The Ecology website and applications will not be available on the morning of Saturday, October 4th due to network maintenance. Read more...
Rainwater Collection Information Sources
Economics (Payback Period Calculations)
Green Building / Water Conservation
Laws, Codes and Ordinances
Washington’s History of Unsuccessful Legislation on Rainwater Collection:
Water Resources Program
Copyright © Washington State Department of Ecology. See http://www.ecy.wa.gov/copyright.html.