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Recent Webinar: 

Keeping Your Assets Above Water – Forecast-informed reservoir operations to help deal with climate change impacts

John Moynier

Vice President, Water/Wastewater Business Development at Parsons Corp.

Tuesday, June 21st   Noon-1PM

View a recording on our YouTube channel
Or by phone: (571) 317-3122; Access Code: 365-584-94



Climate change and its impact on water supplies is obviously a hot topic in today’s news, especially as agencies look again towards mandatory water conservation measures and cutbacks in water deliveries for a broad range of uses. One of the most hotly debated topics is the subject of water storage. We hear a lot about the potential for new dams, and that is certainly worth discussing, but we are only recently looking at opportunities to manage our existing dams and reservoirs differently in order to maximize their water storage capabilities. 

We are looking at a paradigm shift in the way things have been done over the last hundred years or more, and now water managers are looking at applying technology (such as the newly coined “Forecast Informed Reservoir Operations” or “FIRO” programs), or through changes in operations, such as the restoration of the water storage capacity of the existing dams that has been lost through sedimentation.  Fortunately, there are now examples throughout the state of initial efforts to address this challenge.

This presentation provides several examples of how communities are preparing (or not) for the anticipated effects climate change and the “new normal” of expected water supplies and storage. We will consider the environmental and social impacts, as well as potential impacts to flood protection and hydropower energy production that might result from a paradigm shift in future reservoir and water storage operations. 


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 subcribe 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.

Previous Webinars:


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

Impacts of Freshwater Harmful Algal Blooms on Recreational Beneficial Uses: the Water Board's FHABs Program

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


Climate Change Effects at Higher Elevations

Lake Ice Dynamics and How That May Impact Ecology and/or Water Supply

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

Learning From OneWorker’s Death: Using Investigation Findings and Digital Stories to Highlightand Prevent Lake Maintenance Worker Drownings

Presenters:  Laura Styles & Tracy Barreau

Tuesday March 29, 2016

  • YouTube
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