Laura Allen is a founding member of Greywater Action and has spent the past 15 years exploring low-tech, urban,sustainable water solutions. She is the lead author of the San Francisco Graywater Design Guidelines for Outdoor Irrigation, and authored The Water-Wise Home: How to Conserve and Reuse Water in Your Home and Landscape (Storey Press, 2015). She has a BA in environmental science, a teaching credential, and a master’s degree in education. Laura leads classes and workshops on rainwater harvesting, greywater reuse, and composting toilets. Laura has presented widely on greywater reuse, including at the Water Smart Innovations Conference, Bioneers, California Environmental Health Association conference, and California Landscape Contractors Association conference. She’s participated in state greywater code developments in California and Washington State and was on a committee to write a draft composting toilet code for IAPMO. Laura was featured in an Ask This Old House episode on greywater and was the 2014 recipient of the Silicon Valley Water Conservation Award of Water Champion.