Texas City Goes High-Tech to Limit Water Loss

Aug. 4, 2014, The Wall Street Journal

As the Southwest U.S. grapples with a devastating drought, one Texas city is undertaking an experiment to conserve its rapidly depleting water supply.

Wichita Falls is mixing a biodegradable polymer with water and applying it to the surface of the Lake Arrowhead reservoir in hopes of reducing the rate of evaporation by about 10%.

The particles—made from hydrated lime and an extract of palm oil—form a molecular net that impedes water from escaping into the air.

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