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CALMS Webinar:
Update to General NPDES Permit
View a recording of this webinar
Wednesday, April 8 at Noon (PT)
Presenter: Gurgagn “Gur” Chand
Water Resource Control Engineer with the State Water Resources Control Board’s Division of Water Quality
Join with Google Meet: https://meet.google.com/jdd-zvgn-gpa
Or dial: (US) +1 508-603-6197 PIN: 643 131 257#
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The California Lake Management Society facilitates short web-based seminars discussing various lake management techniques and principles, they are open to anyone who would like to listen in or participate. Be sure to subscribe to the CALMS Newsletter to receive updates about upcoming webinar events, with instructions for how to join them.
We also host links to other lake management webinars, such as the "Mercury in Reservoirs" series from USGS.
Check out our YouTube Channel to view recordings of recent webinars and other presentations, or click one of the webinar titles below.
Previous Webinars:
Update to General NPDES Permit
Presenter: Gurgagn Chand
April 8, 2026
Harmful Algal Bloom Industry Roundtable Pt 2: HAB Treatment Technology
Presenters: Oase, SePRO, and Biosafe Systems
March 4, 2026
Harmful Algal Bloom Industry Roundtable Pt 1: HAB Monitoring Technology
Presenters: LakeTech, Phytoxigene, and Yokogawa Fluid Imaging Technologies
February 25, 2026
State Tools and Resources for Tackling Harmful Algal Blooms in CA
Presenters: Carly Nilson & Karen Odkins
February 11, 2026
Fish and Fire - Impacts of Mega-wildfires on Lake Fish Based on Stable Isotope Data
Presenter: Christina Parisek
May 7, 2025
Water Quality Sonde Round Table
Presenters: Reps from Solinst/Eureka, In-Situ, PME, and Aquatic Sensors
April 30, 2025
Challenges Facing the Great Salt Lake and Utah Watersheds
Presenters: Luke Peterson & Addy Valdez
March 26, 2025
Golden Mussels: Impacts and Lessons Learned from Brazil
Presenter: Mauro de Freitas Rebelo
January 23, 2025
Cyanobacterial Bloom vs. Aquatic Weed Mitigative Strategies: A Managerial Dilemma?
Presenter: David A. Caron
June 12, 2024
The Biology and Water Quality of the Central Arizona Project
Presenter: Scott Byran
May 16, 2024
Risk Management Strategies for Microplastics in Aquatic Environments
Presenter: Scott Coffin
April 7, 2024
Clear Lake's Toxic Legacy: Exploring Cyanotoxin Production and Its Impact on Beneficial Uses
Presenter: Sarah Ryan
March 28, 2024
Exploring Cyanobacteria Dynamics in the Sacramento-San Joaquin Delta
Presenter: Ellen Preece
September 19, 2023
Using Satellite Data to Examine CyanoHABs in CA's Large Waterbodies
Presenter: Randy Turner
June 28, 2023
Presenter: Lars Anderson
May 23, 2023
Management of CyanoHABs and Current Issues
Presenter: Rick Amalfi
April 27, 2023
The Chemical Class Approach towards Healthier Products and People
Presenter: Arlene Blum
March 22, 2023
Methylmercury production, uptake, and export from a seasonally anoxic reservoir
Presenter: Austin Baldwin
February 23, 2023
Presenter: John Moynier
June 21, 2022
Assessing Reservoir Re-Operations to Improve Aquatic Habitat
Presenters: Marisa Escobar & Doug Chalmers
May 19, 2022
California’s Bioaccumulation Monitoring Program and Safe to Eat Workgroup (STEW)
Presenters: Anna Holder
March 25, 2022
Modelling the Effects of Land Development and Climate Change on Patagonian Lakes
Presenters: Micah Swann
July 28, 2021
Wastewater Surveillance for COVID-19
Presenters: Laura Scott & Tiang Gim Aw
May 6, 2021
Citizen Science in Watershed Education
Presenter: Nina Levin
March 30, 2021
Microplastics in Lake Mead National Recreation Area: Occurrence and Biological Uptake
Presenter: Austin Baldwin
June 17, 2020
Managed Nitrate Addition for Lake Water Qualty Enhancement
Presenter: Marc Beutel
May 20, 2020
Presenter: Keith Bouma-Gregson
April 20, 2020
A Review and Perspective on Dam Safety in the US and California
Presenter: Martin W. McCann, Jr.
February 11, 2020
Application of Satellite Remote Sensing for Routine Monitoring of Water Quality in Water-Utility Lakes and Reservoirs
Presenter: Seyoum Gebremariam
July 23rd, 2019
Presenter: Tim Caldwell
March 6, 2019
USGS "Mercury in Reservoirs" Series
View the presentations and supporting materials on the USGS website
Seven webinars, Topics include mercury sources from historical gold mining, mercury methylation and bioaccumulation in food webs, management tools, and current scientific studies in California and elsewhere in the western U.S. that are addressing mercury issues.
February 14 - May 2, 2018
Managing Aquatic Invasives In Your Lake
Best Practices For Inspection and Decontamination
Presenters: "Quagga D" Davis & Debi DeShon
Tuesday, May 3, 2016
Lake Maintenance Guidance
Presenters: Laura Styles & Tracy Barreau
Tuesday March 29, 2016
