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Water  |  Videos  |  Audio

Graywater Guerrillas

Learn how to reuse graywater, harvest rainwater, and install composting and dry toilets.
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In this google Tech Talk (recorded in May 2010) Laura Allen and Gregory Bullock show how to reuse graywater, harvest rainwater, and install composting and dry toilets.

Laura Allen is a founding member of Greywater Action (formerly the Greywater Guerrillas). Gregory Bullock is the founder of Bang for your Green Buck, an environmental enterprise that designs sustainable, productive landscapes that grow food through greywater irrigation and rain harvesting.


graywater guerillas slide show

Take a peak into a graywater renegade's backyard.

To listen to the companion radio segment, click here. Note that this radio show was produced in 2007, and legislation has since changed, making it legal and more affordable to recycle your own graywater.

This slide show was produced by Quest, a KQED multimedia series exploring Northern California science, environment, and nature. 


  • Greywater Action: Learn more about your graywater from this group of educators, designers, builders, and artists who empower people to build sustainable water culture and infrastructure.
  • Compost Toilets and Self-Rule: The ecological toilet is one of today's most hope-filled expressions of people's power. How composting toilets help us take back our power and autonomy.
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