What Are The Different Methods To Collect Rainwater?

The only thing that differs in the following methods is the scale of the system. They all follow the same principles but differ on aesthetics and actual water conservation effectiveness. Click the pictures for a closer look.
RAIN BARRELS This method is the most common and one that many people are familiar with. This involves installing a barrel at a gutter downspout to collect rainwater. The actual barrel may be a recycled barrel or a new commercially available rain barrel.
Pros
:
Easily implemented by anyone at any residence Barrels are readily available in your community or at various stores & websites Barrels don’t take up much space so they can fit into any situation
Cons:
Capacity is generally only 50 to 100 gallons Easily overflows and wastes collection opportunities Moving up in the world... “DRY” SYSTEM This method is a variation of a rain barrel set-up, but it involves a larger storage volume. Essentially, the collection pipe “drys” after each rain event since it empties directly into the top of the tank. Pros: Can store a large amount of rainwater Great for climates where rainfall happens with infrequent, larger storm events Can be inexpensive to implement Less complicated system so maintenance is easier Cons: The storage tank must be located next to your house
“DRY” SYSTEM
This method is a variation of a rain barrel set-up, but it involves a larger storage volume. Essentially, the collection pipe “drys” after each rain event since it empties directly into the top of the tank.
Pros:
Can store a large amount of rainwater Great for climates where rainfall happens with infrequent, larger storm events Can be inexpensive to implement Less complicated system so maintenance is easier
Cons:
The storage tank must be located next to your house

How Do I Create A Complete Rainwater Collection System?

The image below shows a complete rainwater collection system. While some of the components shown are absolutely necessary, not all of the components listed are required. Although, all of these components will help create a harvesting system that is highly functional and nearly maintenance-free.
Rainwater Harvesting Calculator

Rainwater Harvesting Calculator

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