In this section

2019 Conference Agenda

Co-hosted by NSF International and the National Environmental Health Association, the 2019 Legionella Conference gained participation from academia, manufacturers, government organizations and more.

Based on challenges and case studies presented at the 2019 event, the 2020 conference theme will focus on solutions and practical and effective strategies to manage risk related to building water systems, with a special focus on health care facilities.

Legionella Conference 2019: The Sustainability and Public Health Nexus
Presented by NSF International and the National Environmental Health Association

Wednesday, September 11

California Ballroom
1:00 p.m. 10 mins Welcome and Introduction of Keynote David T. Dyjack, Dr.PH, CIH, National Environmental Health Association
1:10 p.m. 15 mins Keynote Address Patrick Breysse, Ph.D., National Center for Environmental Health/Agency for Toxic Substances and Disease Registry (NCEH/ATSDR) of the Centers for Disease Control and Prevention
1:25 p.m. 10 mins Conference Overview/Recap of 2018 Dr. Joseph Cotruvo, Joseph Cotruvo & Associates
1:35 p.m. 15 mins NASEM Report on the Management of Legionella in Water Systems Dr. Michèle Prévost Ph.D., Drinking Water of the Natural Sciences and Engineering Council of Canada (NSERC), Civil Engineering, Polytechnique Montreal
1:50 p.m. 20 mins Aqueous Solutions for Local Practitioners David T. Dyjack, Dr.PH, CIH, National Environmental Health Association
2:10 p.m. 20 mins Legionella and the Regulatory Gray Zone Wendi Wilkes, Association of State Drinking Water Administrators
2:30 p.m. 20 mins Being Local Health Avengers in the Age of Legionella E. Oscar Alleyne, Dr.PH, MPH, National Association of County and City Health Officials
2:50 p.m. 15 mins Break
3:05 p.m. 20 mins AWWA’s Premise Plumbing/Beyond the Meter Subcommittee Hélène Baribeau, Ph.D., P.E, Brown and Caldwell
3:25 p.m. 20 mins Recent Legionella Needs Survey of State and Territorial Health Officials Alexandra Seifert, Association of State and Territorial Health Officials
3:45 p.m. 45 mins PANEL: Status of Regulatory Frameworks for Building Water Systems, Sustainability and Public Health

Moderator: Chris Boyd, NSF International

David T. Dyjack, Dr.PH, CIH, National Environmental Health Association
E. Oscar Alleyne, Dr.PH, MPH, National Association of County and City Health Officials
Alexandra Seifert, Association of State and Territorial Health Officials
Hélène Baribeau, Ph.D., P.E, Brown and Caldwell
Wendi Wilkes, Association of State Drinking Water Administrators
4:30 p.m. 15 mins Q & A / Open Discussions
4:45 p.m. Visit Sponsors and Posters California Foyer / Attend Reception On the Westin's Plaza Deck

Thursday, September 12

Thursday's schedule has focused tracks that run in tandem.

Track #1: San Francisco/Sacramento Room

Water Distribution Systems: The Shared Responsibility in Managing Legionella Risk
8:00 a.m. 25 mins Public Water System Characteristics That May Affect Legionella Occurrence in Building Water Systems Ken Rotert, EPA Office of Ground Water and Drinking Water
8:25 a.m. 20 mins Occurrence of Legionella pneumophila in Drinking Water Distribution Systems Mark LeChevallier, Ph.D. Dr. Water Consulting, LLC
8:45 a.m. 5 mins Break
8:50 a.m. 25 mins A Bayesian Approach to Managing and Predicting Legionella Colonization of Aeration Systems in Groundwater Treatment Danladi Yunana, UNSW Sydney
9:15 a.m. 20 mins Particulate in United States and European Drinking Water: A Nutrient Threat and Infection Risk Michael Castro, MPH, Pall Medical
9:35 a.m. 10 mins Q&A / Open Discussions
9:45 a.m. 5 mins Break
Cooling Tower Water Systems: Public Health and Sustainability Goals
9:50 a.m. 20 mins Cooling Tower and Water Basics Kenneth Mortensen, SPX Cooling Technologies
10:10 a.m. 20 mins The AWE Cooling Technologies Study: Assessing Municipal Cooling Water Demands, Conservation Potential and Alternative Technologies Mary Ann Dickinson, Alliance for Water Efficiency
10:30 a.m. 45 mins Break - Posters/Exhibits/Refreshments in California Foyer
11:15 a.m. 25 mins Keep Austin Chillin': A Strategy to Reduce Cooling Tower Water Demand Robert Stefani, Austin Water Conservation Division
11:40 a.m. 20 mins Q & A / Open Discussions
12:00 p.m. 60 mins Lunch (Catalina Ballroom)
1:00 p.m. 25 mins Cooling Tower and Public Health Nexus: Why Legionella Should Not Be the Only Deciding Factor Between Air Vs. Water Cooling Patrick Racine, DuBois/Aqua-Analytics
1:25 p.m. 20 mins Legionella Testing Best Practices Grant Newhouse, Sustainable Water Solutions LLC
1:45 p.m. 20 mins Critical Conditions for Effective Water Management Chris Ebener, LiquiTech
2:05 p.m. 20 mins Q&A / Open Discussions
2:25 p.m. 5 mins Break
2:30 p.m. 40 mins PANEL: Incorporating Cooling Towers Into Water Sustainability and Resiliency Goals – Case Studies of Water Reuse Projects

Moderators: Mary Ann Dickinson, Alliance for Water Efficiency and Maureen Erbeznik, Los Angeles Better Buildings Challenge

Eric Rodriguez, University of California Los Angeles
Mark Gentili, Los Angeles Department of Water and Power
KariLyn Merlos, San Diego County Regional Airport Authority
3:10 p.m. 25 mins Q&A / Open Discussions
3:35 p.m. 45 mins Break - Posters/Exhibits/Refreshments in California Foyer
4:20 p.m. 60 mins PANEL: Developing Standardized Cooling Tower Registration Systems to Meet Public Health and Sustainability Goals

Moderator: Mary Ann Dickinson, Alliance for Water Efficiency

Chris Radziminski, City of Vancouver
Hrair Achkarian, Groveware Technologies Inc.
Chris Boyd, NSF International
5:20 p.m. 20 mins Q&A / Open Discussions
5:40 p.m. Wrap-up

Track #2: San Jose Room

Advances in Pathogen Sampling and Testing
8:00 a.m. 25 mins Whole-Genome Sequencing and Comparative Genome Analysis Vicente Gomez-Alvarez, Ph.D., U.S. EPA
8:25 a.m. 20 mins Improved Management of Legionella Risks Using Rapid On-Site Testing Richard Campbell, Hydrosense Ltd.
8:45 a.m. 5 mins Break
8:50 a.m. 25 mins A Novel On-Site qPCR Legionella Detection Technology Accurately Quantifies Legionella Contamination in HVAC Cooling Towers Shaimaa Ahmed, Ph.D., Spartan Bioscience
9:15 a.m. 20 mins Elucidation of the Microbiota in the Bath Water by 16S rRNA Metagenome Analysis Akihiro Kondo, Ph.D., Hiyoshi Corporation
9:35 a.m. 10 mins Q&A / Open Discussions
9:45 a.m. 5 mins Break
9:50 a.m. 20 mins Summary of Performance of Legiolert Vs. Standard Methods for the Quantification of Legionella pneumophila in Non-Potable Water Samples Dan Broder, IDEXX
10:10 a.m. 20 mins New Open-Cell Foam Sampling Methods for Legionella to Mitigate Risks of False Non-Detects Scott Smith, AquaFlex Holdings LLC
10:30 a.m. 45 mins Break - Posters/Exhibits/Refreshments in California Foyer
11:15 a.m. 25 mins Development of Disinfectant for Legionella and Amoeba Akihiro Kondo, Ph.D., Hiyoshi Corporation
11:40 a.m. 20 mins Q&A / Open Discussions
12:00 p.m. 60 mins Lunch (Catalina Ballroom)
Sustainable Water System Design for Pathogen Control
1:00 p.m. 25 mins Measurement Science Research Roadmap for Premise Plumbing William M. Healy, Ph.D., National Institute of Standards and Technology
1:25 p.m. 20 mins Optimizing Plumbing Systems for Legionella Control Patrick Fedor, Georg Fischer Piping Systems
1:45 p.m. 20 mins How to Determine If a Plumbing System Is Capable of Doing an Emergency Heat and Flush Disinfection Ronald George, Plumb-Tech Design & Consulting Services
2:05 p.m. 20 mins Q&A / Open Discussions
2:25 p.m. 5 mins Break
2:30 p.m. 20 mins A Novel Water Heating System for Pathogen Control David Yashar, Ph.D., National Institute of Standards and Technology
2:50 p.m. 20 mins The Minimization of Legionella Proliferation in Recirculating Domestic Hot Water Systems Robert Homeyer, Homeyer Consulting Services, Inc.
Cory Hoffman, Armstrong International, Inc.
Larry Rubin, M.Ed., CPE, CEM, CHFM, CHSP, CHC, Cleveland Clinic Florida
3:10 p.m. 25 mins Q&A / Open Discussions
3:35 p.m. 45 mins Break - Posters/Exhibits/Refreshments in California Foyer
4:20 p.m. 20 mins Legionella and Plumbing Engineering: Where are the Gaps? Christoph Lohr, Henderson Engineers
4:40 p.m. 60 mins PANEL: Updating the Plumbing Code to Meet Sustainability and Public Health Goals

Moderator: William M. Healy, Ph.D., National Institute of Standards and Technology

Christoph Lohr
Carol Johnson
Peter Kraut
Joe Scott
Keith Bush, CPD, CSI, GPD

American Society of Plumbing Engineers
5:40 p.m. 20 mins Q&A / Open Discussions
6:00 p.m. Wrap-up

Track #3: San Diego Room

Water Management Strategies and Best Practices
8:00 a.m. 25 mins What is ASHRAE Doing for Building Water Safety? Michael P. Patton, Griswold Water Systems
8:25 a.m. 20 mins Legionella Risk in the Age of Sustainability John H. Hanlin, Ph.D., MBA, B.Sc., Ecolab
8:45 a.m. 5 mins Break
8:50 a.m. 25 mins Water Conservation Goals and Public Health: Responding to Unintended Consequences Hugo Aguilar, P.E., IAPMO
9:15 a.m. 20 mins The Water Safety Plan Strategy in Europe During the Two Last Decades for Legionella Control in Hospital Settings and Public Buildings Philippe Hartemann, aqua-tools, Inc., Nancy School of Medicine
9:35 a.m. 10 mins Q&A / Open Discussions
9:45 a.m. 5 mins Break
9:50 a.m. 20 mins Reduce Impact: Management of a Nosocomial Outbreak of Legionella in a Private Hospital André Monteiro, José de Mello Saúde
10:10 a.m. 20 mins Place of Point-of-Use Filters in a Multifaceted Strategy Against Waterborne HAIS in Hospital Settings Marc Raymond, aqua-tools, Inc.
10:30 a.m. 45 mins Break - Posters/Exhibits/Refreshments in California Foyer
11:15 a.m. 25 mins Creating and Monitoring a Successful Water Management Program Girlie Manatad
Co-Presenter: Jon Sege

NewYork-Presbyterian Hospital
11:40 a.m. 20 mins Quality Monitoring and Continual Improvement of the Public Services and Procurement Canada Legionella Management Program Jeff Moffat, Public Services and Procurement Canada
12:00 p.m. 60 mins Lunch (Catalina Ballroom)
1:00 p.m. 25 mins Proactive Monitoring of Building Water Quality Jennifer Liggett, Jacobs (Digital Solutions Group)
1:25 p.m. 20 mins Hygiene in Potable Water Installations in Buildings: Triangle for Maintaining Potable Water Quality Christian Schauer, Ph.D., Viega Technology GmbH & Co. KG
1:45 p.m. 20 mins Q&A / Open Discussions
2:05 p.m. 20 mins Water Conservation Goals, Your Water Management Plan and the Importance of Sub-Metering Patrick Racine, DuBois/Aqua-Analytics
2:25 p.m. 5 mins Break
2:30 p.m. 20 mins A Road Map to Net Zero / Positive Water Buildings Joseph Gallegos, Grey4Green-Grewywater Equipment
2:50 p.m. 20 mins Training for Culture Change Through a Multi-Layered Approach to Water Safety Adrian Thompson, PPL Training Ltd.
3:10 p.m. 25 mins Q&A / Open Discussions
3:35 p.m. 45 mins Break - Posters/Exhibits/Refreshments in California Foyer
4:20 p.m. 60 mins PANEL: Ensuring Successful Implementation of Water Safety and Sustainability Efforts: Training Programs for Facility Managers and Engineers

Moderator: Wayne Alldredge, Urban Green GPRO Operations & Maintenance

Richard Benkowski, United Association
Patrick Shaw, Building Owners and Managers Association
Michelle McFadden, U.S. Green Building Council – LA
5:20 p.m. 20 mins Q&Amp;A / Open Discussions
5:40 p.m. Wrap-up

Friday, September 13

California Ballroom
8:00 a.m. 20 mins Prescriptive, Performance-Based Standards for Consistent Expectations for Health Departments and Building Owners Chris Boyd, NSF International
8:20 a.m. 20 mins Importance of Having an Effective Communication Plan if Legionella Is Detected Jeff Moffat, Public Services and Procurement Canada
8:45 a.m. 25 mins The Basis for Criminal and Civil Liability for Public Health Officials in State Public Health Law and Ethical Perspective on Risk Communication During Outbreaks Lance Gable, Wayne State University Law School
9:10 a.m. 25 mins How Public Health Officials Can Make Defensible Decisions With Limited Data During an Outbreak Denise Chrysler, Network for Public Health Law
9:35 a.m. 20 mins How State and Territorial Health Officials Are Responding to Outbreaks in Light of Flint Legionella Manslaughter Charges Andy Baker-White, Association of State and Territorial Health Officials
9:55 a.m. 25 mins The Legal Side of Legionella and Other Waterborne Pathogens – What You Need to Know to Reduce Risk and Liability Russell Nassof, J.D., RiskNomics LLC
10:20 a.m. 45 mins Break - Posters/Exhibits/Refreshments in California Foyer
11:05 a.m. 55 mins PANEL: Understanding Criminal and Civil Liability for Public Health Officials and Building Owners After the Flint Legionella Manslaughter Charges

Moderator: Chris Boyd, NSF International

Denise Chrysler, Network for Public Health Law
Lance Gable, Wayne State University Law School
Russell Nassof, J.D., RiskNomics LLC
Andy Baker-White, Association of State and Territorial Health Officials
11:55 a.m. 20 mins Q & A / Open Discussions
12:15 p.m. Wrap-up