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Greywater Action teaches residents and tradespeople about affordable and simple household water systems that dramatically reduce water use and can play a critical role in drought resilience, climate adaptation, and the return of healthy stream ecosystems. We welcome and appreciate donations of all sizes! Your support and generosity helps us educate and empower communities to build a sustainable water culture.

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Greywater Action is a fiscally-sponsored project of the 501c3 nonprofit organization The Ecology Center in Berkeley, California. All contributions are tax-deductible in the US. If you would like to donate by check, make your check payable to "Ecology Center - Greywater Action" and mail it to Ecology Center, 1231 2nd Street, Berkeley, CA 94710. To contact us, email