02 — Pillar · Off-Grid
Expert guides and Q&A about rainwater collection sizing.
Q&A in this topic
5 total
Annual rainfall averages directly impact the design and sizing of water collection systems, as they determine the amount of rainfall available for collection an
For a rainwater collection tank, the best materials are food-grade polyethylene or fiberglass, which are durable, resistant to corrosion, and safe for storing p
A smaller roof area can still provide enough rainwater for a household, given the right system design, annual rainfall, and storage tank capacity.
To calculate the volume of rainwater from your roof area, multiply the roof area by the annual rainfall intensity in inches or millimeters, and then divide by 1
A general guideline for a family of four is a storage tank size of around 1,000 to 1,500 gallons, assuming a moderate roof area and average annual rainfall.