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Contact KnowH2O

KnowH2O is created and maintained by PlayPumps International. Please contact info@playpumps.org with questions or comments about our organization or the KnowH2O website. You will receive a response within three-five business days. We appreciate your patience with our response, and thank you for taking the time to contact PlayPumps International.

You can also visit PlayPumps International's FAQ page for more information.

PlayPumps International US
1717 Rhode Island Ave., NW Suite 700
Washington, DC 20036 USA
T (202) 292 1775
F (202) 419 3122

PlayPumps International Africa
P.O. Box 916
Rivonia, 2128
Johannesburg, South Africa
T  +27 11 234 0341
F  +27 86 645 1040

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Join us on Razoo—a new online network to promote social good and to inspire others to get involved-then invite your friends to make a difference.


Join our Facebook causes and be part of the effort to build the Facebook/PlayPump water pump.


Engage and connect with PlayPumps International in the Think community.

  • Download the 100 Wasy to Get involved PDF
  • 33 Hold a silent auction at your school or workplace. Download the 100 Wasy to Get involved PDF
  • 46. Add a KnowH20 banner to your blog or website. Download the 100 Wasy to Get involved PDF
  • 62. Organize a benefit concert with local bands or artists. Download the 100 Wasy to Get involved PDF
  • 78. Challenge yourslef & others to conserve water. Download the 100 Wasy to Get involved PDF
  • 5. Give up soda for a week & donate the money you save. Download the 100 Wasy to Get involved PDF
  • 48. Write a letter to your local paper. Download the 100 Wasy to Get involved PDF