and strengthens public trust. Together, these solutions streamline operations, enhance roadway safety, and help agencies manage resources efficiently while maintaining cleaner, safer, and more resilient transportation networks.

Speakers

TJ Abbenhaus

Senior Solution Engineer, Esri, Inc

TJ Abbenhaus, Esri Solution Engineer: He is a Senior Solution Engineer specializing in imagery, remote sensing, and geospatial workflows across the ArcGIS platform. With deep experience helping government agencies modernize legacy imagery systems, TJ focuses on guiding organizations... Read More →

Thursday May 21, 2026 1:30pm - 2:30pm PDT
403

Sponsor, Esri

2:00pm PDT

Taking GIS into the Well: Building a Replicable Condition Assessment Framework with Survey123

Thursday May 21, 2026 2:00pm - 2:30pm PDT

409

When Kitsap County needed to move from reactive maintenance to data-driven capital planning for its wastewater pump stations, the County was seeking not only a data collection process, but a repeatable framework that could be managed by staff and expanded across the entire system.
This presentation details how ArcGIS Survey123, ArcGIS Online, and ArcGIS Pro were used to develop and deploy a comprehensive condition assessment program across four pump stations spanning five decades of infrastructure. The project followed a structured progression: establishing asset management goals through workshops with County staff, building a hierarchical asset inventory from design drawings and institutional knowledge, developing a Survey123 form architecture with related tables for condition scoring and photo documentation, piloting the framework at the first station, refining it based on field experience, then deploying across the remaining three stations with County staff taking increasing ownership.
The Survey123 form design centered on using questions tailored to different asset classes. Questions are framed with discrete text descriptions easy for inspectors to understand. Responses convert from descriptive text to quantitative scores, enabling consistent, repeatable assessments even from different inspectors. The resulting condition scores directly support capital planning and prioritization with traceable justifications explaining values.
The presentation highlights real challenges encountered during implementation: managing limited existing records, balancing survey form flexibility with the specificity inspectors need in the field, reconciling data across multiple survey exports, and calibrating useful life values against industry standards. Attendees will see how the final deliverables, including visualizations and interactive dashboards, directly support renewal and replacement prioritization. Attendees will leave with a replicable framework they can adapt for their own utilities or organizations using standard Esri tools.

Speakers

Max Sugarman

Senior GIS Analyst, Hazen and Sawyer

Max Sugarman is a Senior GIS Analyst at Hazen and Sawyer, a national engineering firm specializing in water and wastewater infrastructure. Based in Seattle, he focuses on helping water and wastewater utilities translate geospatial data into practical tools for asset management, capital... Read More →

Thursday May 21, 2026 2:00pm - 2:30pm PDT
409

Asset Management, Survey123

2:00pm PDT

Powering the Future: Mapping Solar Potential Across WSDOT Rights‑of‑Way

Thursday May 21, 2026 2:00pm - 2:30pm PDT

401-402

Washington State Department of Transportation (WSDOT), in partnership with The Ray, conducted a statewide GIS-based suitability analysis to identify highway rights‑of‑way with high potential for solar energy development. Using spatial criteria, terrain analysis, and solar radiation modeling, the study identified over 3,000 acres of highly suitable land capable of supporting significant renewable energy generation. A pilot effort further evaluated opportunities to co-locate solar infrastructure near WSDOT communication sites by integrating proximity analysis, Utility Franchise Permit data, and statewide power plant locations. This work demonstrates how geospatial analytics can optimize state-owned transportation corridors for clean energy deployment while supporting Washington’s climate and infrastructure objectives.

Speakers

Golnaz Badr, PhD, GISP

GIS and Data Systems Specialist, WSDOT

Dr. Golnaz Badr is a GIS & Data Systems Specialist with over 15 years of experience spanning geospatial analytics, smart mobility, environmental modeling, and enterprise data solutions. She currently supports statewide geospatial systems and data modernization efforts at the Washington... Read More →

Golnaz Badr. Powering the Future Mapping Solar Potential Across WSDOT Right of Way pdf

Thursday May 21, 2026 2:00pm - 2:30pm PDT
401-402

Technology, Solar Energy

2:30pm PDT

Bringing Branch Editing to PostGIS/QGIS

Thursday May 21, 2026 2:30pm - 2:45pm PDT

409

This short talk demonstrates a proof-of-concept, alpha-quality project designed to introduce versioned, branched editing capabilities to the PostgreSQL, PostGIS, and QGIS technology stack. It establishes a workflow directly analogous to standard version control software used in software development. The process begins by designating a feature layer as the trunk or main layer. While operating on their branch, users perform updates, inserts, and deletions. Concurrently, other team members may modify the trunk or their own independent branches. Once editing concludes, the user reconciles their branch against the trunk to identify and resolve conflicting edits. Finally, the approved branch edits are merged into the trunk, establishing a new authoritative version. If you are interested in FOSS GIS software, have a skill and the desire to contribute, please attend for more information.

Speakers

Roma Hicks

Hobbyist Developer, Senior Application Analyst, City of Issaquah

Roma Hicks is a senior application analyst for the City of Issaquah focused on public works, ESRI Utility Network, asset management, and project management but moonlights as a hobbyist software developer for over 15 years with an interest in free and open-source software (FOSS). Using... Read More →

Thursday May 21, 2026 2:30pm - 2:45pm PDT
409

Asset Management, Branch Editing

2:30pm PDT

Understanding post-truth GIS

Thursday May 21, 2026 2:30pm - 3:00pm PDT

403

Post-truth is a slippery synthesis of knowledge claims, science, activism, politics and media.; it represents an uncomfortable shift in how our society produces and validates geographic reality. This presentation introduces a multidisciplinary framework based on identity, meaning, transfer and appropriation. The framework is grounded in GIScience and illustrated with cases of post-truth GIS opportunity and disruption in the Pacific Northwest related to shoreline management, best available science, citizen activism and institutional collaboration. Finally, we propose a stance for building post-truth resilient GIS shifting from defensive accuracy to proactive understanding through transparency, epistemic scaffolding, and methodological provenance, coupled with the cultivation of distributed networks for knowledge transfer.

Speakers

Gene Martin

GIS consultant, Independent

Gene is a GIS solutions expert and educator with over 20 years of experience in environmental modeling, sustainability planning, and geospatial education. A former instructor for the University of Washington’s certificate program and UWSP department of geography , Gene’s work... Read More →

Thursday May 21, 2026 2:30pm - 3:00pm PDT
403

Explorations in GIS, Imagery

2:30pm PDT

Beyond the Map: Immersive 360 Degree Imagery and Drone Mapping for Stream Restoration in the South Puget Sound

Thursday May 21, 2026 2:30pm - 3:00pm PDT

407-408

The success of a stream restoration project often depends on how well stakeholders can “see” the vision. Yet a persistent gap exists between restoration engineers and surveyors, and the grant funders, project partners, and communities they support. Static maps and survey notes rarely convey real-world conditions in a way that is accessible to everyone, making it difficult to fully grasp site conditions and restoration outcomes. While drone-based mapping provides high-resolution spatial coverage and critical context, canopy occlusion, shadowing, and water-surface artifacts can obscure in-channel complexity.

This presentation introduces a workflow that integrates georeferenced 360-degree imagery with drone photogrammetry to bridge that gap. By linking immersive, ground-level perspectives with orthomosaics and elevation models, users move beyond “paper fish” (on a flat map) to “real fish,” providing a tangible, on-the-ground sense of how restoration sites function. Our process combines RTK GNSS surveying, UAV photogrammetry, and oriented imagery datasets, allowing users to seamlessly transition from high-level spatial analysis to “virtual boots-on-the-ground” views while highlighting channel conditions, habitat features, and project performance over time.

Examples from South Puget Sound (WRIAs 10–15) demonstrate how this approach supports restoration monitoring, virtual site visits, and interdisciplinary collaboration. The workflow enhances both technical analysis and communication, making complex spatial data more intuitive and accessible to diverse audiences.

Speakers

Alex Arams

GIS Analyst, Fish Biologist, South Puget Sound Salmon Enhancement Group

Thursday May 21, 2026 2:30pm - 3:00pm PDT
407-408

Remote Sensing, Stream Restoration

2:30pm PDT

Unlocking the Past to Empower the Future: Geo-Enabling WSDOT’s Statewide Real Estate Parcel Inventory

Thursday May 21, 2026 2:30pm - 3:00pm PDT

401-402

The Washington State Department of Transportation (WSDOT) Real Estate Services (RES) oversees an extensive archive of Real Estate Maps documenting parcels acquired to build and maintain the state’s transportation system. Many of these maps—especially those produced prior to 2010—exist solely as scanned images, limiting their usability in modern geospatial workflows and slowing access to crucial property information.
To bridge this gap, WSDOT RES has launched a statewide initiative to georeference historical Real Estate Maps, digitize parcel boundaries, and connect key acquisition records directly to spatial features. This effort is creating a unified, GIS-enabled Parcel Inventory that modernizes how real estate data is stored, accessed, and used to support planning and operational needs.
This presentation will walk through the end‑to‑end lifecycle of the Parcel Inventory Project—from archival research and data preparation to georeferencing, polygon creation, and enterprise database integration. The resulting geodatabase will become a mission‑critical asset, improving decision-making, streamlining RES workflows, and increasing transparency and accessibility of property records across Washington State.

Speakers

Golnaz Badr, PhD, GISP

GIS and Data Systems Specialist, WSDOT

Golnaz Badr. Unlocking the Past to Empower the Future Geo Enabling WSDOT’s Statewide Real Estate Parcel Inventory pdf

Thursday May 21, 2026 2:30pm - 3:00pm PDT
401-402

Technology, Parcel

2:45pm PDT

Tree Canopy and Land Cover: Tacoma's GIS Approach

Thursday May 21, 2026 2:45pm - 3:00pm PDT

409

Many municipalities regularly collect land cover data using aerial imagery to support land use planning, track tree canopy, and inform city leadership. Building these workflows requires balancing accuracy, efficiency, and long-term maintainability, which becomes increasingly challenging as datasets grow and organizational needs evolve.

This presentation walks through how the City of Tacoma’s Environmental Services department developed a land cover workflow using ArcGIS Pro to process and analyze aerial data. Using real project examples, it will highlight the step-by-step approach used to generate land cover and tree canopy statistics, along with the challenges encountered around efficiency, consistency, and long-term maintainability.

Building on this foundation, the presentation will also explore opportunities to improve and automate the workflow using FME. It will outline where automation could reduce manual effort, improve documentation, and make the process more repeatable across teams.

Attendees will gain practical insight into building effective GIS workflows in ArcGIS Pro, identifying bottlenecks in manual processes, and taking the first steps toward automation with tools like FME.

Speakers

Shawn Leonard

IT Analyst, City of Tacoma

Shawn Leonard is an IT Analyst with the City of Tacoma’s Environmental Services department, where he supports the GIS needs of stormwater, wastewater, and solid waste utilities. Over the past year and a half, he has worked at the intersection of data, infrastructure, and environmental... Read More →

Thursday May 21, 2026 2:45pm - 3:00pm PDT
409

Asset Management, Land Cover

3:15pm PDT

Closing Plenary

Thursday May 21, 2026 3:15pm - 4:00pm PDT

404-406

Final conference wrap-up from WAGISA board members, announcement of Dick Thomas Award winner(s) and raffle prize winners.

Thursday May 21, 2026 3:15pm - 4:00pm PDT
404-406

Conference

4:00pm PDT

Tavern Hall

Thursday May 21, 2026 4:00pm - 6:00pm PDT

Tavern Hall

Join us for a casual Closing Social at Tavern Hall at 505 Bellevue Square Bellevue, WA 98004. Happy hour is available until 5pm! Food can be purchased on site.

Thursday May 21, 2026 4:00pm - 6:00pm PDT
Tavern Hall 505 Bellevue Square, Bellevue, WA 98004

Social

2026 WA GIS Conference

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