AWT: GSA Guidance for Cooling Towers

From 2010 to 2020, the average water rates GSA paid increased 78%. To address rapidly escalating costs and federally mandated water-reduction targets, GSA tested six alternative water treatment (AWT) technologies. On average, these AWT technologies have reduced cooling tower water use by 26%.

This report summarizes the first four evaluations. Two more evaluations will be completed by December, 2022.

Full-size infographic [PDF - 282 KB]

AWT for Cooling Towers

[PDF - 282 KB]


Reference above to any specific commercial product, process or service does not constitute or imply its endorsement, recommendation or favoring by the U.S. government or any agency thereof.

Last Reviewed: 2023-06-01