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Welcome to the Intermountain Section AWWA’s 2021 Annual Conference
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Thursday, October 10 • 11:30am - 12:00pm
THMs after the Fire: Water storage tanks a smart and active agent in the management and improvement of water quality

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Elevated trihalomethane (THM) levels are the most common violations of the Stage 2 DBP Rule in the United States. Municipalities across the country have employed a variety of methods to reduce THM formation rates. Utilities can incur costly and lengthy treatment plant upgrades, which often provide inadequate reduction levels in distribution networks due to continued THM formation at points distant from treatment plants.
Active tank mixing, in-tank aeration, and head-space ventilation systems are three tools that through thoughtful combination, can yield meaningful reductions in distribution system THM levels. These technologies make water storage tanks a smart and active agent in the management and improvement of water quality instead of a passive vessel holding water of uncertain quality.
In the past, THM reduction literature focused on the extensive deployment of capital equipment that obligated utilities to even greater lifetime energy consumption costs. Today, with a decade of compliance data from a variety of different system configurations, manufacturers can dramatically lower initial capital costs and significantly reduce energy costs while guaranteeing compliance.
A number of case studies depicting a variety of equipment options as well as process control options that represent the current state-of-the-art will be profiled to underscore the use of water reservoirs to help manage distribution network THM levels.

Speakers
JR

Jeff Rhodes

Senior Product Manager, THM Removal System, UGSi Solutions, Inc.
Ethan Brooke Senior Product Manager, THM Removal System, PSI Water Technologies, Inc. Ethan Brooke is an internationally recognized expert on aeration technologies for trihalomethane (THM) removal. His master’s thesis on THM aeration was published in the Journal American Water... Read More →


Thursday October 10, 2019 11:30am - 12:00pm MDT
Boiler Room