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WaterSense and its professional certifying organization partners jointly maintain the Directory of Certified Professionals. Updates to the directory are made quarterly and reflect the best information available at the time. Individuals listed in the directory have successfully completed all requirements of at least one WaterSense labeled professional certification program.

*Disclaimer of Endorsement: Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government.