LUBBOCK, Texas (AP) — A North Texas city already has deployed two unusual techniques to try to cope with a persistent and lengthy drought, and Wichita Falls just added a third, more extreme tool to try to deal with its dwindling water supply. The hope is that adding a biodegradable palm oil-and-lime-based product on the surface of a lake that's the city's primary water supply will cut the evaporation rate of 40 million gallons a day by at least 10 percent, Russell Schreiber, the city's director of public works, said. Some have tried putting a layer of pingpong balls on water surfaces or laying out large tarps or plastic films. The anti-evaporation product, WaterSavr, has been around for about 10 years, according to Jason Bloom, a spokesman for Flexible Solutions, the Chicago company that makes the product and is handling the Wichita Falls program. In Texas, Barney Austin, a hydrologist and former director of surface water for the state water board, said he'll be interested to see whether the method affects the lake's oxygen levels and temperatures, and if those impact fish populations and aquatic plants.
Parched Texas City Hopes To Cut Lake Evaporation
By BETSY BLANEY, Associated Press, San Francisco Chronicle
Fri, 08/01/2014 - 1:55pm
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