Rainwater Harvesting Information

Rainwater Frequently Asked Questions (San Francisco Public Utilities Commission)

Rainwater Harvesting (East Bay Municipal Utilities District)

San Francisco Rainwater Harvesting Manual (SFPUC)

Are You Allowed to Collect Rainwater in California?

Rain Barrel Info

The Best 50-gallon Rain Barrels of 2026, Tested and Reviewed (Recommended)

Authentic Wood (White Oak) 50 Gallon Barrel

Used Wooden Wine Barrels - only $50 each

Other 50-Gallon Options : HERE HERE HERE HER

100 Gallons - Very Affordable and Portable

Best 100 Gallon Options

160 Gallons

200 Gallons - Cheap and Collapsable

500 Gallons HERE HERE

Spigots HERE

Questions to Consider

  • Where is your Downspout(s)? Look on the corner(s) of your house

  • What your roof catchment area in square footage?

  • What is your roofing material?

  • Are your rain gutters clean?

  • Where is the area’s drainage to the sewer system?

  • Where do you want to place the water containers?

  • How big do you want your water container? 50 or 100 or 500 gallons?

  • What is the slope to the garden you want irrigated?

  • Is there an area where you want overflow directed?

  • What are the local regulations?