At the Edith Green Wendell Wyatt Federal Building, greater than 60% water savings will be achieved through a dual strategy of incorporating water conserving plumbing fixtures together with a rainwater system. (Photo by SERA) At the Edith Green Wendell Wyatt Federal Building, greater than 60% water savings will be achieved through a dual strategy of incorporating water conserving plumbing fixtures together with a rainwater system. (Photo by SERA)