Use the tables below to size your gutters and downspouts according to your catchment area and potential maximum rainfall per hour. Note: I will err on the side oversizing gutters as I want all the rain I can get when it falls.
This section of the website and its content are still very rough. This is the beginning of a process to create water-harvesting curriculum, and these first exercises are just rough drafts. More are still to come.
Includes calculating rainfall and runoff volumes, sizing water tanks, how to make a water level, permaculture ethics and principles, designer’s site assessment checklist, how to create a site assessment report, and more…
City of Tucson ordinance mandating that commercial developments provide at least 50% of their irrigation needs with harvested rainwater.https://codelibrary.amlegal.com/codes/tucson/latest/tucson_az_udc/0-0-0-10610