Aug 11

Luncheon Event August 25 2015

Robust Risk Analysis, Bottom up Climate Preparedness, and

Multi-objective Optimization:  The Future of Water Utility Planning?

AWRA Colorado Section, August 25, 2015

Leon Basdekas, Ph.D., PE

Principal Water Resources Engineer

Colorado Springs Utilities (CSU)


The complexity of municipal water supply planning is increasing significantly with factors such as climate change, infrastructure vulnerability, demand uncertainty, a dynamic  legal and regulatory environment, and changing social values to name a few.  This complexity requires a robust framework for planning and decision making, in which future situations and potential solutions can be processed and evaluated simultaneously based on different objectives while accounting for the associated uncertainty.  Colorado Springs Utilities (CSU) is currently engaged in its Integrated Water Resource Plan (IWRP) to address these complex planning factors across multiple time scales.

The modeling framework developed at CSU allowed the IWRP team to consider tens of thousands of plausible risk factor combinations and the resulting impacts to our water supply system.  Climate change impacts were considered by using a bottom up approach and stress testing our water supply system in order to search for possible sign posts for policy or infrastructure decisions.  Additionally, a state-of-the-art multi-objective optimization model was coupled with the system simulation model to effectively and efficiently search for improved system performance metrics across a large subset of climate and other risk factors.  The framework is being used to help evaluate and compare the effects of uncertainties and management strategies in the long-term for the multiple and sometimes conflicting management objectives.


Speaker Bio

Leon Basdekas has 20 years of experience in a wide range of water resources engineering projects working in federal government, academic research, private consulting and municipal government.  His experiences includes field engineering, operations modeling, water quality modeling, multi-objective optimization modeling and policy support.  He earned a B.S.  in Geology from the University of Maryland, a B.S. in Civil Engineering from Northern Arizona University and a Ph.D. in Civil and Environmental Engineering from Utah State University.   Currently he is the Project Manager for CSU’s Integrated Water Resources Plan, engaged in general project management as well as leading the technical analysis efforts.  Leon also supports and advises on other larger regional water planning activities.



Denver Water – Board Room
Brown Bag Lunch and Networking at 12:00, Program at 12:30
Visit Denver Water’s website for directions to their main office

(the building outlined in red with the blue Denver Water symbol).



We will not be ordering lunch for this event. Please feel free to “brown-bag-it” 

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