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Balancing Engineered Storage, Treatment, and Monitoring in Direct Potable Reuse

Date: April 9, 2015

Related Research: Project 12-06

Indirect potable reuse (IPR) is an important and increasing part of our nation’s water supply portfolio. The reuse discussion is now turning to direct potable reuse (DPR), which eliminates the environmental buffers (aquifers and surface water systems) characteristic of the current IPR paradigm.

This webcast presents the results of a WateReuse Research Foundation project (12-06), which develops an approach to engineered storage that allows a safe, reliable, and practical transition from IPR to DPR. The value provided by environmental buffers in current IPR installations includes (1) storage and the response retention time (RRT) associated with that storage, (2) opportunities for monitoring, and (3) additional treatment capacity. To make engineered storage practical, its size must be kept to a minimum, but within the boundaries of what is safe and reliable. Defining this balance between RRT, monitoring, and treatment is therefore at the core of this project.

Presenter

Eva Steinle-Darling is a Lead Technologist with Carollo Engineers in Austin, TX. She has a BSE in Chemical Engineering from Princeton University and an M.S. and Ph.D. in Environmental Engineering from Stanford University. Her work with Carollo focuses on water reuse, including research, planning, feasibility studies, and design for potable and nonpotable reuse projects.

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