UC Master Gardener Mary Steele has a trusty top-loading Maytag washer that was built before newer, water-saving models were on the market. Not wanting to dispose of her perfectly good washing machine, and concerned about conserving water, she decided to have a system installed to recycle laundry graywater for use in her Laguna Niguel front yard.

Steele, a UC Master Gardener in Orange County since 2000, brought in a contractor to install a valve behind her washing machine and flexible tubing to channel graywater to mulch pits in the front yard. The pits ensure that there is no graywater runoff or pooling on the property, important factors for using the recycled water. Steele found that the pits also work well for distributing...