DESIGNING FOR ALGAE PROLIFERATION IN A NEW RECLAIMED WATER RESERVOIR
Abstract:Forest Lake reservoir in Pebble Beach, California is a former potable water reservoir that has been converted to a reclaimed water reservoir. The reservoir fills during the winter months and stays full throughout the spring and then is gradually depleted during the summer months. Detention times can range from 2 to 8 months. The long detention times along with other factors provide potential for significant algae growth in the reservoir. The challenge at Forest Lake reservoir was to design a treatment system flexible enough to address a wide range of conditions and to mitigate the negative consequences associated with algae proliferation, such as increased pH, anoxic conditions, malodors and clogging of irrigation sprinklers. A four step process was developed for the control of algae. During the first year of reservoir operation, the four step process was able to accommodate the wide range of conditions encountered and still produce a suitable effluent for golf course irrigation.
Document Type: Research Article
Publication date: January 1, 2007
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