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Water Harvesting Rainhead

So, you may be wondering, what is a rainhead? Here's your answer: It's at the very top of the plumbing riser. The rainhead catches rain from the green downspout and starts it on its journey toward the cistern. My cistern has a capacity of 1,500 gallons, and it’s harvesting water from 500 square feet of roof. During a one-inch rainstorm, it will harvest 250 gallons of water. If, by chance, we get six inches of rain, my cistern will be full. That’s why there’s a 90-degree elbow that directs the overflow downward toward my trailing indigo basin.

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Copyright Martha Retallick. All rights reserved.
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Cistern Installation at My Place
So, you may be wondering, what is a rainhead? Here's your answer: It's at the very top of the plumbing riser. The rainhead catches rain from the green downspout and starts it on its journey toward the cistern. My cistern has a capacity of 1,500 gallons, and it’s harvesting water from 500 square feet of roof. During a one-inch rainstorm, it will harvest 250 gallons of water. If, by chance, we get six inches of rain, my cistern will be full. That’s why there’s a 90-degree elbow that directs the overflow downward toward my trailing indigo basin.