A new stormwater recovery system provides non-potable water for select building functions, conserving potable municipal water and reducing stormwater runoff into the antiquated water collection system.
A 10,000-gallon capacity stormwater harvesting system provides non-potable water for public restrooms and the site irrigation system. The 30,000 GSF vegetative roof absorbs and utilizes rain to feed the plants. Together the two systems are capable of reducing the building's annual use of municipal water by an average of 270,000 gallons, a reduction of 70% compared to pre-renovation use of potable water for these same functions.
The water harvesting systems and vegetative roof also benefit Indianapolis by significantly decreasing stormwater runoff into the city's 19th-century combined municipal storm and sewer system .