0.62 gallons of water are collected per square foot of roof per inch of precipitation. I.E. A 1000 s.f. Roof will collect 620 gallons of water for every inch of rain that falls on it. Collecting rainwater is a good habit that America really needs to start getting behind. The water management strategies in this country are backwards and embarrassing...
Tripp Tibbetts
Permaculturalist with
Herban Organics
Spokane, WA
Tripp Tibbetts
Permaculturalist with
Herban Organics
Spokane, WA
