My latest project is a porch roof that collects rainwater from one third of my house's roof - around 300 gallons of water for every inch of rain we get (and we average over fifty inches a year!). It "feeds" into a large ornamental cistern for use during dry spells to water my container plants and fill my water garden.. and maybe to occasionally squirt the neighbors' trespassing cats...

 

Here is a cardboard model put together by Jackson MS architect Jeff Seabold (AIA) - www.seabold-studio.com - who also designed my garden's "green roof" entry arbor (details via its own link on my main page). The quarter-circle porch funnels water into a 6-inch wide iron I-beam.

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Neighbor Duke Baker cut a large hole in the support beam through which the water channel passes

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While the porch was being constructed, I accidentally "built in" my extension ladder,

which I painted purple for awhile before dismantling the porch to get the ladder loose.

 

The porch is slanted to make rain water flow faster,

and has a metal band around it to keep the water focused

into the drain channel.

 

The Rain Harvester works like a charm!

 

The cistern, specially designed for rainwater storage, was bought over the Internet. It has a filter on top to screen out leaves and mosquito larvae, and outlets both at the bottom (for hooking a hose) and another near the top as an overflow or to attach to another barrel. Because it holds nearly a ton and a half of water, I set it on a concrete pad.e

I chose a teal color that closely matches the color of my decks and fence posts, and have set pots of plants on top to make it less obtrusive in the garden (it is right in front of our house) and as yet another place to plant stuff.

Pressure from the sheer weight of the water will force it through my water hose, but I am also prepared to use a hand-operated pump to fill watering cans if needed.

 

Felder's Rain Cistern

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More rain barrel images I have taken:

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