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AWWA ACE68962
- Controlling the Blend of Chlorinated and Chloraminated Source Waters: Case Studies from Two Southern California Utilities
- Conference Proceeding by American Water Works Association, 11/01/2008
- Publisher: AWWA
$12.00$24.00
This powerpoint presentation begins by providing a brief overview of chloramine chemistry and water quality issues that can arise from nitrification. The impact of source water blending on nitrification is presented, along with a brief overview of case studies at Western Municipal Water District (WMWD) and at the City of La Habra. Presentation summary and conclusions indicate the following: WMWD concluded that chloramination of theirMurrieta wells would allow maximum operationalflexibility throughout the year;La Habra did not observe significant nitrification in thesystem, likely due to wintertime free chlorination (i.e.,burnout); and,considerations for utilities blending chlorinated andchloraminated source waters include location of blending - reservoir/tank or pipeline, seasonal water usage - natural free Cl<sub>2</sub> burnout periods, and disinfection byproduct (DBP) formation potential and possibility of breakpointchlorination. Includes tables, figures.
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