We have used recycled water ...
Published by Gary L. Guymon PhD, Profeesor Emeritus, UC Irvine, Deoartment of Civil and Environmental Engineering
We have used recycled water for years in California. Generally the water used is from domestic waste and treated by primary, secondary, and tertiary treatment such that it has no BOD and is essentially the same quality as potable water. If the source is not domestic, be careful!