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November Session: 
Stormwater Data Management  

Tuesday, November 14, 2023

10:00am MT

Using GIS for State and Local Government Asset Management WEBINAR SERIES

An effective stormwater management system can enable stakeholders to adapt to changing conditions and plan for future development. Join this session to learn how GIS technologies can be used to map and identify areas prone to flooding.






Series Supporters

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Stormwater data management is the process of collecting, storing, and analyzing information related to stormwater runoff, which is the flow of water that occurs during precipitation events. Geographic Information Systems (GIS) are an essential tool in stormwater data management, as they allow for the visualization and analysis of spatial data. GIS can be used to map the extent of impervious surfaces, identify areas prone to flooding, and assess the effectiveness of stormwater management strategies. By integrating stormwater data with GIS, municipalities and organizations can make informed decisions about infrastructure investments, land use planning, and environmental management. An effective stormwater management system can be used to monitor and track changes in stormwater patterns over time, enabling stakeholders to adapt to changing conditions and plan for future development.

GISP Points

This event may qualify for GIS Certification Institute continuing education credits.

To submit for GISP Points, visit to self-submit the event curriculum for approval





  • Cities/Towns/Municipalities

  • Campuses/Zoos/Parks

  • Enterprises

  • DOTs


  • Managers, Analysts, and Directors

  • Elected Officials

  • Department Heads and Division Directors


  • Land Administration

  • Transportation Planning & Management

  • Utilities Planning & Management

  • Law Enforcement/Fire/Public Safety

  • Public Administration

  • Economic Development

  • Urban Planning

  • Parks and Recreation

  • Public Information Services

  • Public Works

  • Purchasing

  • Sustainability

  • Welfare and Human Services

  • Environmental Planning, Management, and Services

  • Treasury and Budget

  • Risk Management

  • and more ...



Tuesday, 14 November 2023
All times in US (Denver) Mountain time



Welcome and Introductions

Moderator: Will Sarni, Founder and CEO, Water Foundry

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A brief overview of using GIS for Stormwater Data Management, and introduction of the webinar presenters.



ArcGIS Stormwater Data Management Solution

Brandi Rank, Senior Product Engineer, Esri

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Using the ArcGIS Stormwater Data Management Solution, organizations can expedite their implementation or modernization of geospatial workflows.  The pre-configured solution delivers a set of capabilities that helps organizations map stormwater systems, edit data, view system maps in the field and the office, view asset reports, and collaborate with map notes.



CONFIGURE IT OUT! Configuring ArcGIS for Stormwater Asset Management

Shawnetta Grandberry, Senior Program Manager – NPDES and Green Infrastructure Compliance
City of Carlsbad CA

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This presentation will take a critical look at municipal stormwater asset management and program implementation from a municipal perceptive.  Storm water professionals must not only address the requirements of municipal permits, but also foster structured approaches to decision making, accountability, and sustainability. By exploring the development and implementation of the City of Carlsbad’s ACTION System, the goal is to demonstrate how innovation, collaboration, and the leveraging of storm water as a resource can be a transformative process for both local government and the communities we serve.  



Flood the Digital Database, not your Streets

Dr. Nikolas Smilovsky, Geospatial Solutions Dir, Bad Elf

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During this presentation, we explore the pivotal role of Geographic Information Systems (GIS) in mitigating stormwater issues for urban environments. Discover how embracing GIS technology can revolutionize stormwater management for your city. Three compelling reasons why GIS is the key to success in this endeavor will be highlighted: High-Accuracy Asset Locations, Detailed Topography Model and Data-Driven Decision-Making.  Join us for an engaging discussion on how GIS and GPS is the new cornerstone of a resilient, data-driven approach to mitigating stormwater issues in your city. Don't let your streets flood; flood the digital database with powerful GIS solutions!



OpenFlows Stormwater Simulation, Analysis and Solutions

Simon Newton, Product Success Engineer - Water, Bentley Systems

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While GIS is great for mapping the existing system, it is necessary to perform hydraulic analysis to determine the design for new system and upgrades/rehab of existing systems. Users need to calculate how rain gets in to the piping system, how big and deep would the pipes need to be and what kind of storm event can they handle. This is where hydraulic modeling comes in play.


11:00am - 11:30am

Panel Discussion Session / Audience Q&A

Moderator: Will Sarni, Founder and CEO, Water Foundry
Brandi Rank, Senior Product Engineer, Esri
Shawnetta Grandberry, Senior Program Manager, City of Carlsbad CA
Simon Newton, Product Success Engineer - Water, Bentley Systems
Dr. Nikolas Smilovsky, Geospatial Solutions Dir, Bad Elf

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A roundtable discussion among industry solution providers and presenters, focusing on Stormwater Data Management, followed by live audience questions and answers.



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MC/Moderator: Will Sarni

Founder and CEO
Water Foundry

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Will Sarni is an internationally recognized thought leader on water strategy and innovation. He has authored numerous books and articles and presented on: the value of water, innovations in digital water technology, the circular economy, and the energy-water-food nexus. He has been a water strategy advisor to private and public-sector enterprises and NGOs for his entire career.

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Brandi Rank

Senior Product Engineer

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Brandi Rank is a Senior Product Engineer on the ArcGIS Solutions team with a focus on stormwater.  She has been helping people do their jobs faster, easier and a little more fun for over 20 years.    

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Shawnetta Grandberry, MPA, CPSWQ, QSD, CGP-ToR

Senior Program Manager – NPDES & Green Infrastructure Compliance
City of Carlsbad CA

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Shawnetta Grandberry is a Senior Program Manager, National Pollutant Discharge Elimination System (NPDES) Compliance for the City of Carlsbad’s Construction Management and Inspection Department. She has more than 30 years of experience as an environmental professional in stormwater compliance and public policy development. Grandberry has a master’s degree in public administration from San Diego State University and is a Certified Professional in StormWater Quality (CPSWQ).

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Simon Newton

Product Success Engineer - Water
Bentley Systems

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Simon Newton has international consulting experience focused on water conveyance, treatment, and hydraulic modeling. Prior to joining Bentley,  Simon worked for international consultants delivering projects on riverine, stormwater and inundation studies. He has a Natural Resources & Civil engineering degree from University of Canterbury, NZ. Mr. Newton is a member of the Engineering Solutions team for Bentley's OpenFlows software where he provides support to existing and prospective users to get the most out of their hydraulic and hydrologic models and analyzes.         

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Dr. Nikolas Smilovsky, PhD, GISP

Geospatial Solutions Director
Bad Elf LLC

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Nikolas Smilovsky, PhD, GISP is a Geospatial Evangelist, Solutions Provider, and Educator, as well as Geospatial Solutions Director with Bad Elf. For nearly two decades Nik has focused his efforts on the professional and academic expansion of the geospatial professions. Whether working for a plethora of different types of private consulting firms collecting, analyzing, and displaying geographic data or working as an academic, researching and contributing to the corpus of educational knowledge, his passion in life is geography. As an energetic and enthusiastic public speaker, teacher, and thought leader he has enjoyed sharing successes with others and seeing them flourish. Specifically, his interests in the geospatial fields include the geography of behavior, sustainable and resilient geodesign, geographic science pedagogy (especially online education), and geospatial technologies as a whole. Nik loves innovative GIS tech and is a Geoholic! He is also a certified arborist, UAS Remote Pilot and Esri ArcGIS professional.



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Bad Elf GNSS receivers deliver affordable accuracy through easy-to-use hardware supported by continuously evolving firmware, apps, and cloud services. Founded in 2010, Bad Elf created the first Made for iOS external GPS accessory and now enables high performance location services for all mobile platforms.

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Carahsoft Technology Corp. is The Trusted Government IT Solutions Provider®, supporting Public Sector organizations across Federal, State and Local Government agencies and Education and Healthcare markets. As the Master Government Aggregator® for our vendor partners, we deliver solutions for Geospatial Intelligence, Open Source, Cybersecurity, MultiCloud, DevSecOps, Big Data, Artificial Intelligence, and more. Working with resellers, systems integrators and consultants, our sales and marketing teams provide industry leading IT products, services and training through hundreds of contracts. Founded in 2004, Carahsoft is headquartered in Reston, Virginia and employs more than 1,900 professionals dedicated to serving the Public Sector.

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The World Geospatial Industry Council is an association of companies representing the entire ecosystem of geospatial industry. WGIC endeavors to enhance the role of the geospatial industry and strengthen its contribution in global economy and society. We facilitate exchange of knowledge within the geospatial industry and co-creation of larger business opportunities for the geospatial industry. We represent business interest, share perspectives of the geospatial industry and undertake policy advocacy and dialogue with public authorities, multilateral agencies and other relevant bodies.

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Bentley Systems is the infrastructure engineering software company. We provide innovative software to advance the world’s infrastructure – sustaining both the global economy and environment. With over 5,000 colleagues, we generate annual revenues of more than $1 billion in 194 countries. Bentley’s OpenFlows is the most widely used commercial platform of water, wastewater, and stormwater hydraulic modeling software. Coupled with our digital twin solutions, you can confidently plan, analyze, design, and operate/maintain intelligent and resilient water systems of any complexity.

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Geographic Technologies Group (GTG) is committed to advancing the science of location intelligence and geospatial technology.  We want to inspire, push the envelope, break through boundaries, solve problems, and introduce a new kind of decision support. We go beyond location intelligence to plan, design, build, implement, transform, and maintain. We use spatial information to empower understanding, influence the decision-making process, offer new insights, reveal new data relationships, predict events, engage and educate the community, and solve problems of the future. The ultimate outcome is a smarter, more resilient, and sustainable government. We create location intelligent organizations!

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