Simple model for quantifying Cryptosporidium transport, dilution, and potential risk in reservoirs
2005
Antenucci, J. | Brookes, J. | Hipsey, M.
Copyright © 2005 American Water Works Association
Show more [+] Less [-]Outbreaks of waterborne disease have been associated with rainfall when pathogens are washed from the watershed and transported into reservoirs via riverine inflows. To help quantify the concentration and viability of Cryptosporidium contamination in lakes and reservoirs after such occurrences, the authors have developed a simple model that can be accessed online. In addition to the basic dynamics of inflows, the model includes fate transformations associated with temperature, ultraviolet light exposure, and sedimentation. The model's ability to predict inflow characteristics was tested during several inflows at three reservoirs in Australia. The data presented demonstrates the model's effectiveness as well as provides insight into the dynamics of inflow behavior in reservoirs and the processes affecting source water supply. Source water management is an increasingly important area of the water industry. Water utility operations and eventually public health can benefit from the effective use of a timing tool that can also help reduce treatment costs by selecting the best water for use in the plant.
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