Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use.
Rain water falling from roof.
Just a half inch of rain falling on a 1 000 square foot roof will yield 300 gallons of water.
Rain falls upon a tin roof creating a soothing rainstorm white noise that is perfect for helping you sleep study focus or relax.
Traditionally this involves harvesting the rain from a roof.
This calculation assumes a 90 efficiency.
An average suburban roof of 200m 2 with such a rain fall can potentially harvest 100 000l of rainwater 200m 2 500mm 100 000l.
Either way you would like to know how much rain has fallen how many gallons have come down from the skies onto your roof yard block or town.
There are times when it rains especially during big storms that water cascades off of a roof like a waterfall.
Block out distractions to.
Ben erickson september 2 2009 at 8 12 am.
It isn t uncommon for an area to collect up to 350mm of rain in just one month even in rural areas.
Hi al we re in l a.
While this is a normal aspect of roofing and.
If you don t already have rain gutters on your house this one time investment is.
Lower alabama and rain diverters work great here.
Or maybe a low pressure cell has been napping overhead and your arm is hurting from holding that umbrella while you watch your basement fill up with water.
For example on a 2 000 square foot roof you can collect 2 000 x 0 56 1 120 gallons inch of rain.
Keep in mind most rain falls over 2 3 months of a year.
Rain barrel supplies list.
And even when clean a hard rain will drive the water down the roof and over the gutter.
To find how much rain you can collect in an average rain year multiply this number by the average inches of rain.
You may need to clean off any leaves and debris that build up behind it from time to time pine straw is the worst if the wind.
How to redirect rain off a roof.