Greywater Action is a collaborative of educators who teach residents and tradespeople about affordable and simple household water systems that dramatically reduce water use and foster sustainable cultures of water. Through hands-on workshops and presentations, we've led thousands of people through greywater system design and construction and work with policymakers and water districts to develop codes and incentives for greywater, rainwater harvesting, and composting toilets. We believe that decentralized conservation measures can play a critical role in drought resilience, climate adaptation, and the return of healthy stream ecosystems.