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#2028 - Sustainable Approach to Managing Water Quality WEBINAR IEPA#5390

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#2028 - "A Sustainable Approach to Managing Potable Water Quality”    IEPA#5390

Delivered on: 8/4/2010
RTC Hours: 1 Total Hours: 1
Presented by: Bill Murfree, Utility Service Company Randy Moore, Utility Service Company

The Initial Distribution System Evaluation (IDSE) requirements of the Stage 2 Disinfectants and Disinfection Byproducts Rule will assist in locating areas of high disinfection byproducts within the distribution system which will require corrective action. The impact of the Long Term 2 Enhanced Surface Water Treatment Rule will require more effective disinfection and better disinfectant residual maintenance throughout the distribution system. The increasing regulatory pressure coupled with the drive towards sustainable best practices will require water plant mangers/operators to operate their facilities at the highest levels of sustainable performance. Water quality begins to degrade immediately once it enters the distribution system and begins to age within the storage facilities. Challenges to water quality maintenance from accumulation of disinfection byproducts, nitrification, bio-film
development, Iron/Manganese deposits, accumulated sedimentation, corrosion, depletion of chlorine residual and thermal stratification can be managed.

Tightening regulations for potable water quality are causing those responsible for its quality to look for new water quality management tools and methods to meet those requirements in the most sustainable manner possible. While the water quality management tools presented can be implemented separately, their adoption from the water plant through the distribution tanks provides a synergistic approach to water quality management. It’s also important to note that these tools are effective, sustainable and independent of the type of disinfectant used or the raw water source. The sustainable water quality management tools presented in detail involve chemical cleaning, active mixing and effective water storage tank asset management.

This presentation will review recent AWWA-RF data on mixing, or lack thereof, within water storage tanks. The role of passive and active mixing systems, chemical cleaning and sustainable asset management maintenance programs of the storage tank will be discussed to show how the combination can work synergistically to assist operators in the management of water quality within their storage tanks. Components of an effective water storage tank asset condition assessment will be reviewed along with how then to build an effective sustainable asset management program.

Participants will learn about new innovative sustainable strategies for the management of water quality from the water plant through storage by minimizing those things that consume disinfectant, namely, organic and inorganic materials through the use of chemical cleaning, tank asset management programs and active tank mixing to homogenize water chemistry within the storage tanks.

Illinois Section AWWA Members:  FREE; Nonmembers:  $30.00

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