How To Build a Rainwater Harvester Using a Slow Sand Filter


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Categories: Rainwater Harvesting

Capture the rain! (Now legal in Washington state). A quick look at roof water harvesting using a slow sand filter combined with a diverter. This is an overview of the procedure and a demonstration of a working system.

These videos shows the setup of a roof water harvesting using a slow sand filter combined with a diverter. The first part shows an overview of the procedure and a demonstration of a working system.The second video shows how to build a slow sand water filter using a 55 gallon barrel.This filter has been running for 7 months filtering roof water and has been successfully tested for removal of coliform bacteria.


How to build a slow sand water filter using a 55 gallon barrel. CORRECTION: Where I say "pipe clamp", I mean hose clamp. What was I thinking? I don't know. Senior moment, I guess. This video shows the actual assembly of a slow sand filter very similar to the one shown in the first video posted 2 and a half years ago here:
http://www.youtube.com/watch?v=BaCOlR...

A parts list is here:
http://www.enlight-inc.com/blog/?p=696

This filter has been running for 7 months filtering roof water and has been successfully tested for removal of coliform bacteria.

for more information see:
http://www.enlight-inc.com/blog/?p=369

the link for "filter 4" at:
http://www.roofwaterharvesting.org

sifting your own sand:
http://www.enlight-inc.com/blog/?p=807

more on sifting your own sand:
http://www.enlight-inc.com/blog/?p=745

more on filters in sub-freezing temps:
http://www.enlight-inc.com/blog/?p=949

via PracticalSurvivalist

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