Water

Water usage in commercial buildings accounts for nearly 10 percent of all water used in the United States, according to the U.S. Department of Energy. Buildings that use cooling towers for evaporative cooling can reduce water usage by employing more efficient water treatment technology.

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Published Water Reports

The GPG program, working with federal laboratories, has tested the following technologies in GSA buildings. Here are the published results, most recent on top.

• GPG-052: Blowdown Recovery System for Cooling Towers, August 2023*
• GPG-045: Monitoring & Partial Softening, October 2020*
• GPG-044: GSA Guidance for Cooling Towers, January 2020*
• GPG-040: Salt-Based & Chemical Inhibition for Cooling Towers, February 2019*
• GPG-039: Advanced Oxidation Process for Cooling Towers, January 2019*
• GPG-038: Electrochemical for Cooling Towers, December 2018*
• GPG-021: Wireless Soil-Moisture Sensors for Irrigation Control, April 2015
• GPG-019: Catalyst-Based Scale Prevention for Domestic Hot Water Systems, February 2015*
• GPG-018: Weather Station for Irrigation Control, January 2015*

*M&V Results Demonstrate Deployment Potential for GSA