Tag Archives: rain water harvesting

Will a DIY slow sand filter produce potable water?

We continue to get questions about the filters we describe producing “potable” water. Again, I’ll try to address this issue. These filters are not 100 percent foolproof and they are not magical. They require maintenance and specific actions to keep them … Continue reading

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Can I save money on my water bill by using a rain barrel?

If the cost of the water; and the cost of the infrastructure that brings the water to “you” and takes it away when you’re done with it are considered; then, on paper, a rain barrel will pay for itself in several … Continue reading

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Slow sand filter operation during dry spells

Filter 4 and 5 now have re-circulation systems installed. Both of these filters had failed miserably in April/May of this year due to lack of water throughtput, and excessive organic debris present in the input water. Since the re-circulation systems have been … Continue reading

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Biological water filtration with sand (why does it work?)

Biological sand water filtration (slow sand water filtration) works mainly because of living things we can’t see with our eyes. If water flows slowly enough through sand, it can be cleansed by these living microscopic organisms with help from gravity … Continue reading

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Roofing material and rain water harvesting

We have had water collected from a composition roof at this location tested by an EPA certified laboratory. The water passed (actually far surpassed) all epa, and local requirements for potable water purity after being run through a small slow … Continue reading

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DIY 5 gallon slow sand filter (experiment)

(This post is an archive from the old blog see the link “about this blog”) Posted on September 16, 2013 by filter_guy A new filter has been started here. This is an experiment. I do not expect this filter to work however; there are those … Continue reading

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Rainwater harvesting regulations state by state

(This is an archived post from the old blog. See the link above “about this blog”)   As of March 22, 2014; after hours of ongoing research for the past year,  I have checked all 50 state government websites and … Continue reading

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Rain water harvesting with slow sand filters

This is an update. The old blog, that had been up since 2007, is being upgraded. We will have all the old info up as time permits. There are several thousand hours of work recorded in the pages of the … Continue reading

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