Resources

Downspout & Gutter Sizing

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.

Water Harvesting Calculations

Water Harvesting CalculationsWater Harvesting Calculations, Appendix 3 of Rainwater Harvesting for Drylands and Beyond, Vol. 1

Rainwater Harvesting Materials and Suppliers

The following listings are meant to inform, they are not meant as recommendations. And don’t forget to search for more local suppliers.

Rainwater Spiritual Song Now Available for Listening, Purchase, and Download

Bandsar Agriculture: Indigenous Runoff-Harvesting & Climate-Change Resilience from Iranian Drylands

Farming in the City with Runoff From a Street