Monthly Archives: February 2013

Rainwater harvesting regulations state by state

Posted on February 26, 2013 by Orpheus

Update; January 17, 2022: As of 2017, rainwater harvesting is legal in Nevada. There are regulations, however. And the use is limited, but it is no longer illegal to harvest rainwater in Nevada. https://water-law.com/can-nevada-gardeners-collect-rainwater/ Update; September 16, 2016:   We have … Continue reading →

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Water quality tests on filter 4

Posted on February 22, 2013 by Orpheus

Above are the tests on filter 4 after 3 weeks of running, following being frozen solid for the month of January, 2013. The filter has not had enough water running through it to completely restore the active bio-layer. The roof … Continue reading →

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Backwashing a slow sand filter

Posted on February 13, 2013 by Orpheus

A few notes here about backwashing  a small slow sand filter. This mainly applies to DIY (Do It Yourself) filters, with one exception noted below in the next paragraph.  Do not forcefully backwash your DIY slow sand filter. You may very well … Continue reading →

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Water quality tests on a DIY slow sand filter

Posted on February 8, 2013 by Orpheus

The filters described on this blog and the associated websites have been tested by 2 different EPA certified laboratories: AmTest in Kirkland Washington, and The city of Everett, Washington environmental lab The test results can be found here and here. … Continue reading →

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