Chlorine Decay, Water Age, and THMs - OH MY - Ohiowater.org
Chlorine Decay, Water Age, and THMs - OH MY - Ohiowater.org
Chlorine Decay, Water Age, and THMs - OH MY - Ohiowater.org
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<strong>Chlorine</strong> <strong>Decay</strong>, <strong>Water</strong> <strong>Age</strong>, <strong>and</strong> <strong>THMs</strong> – <strong>OH</strong> <strong>MY</strong>Hydraulic Modeling - <strong>Water</strong> <strong>Age</strong>• Hydraulic modeling based on system operations• Computerized map of distribution system• Pipe sizes <strong>and</strong> lengths• 6-inch <strong>and</strong> greater diameters typical• 4-inch <strong>and</strong> greater for small systems• Flow from plant through system• Software predicts flow patterns <strong>and</strong> water age• Some software can predict water quality changes• <strong>Water</strong> age map color coded corresponding to predictions• Low water age near treatment plant• High water age at extremities• Related to residual decay <strong>and</strong> DBP formation18
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