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  • District Brown Bag Presentations

    The Pima County Regional Flood Control District (District) hosts a monthly brown bag informational presentation on a variety of topics related to floodplain management. The meetings are presented in a seminar format and includes a guest speaker with expert knowledge related to the topic. A question and answer period is available, and Certified Floodplain Managers are able to earn 1 continuing education credit per session.

    As of March 2020, brown bag meetings are now presented virtually using either Microsoft Teams or Zoom. Download the products so you are able to attend. A meeting flyer announcement and link to the presentation is sent prior to the meeting. Please email Eleonora.Demaria@pima.gov for more information.

    Please see below tabs for historical and current presentations.

    Date Speaker Topic
    March 8, 2023  Chris Smith and Luke Smith, Insight Hydrology, LLC  Insight Hydrology 2D Model Approach
    February 8, 2023  Dr. Neha Gupta, University of Arizona Influence of Green Stormwater Infrastructure on Neighborhood Runoff in Tucson, Arizona
    January 11, 2023 Claire Zugmeyer, Sonoran Institute; Eleonora Demaria, Pima County Flood Control Using Effluent Water to Preserve the Gila Topminnow Habitat in the Santa Cruz River: the Pima County CEP Project

    Date Speaker Topic
    December 14, 2022  Steve Waters, Flood Warning Branch, Flood Control District of Maricopa County Maricopa County ALERT - Real-time Flood Warning System, Long-term Science Project, or Both?
    November 9, 2022  Alcely Lau, Pima County Flood Control District Understanding Intensity-Duration-Frequency (IDF) Curves Using IMERG Sub-Hourly Precipitation
    October 12, 2022   Canceled Canceled
    September 14, 2022  Enrique R. Vivoni, Arizona State University Streamflow Presence and Flood Hazard Detection in Arid Rivers
    August 10, 2022  Eleonora Demaria, Pima County Flood Control; Greg Bambauer, Peng Zhang, WSP Evaluating Multipurpose Benefits for the Massingale Retention Basin
    July 13, 2022  Alireza Arabzadeh, Pima County Flood Control Assessment of Precipitation Products in Capturing Atmospheric Rivers and Their Performance as a Function of Near-Surface Conditions
    June 8, 2022 Craig Bonn, Joseph Cuffari, Luke Heinzelman, Pima County Flood Control; and Herman Rascon, Golder Ranch Fire Department The T.A.D.D. App, Turn Around, Don't Drown
    May 11, 2022  Dr. Beth Tellman, Assistant Professor, School of Geography, Development, and Environment, University of Arizona Understanding Flood Risk from Space: Opportunities to Adapt to Changing Risk and Catalyze Climate Justice
    April 13, 2022  Dr. Victor Baker, Regents Professor, Hydrology and Atmospheric Sciences, University of Arizona 50+ Years Advancing the Scientific Understanding of Extreme Floods
    March, 2022 Canceled Canceled
    February 9, 2022  Alejandro Riano & Greg Bennett, AECOM 2D Probabilistic Approach to Develop Graduated Flood Hazard and Risk Data
    January 12, 2022  Dr. Eve Halper, Reclamation Phoenix Area Office, Program Development Division Lower Santa Cruz River Basin Study: A Summary of Climate and Hydrology Projections, Adaption Strategies and Trade-off Analysis
    Date Speaker Topic
    December 8, 2021  David Scalero, Principal Hydrologist, Pima County Regional Flood Control District The Marana High Plains Effluent Recharge Project - Evolution of a Small-scale Effluent Recharge Project in Marana, Arizona
    November 10, 2021  Vanessa Prileson, Range Program Manager, Pima County Natural Resources, Parks and Recreation Ranch and Farm Transition Process, A Process to Select or Maintain Qualified Ranchers and Farmers to Manage Pima County Ranch and Farm Properties
    October 13, 2021  Evan Canfield, Pima County Regional Flood Control District, and others Selecting Multipurpose Improvements to the Santa Cruz River Downstream of the Wastewater Reclamation Facilities
    September 8, 2021  Donald Falk & James Malusa, UA School of Natural Resources and the Environment Goodness Gracious, Great Balls of Fire: Vegetation Change on the Coronado National Forest
    August 11, 2021  Jennier McIntosh, UA Department of Hydrology and Atmospheric Sciences  Quantifying Recharge from Santa Rita Mountains to Davidson Canyon, Cienega Creek, and Basin Aquifers
    July 14, 2021  Erfan Tousi, NextGen Engineering Inc.  Climate Change Impacts on Stormwater Infrastructure Design in Tucson, AZ
    June 9, 2021  Dr. Greg Saxe, Pima County Regional Flood Control District Floodplain Management Planning and Success With the Community Rating System
    May 12, 2021 Canceled Canceled
    April 14, 2021  Ursula Schuch, UA School of Plant Sciences Water Conservation with the City of Tucson Rainwater Harvesting Ordinance 
    March 10, 2021 Julia Fonseca, Pima County Office of Sustainability and Conservation  Climate-Resilient Riparian Areas
    February 10, 2021  Mohammed Mahmoud, Central Arizona Project Climate Adaptation Planning at the Central Arizona Project
    January 13, 2021 Christopher Freimund, UA School of Natural Resources and the Environment Perceptions of Flood Risk and Resilience in Ambos Nogales
    Date Speaker Topic
    December 9, 2020 Joel Biederman, USDA Agricultural Research Service Linking Above - and Below - Ground Responses to Temporal Repacking of Precipitation in a Semiarid Grassland Agroecosystem
    November 18, 2020 James Callegary, USGS Arizona Water Science Center The Transboundary Upper Santa Cruz Aquifer System: Ongoing Assessment and Lessons Learned
    October 7, 2020 Andrea Gerlak, School of Geography, Development & Environment, University of Arizona No Longer a Passing Fad: Tracing Green Infrastructure Policy Evolution in Tucson, Arizona
    August 12, 2020  Alyssa Kirk, Montgomery & Associates A Hydrochemical Modeling Study to Evaluate Potential Regional and Local Flowpaths to Surface Water Base Flow in Lower Cienega Creek and Davidson Canyon, Southeastern Arizona
    July 8, 2020  Claire Zugmeyer, Sonoran Institute A Living River- Charting Santa Cruz River Conditions
    June 10, 2020  Deborah Tosline, U.S. Bureau of Reclamation Hydrologic Research Pre- and Post- Low Impact Development in an Ephemeral Drainage
    May 13, 2020  Menberu Meles, USDA-ARS Southwest Watershed Research Center The Dynamics of the Uncertainty and Parameter Sensitivity in Modeling Semi-Arid Systems
    March 11, 2020  Chris Eastoe, Department of Geosciences, University of Arizona (retired) Ages of Groundwater in the Tucson Basin
    February 12, 2020 Neha Gupta, Hydrology and Atmospheric Sciences Department, University of Arizona Harnessing Stormwater in Desert Cities
    Date Speaker Topic
    December 11, 2019 Shaina Shay, Alicat Scientific Water Markets: An Overview of Australian Water Market Principles and General Discussion of Opportunities within the Colorado River Basin
    December 15, 2019  Courtney Rose, Cannon Daughtrey, & Ian Milliken, Pima County Cultural Resources & Historic Preservation Programs  Pima County Cultural Resources Programs and Review Process 
    October 16, 2019  Eleonara Demaria, Pima County Regional Flood Control District  Extreme Precipitation Events in Arizona: More intense Monsoon Rainfall and How the Pacific Ocean Modulates Winter Precipitation
    October 9, 2019  Jessica Walker, USGS Western Geographic Science Center Integrating Stream Gage Discharge Records and Landsat Imagery to Complete Time-series of Surface Water Extents in California's Central Valley
    September 11, 2019  Adam Raynor, Blucor Contracting Constructing Storm Drains Using Cast-in-Place Concrete Pipe
    August 14, 2019 Jeff Hoilman, Market Development Manager GeoSolutions, Propex Operating Company, LLC Severe Erosion Protection and Surficial Slope Stability through Engineered Earth Armoring Solutions
     July 10, 2019 Libby Kahler, U.S. Geological Survey Aquifer-storage Change Derived from Microgravity Monitoring in the Tucson Active Management Area, 2003-2018 
    May 15, 2019  Kang Zhou & Jennifer Duan, Department of Civil and Architectural Engineering and Mechanics, University of Arizona Experimental Study of Local Scour around Three Piers Groups
    April 10, 2019 Betty Bailey, Seepage Control, Inc. Water Conservation Through Pond and Lake Sealing in Southern Arizona
    March 13, 2019  Hans Huth, Water Harvesting and Erosion Control committee Engaging Homeowners Association on Water Harvesting in Common Areas: A First-Hand Account of Victories, Challenges, and Lessons Learned
    February 13, 2019 Michael Bogan, School of Natural Resources & the Environment, University of Arizona Dragonflies and Damselflies of the Lower Santa Cruz River: Brilliant Biodiversity and Opportunities for Community Engagement
    January 9, 2019 Andy Bennett, Tucson Audubon Society Stream Restoration in an Urban Environment: Lessons for Future Practitioners
    Date Speaker Topic
    November 14, 2018 Raye Winch, Community Food Bank; Flor Morales, SERI; & Candace Rupprecht, Tucson Water Promoting Health and Economic Justice in Rainwater Harvesting
    October 10, 2018 Courtney Crosson, College of Architecture, Planning and Landscape Architecture, University of Arizona Innovating the Urban Water System: Decentralized Approaches to Stormwater Mitigation 
    September 12, 2018 Sarah Randall, M.S. Candidate, Water, Society, and Policy, University of Arizona  The Flint Water Crisis: A Personal Account
    August 8, 2018 Adriana Zuniga-Teran, Udall Center for Studies in Public Policy, School of Landscape Architecture and Planning, University of Arizona   The State of the Cienega Watershed
    June 13, 2018 Julia Fonseca, Pima County Office of Sustainability and Conservation  Water Use and Water Law Along the Santa Cruz River
    May 9, 2018 Mary Nichols, USDA-ARS, Southwest Watershed Research Center Tucson The Geomorphic Legacy of Rangeland Water and Erosion Control Structures in Altar Valley 
    April 11, 2018  Kenneth Maits, Pima County Regional Flood Control District  Land-Use-Land-Cover Mapping at Less than 1 Meter Resolution in Pima County 
    March 14, 2018  Gary Woodard, Water Policy & Economics, Montgomery & Associates; Candice Rupprecht, Water Conservation Program Manager, Tucson Water  The Evolution of Conservation: From Slogans and Give-aways to Data-Driven Planning
    January 10, 2018  Evan Canfield, Pima County Regional Flood Control District  Estimating the Volume of Stormwater Available for Harvesting in Urban Pima County
    Date Speaker Topic
    December 13, 2017 Gail Morris, Southwest Monarch Study Program Chasing the Monarch Butterfly Migration through Arizona and the Southwest
    November 8, 2017  Claire Zugmeyer, Sonoran Institute Lessons Learned from the Living River Project
    September 13, 2017 Ricardo Aguirre, Holistic Engineering and Land Management, Inc. Flood Control Using Holistic Management
    August 20, 2017 Catlow Shipek, Watershed Management Group  The River Run Network - Connecting Landowners to Riparian Restoration Goals and Stewardship Actions 
    June 14, 2017  Ian Sharp, J.E. Fuller / Hydrology & Geomorphology, Inc. Upper Santa Cruz River Risk MAP Project / HEC-RAS 2D
    May 10, 2017 Robert Davis, Quiet Creek Unmanned Aerial Mapping Using Drones for Large-Scale Mapping
    April 12, 2017 Cyrus Miller & Michael Milczarek, J.E. Fuller/Hydrology & Geomorphology, Inc. & GeoSystems Analysis, Inc.  Upper San Pedro River Aquifer Recharge Program
    March 8, 2017 Eleonora Demaria, Southwest Watershed Research Center USDA-ARS Spatio-temporal Characteristics of Precipitation Intensities in Arizona: Implications for Storm Design 
    December 14, 2016  Jesse Minor, School of Geography and Development, University of Arizona Ecological Novelties on a Desert River: The Effects of Water Management and Land Degradation on the Santa Cruz River, Arizona 
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    Regional Flood Control District

    201 N. Stone Avenue, 9th Fl.
    Tucson, AZ 85701

    Phone: (520) 724-4600
    Fax: (520) 724-4621

    Customer Service Hours:
    8:00AM - 4:00PM

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