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Picture of Elevated Dual Barrel Rainwater Collection System
 

Step 1: Acquire the barrels

Picture of Acquire the barrels
I shopped Craigslist and got lucky - found a guy that lived close to me who liberated them from his workplace - $15 each. One had peaches the other apricots - my yard has a new aroma. 
 
ThoL1 made it!9 days ago

I live in Riverside, CA and here is my rain water collection, I just made a simple one for my wife water the flowers, the barrels bought from Kahoot pet stores, 1/2 PVC hose and fitting bought from local Home Depot, note: the valves just in case for repair leaking.

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michl3 years ago
Do you realize that when both barrels are full you have almost 1/2 ton (918.5 lbs.) of water on about 12 square feet of deck space? You might want to make sure the deck will support that much weight in such a small area. An alternative is to spread the two barrels farther apart and make sure that they are against the house wall which will support more weight. Good instructable.
J-Po (author)  michl3 years ago
Oh ya, it occurred to me all right, it is why I limited it to 2 barrels. Some months they pretty much stay full, and some dryer months, I can't get enough.
Fortunately this was a latent add on to an old house, so it is very formatible.
Thnx for the post, kind of forgot this was out there.
J-Po (author)  michl3 years ago
Oh ya, it occurred to me all right, it is why I limited it to 2 barrels. Some months they pretty much stay full, and some dryer months, I can't get enough.
Fortunately this was a latent add on to an old house, so it is very formatible.
Thnx for the post, kind of forgot this was out there.
damoelld5 years ago
I like the idea of using the height of the second deck for natural head pressure. It looks like you have a nice deck, any thought about building a 'planter style' cedar enclosure to hide the bright blue barrels?
why hide--easier to show off and BRAG about this way !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
J-Po (author)  damoelld5 years ago
Hey damoelid,
No, but I did consider a generic gas grill cover but haven't found one without the customized shape. I need a straight  24X48 which would fit perfect.  As you can see the deck has a little railing which hides most of the barrels from view from the backyard, so they are unnoticeable for the most part.
Great head though, I was even able to put on a 50' hose reel, it substantially reduces the pressure when wound, but reaches the gardens when unwound, and works fine then.

CaseyCase5 years ago
 On the porch, really? It couldn't be done at my house--the wife would kill me.
no biggie--many women are the Boss !!!
Ninzerbean5 years ago
Love this.
bertus52x115 years ago
Maybe I have missed it, but do you store it on the first floor to have some pressure?
J-Po (author)  bertus52x115 years ago
If by "first" floor you mean second floor, yes. :-)
My second floor deck is about 20' above the back yard.
Noticable difference between pressure while standing on deck verses down on the ground.
Thanks for your interest.
Eh, you're right second floor.