Wichita Falls Considering Chemical for Drought Relief

Desperate to keep the precious little water left in its reservoirs from evaporating, the city of Wichita Falls may turn to a chalk-like powder for help.

City officials are hopeful that a biodegradable polymer approved by the Texas Commission on Environmental Quality could suppress lake water evaporation by up to 30 percent when it is applied to the lake's surface. If trial runs are successful, the City Council could decide whether to buy a 75-day summer supply that would cost about $400,000.

Wichita Falls is experiencing the worst period of drought in its history, and city leaders have ...

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