Cal/EPA/Irvine ET Controller Residential Runoff Reduction Study
The Irvine Ranch water district conducted this ET controller study on 40 homes over a two-year period. The reduction in landscape runoff was 71%; similarly, the reduction in mass loading of pollutants from urban runoff was also 71%. The overall water use savings was found to be 22%.
Complete the form to download the full Residential Runoff Reduction study.