ID:
publications-4696
Type:
article
Year:
1994
Authors:
Clark, Robert M. and Clark, Robert M. and Grayman, Walter M. and Grayman, Walter M. and Goodrich, James A. and Goodrich, James A. and Deininger, Rolf A. and Deininger, Rolf A. and Skov, Kenneth and Skov, Kenneth
Title:
Measuring and Modeling Chlorine Propagation in Water Distribution Systems
Venue/Journal:
Journal of Water Resources Planning and Management
DOI:
10.1061/(asce)0733-9496(1994)120:6(871)
Research type:
Water System:
Technical Focus:
Abstract:
Until recently most emphasis on implementing Maximum Contaminant Levels (MCLs) under the Safe Drinking Water Act and its Amendments (SDWAA) has been focused on drinking water as it leaves the treatment plant. However, the SDWAA has been interpreted as requiring that its MCLs must be met at the consumer's tap. This interpretation has forced consideration of the drinkingβ€water distribution system when measuring and monitoring contaminants for SDWAA compliance. It is increasingly apparent that water quality can undergo significant deterioration between the treatment plant and the consumer's tap. A field study conducted in conjunction with the South Central Connecticut Regional Water Authority using a contaminant propagation model demonstrated long residence times in one of its service areas, which suggested potential difficulties in maintaining chlorine residuals throughout the system. A followβ€up study verified that maintaining residuals is difficult and demonstrated that a simple firstβ€order decay model as...
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