-
Archives
- June 2024
- January 2024
- June 2023
- January 2023
- December 2022
- November 2022
- June 2022
- May 2022
- April 2022
- January 2022
- December 2021
- November 2021
- October 2021
- August 2021
- July 2021
- June 2021
- May 2021
- December 2020
- August 2020
- May 2020
- August 2019
- June 2019
- April 2019
- March 2019
- January 2019
- November 2018
- March 2018
- January 2018
- November 2017
- April 2017
- February 2017
- January 2017
- August 2016
- June 2016
- May 2016
- April 2016
- October 2015
- June 2015
- May 2015
- April 2015
- March 2015
- February 2015
- January 2015
- December 2014
- November 2014
- October 2014
- September 2014
- August 2014
- June 2014
- May 2014
- April 2014
- March 2014
- February 2014
- January 2014
- December 2013
- November 2013
- October 2013
- September 2013
- August 2013
- July 2013
- June 2013
- May 2013
- April 2013
- February 2013
- January 2013
- December 2012
- November 2012
- October 2012
- September 2012
- August 2012
- July 2012
- June 2012
- May 2012
- April 2012
- March 2012
- February 2012
- January 2012
- December 2011
- November 2011
- October 2011
- June 2011
- May 2011
- April 2011
- March 2011
- January 2011
- November 2010
- October 2010
- September 2010
- March 2010
- January 2010
- August 2009
- July 2008
-
Meta
Author Archives: Orpheus
Slow sand filter flow rate
It is now March 8 and the flow rate test has been done. I am feeling much better, and physical work is getting easier. The 4 litre container is used now instead of the 12 litre. It is a “gallon” … Continue reading
Slow sand filter update
It is now March 1 2011, and we are nearing the end of the 4th winter for filter 1, the third winter for filters 2, and 3 and the first winter for the pond filter experiment. February, here was one … Continue reading
The pond filter experiment
The pond filter has been running for about 7 months now. It has frozen solid twice, however it did thaw out both times and it is still working. The most recent test showed less than 2 coliform bacteria per 100 … Continue reading
State policy on rain barrels and roof water harvesting in Washington state
To clear up misconceptions about the legality of rain barrels, rain water collection and harvesting rainwater in Washington state check these links to the Washington state department of ecology: http://www.ecy.wa.gov/news/2011/016.html http://www.ecy.wa.gov/programs/wr/hq/rwh.html Please, PLEASE check the Wa. state D.O.E. website links … Continue reading
Just a reminder. . . .
On this blog, questions and comments relevant to roofwater harvesting / rainwater harvesting, biological sand water filters, and sustainable water filtration practices are encouraged. Also questions regarding the content of slowsandfilter.org, roofwaterharvesting.org, and shared-source-initiative.com/biosand_filter/biosand.html will be answered here. Comments are … Continue reading
Science, technology, safe water, biological water filters, and “beliefs”
Thirty eight years ago we had a narrow deep hole dug in the ground to get at the water down there. When we hooked up the pump, and the water ran clear we drank from the well – we trusted … Continue reading
A slight diversion . . . .
This blog is associated with three other websites listed below. The focus of each site is different. Those websites and portions of this blog are all authored by the same person. The three websites/pages are: http://www.roofwaterharvesting.org http://www,slowsandfilter.org http://www.shared-source-initiative.com/biosand_filter/biosand.html These websites … Continue reading
Posted in slow sand water filter study and construction
Comments Off on A slight diversion . . . .
Poisons from PVC pipe may be the least of our worries . . .
One of the recent comments on the last post, got me thinking: After reading this article: en.wikipedia.org/wiki/Polyvinyl_chloride and this article: www.truthorfiction.com/rumors/d/dioxins.htm and this article: www.pvc.org/FAQ/Do-products-made-of-PVC-contain-dioxins And this article about water (water dissolves more substances than any other liquid) ga.water.usgs.gov/edu/waterproperties.html and … Continue reading
Posted in slow sand water filter study and construction
Comments Off on Poisons from PVC pipe may be the least of our worries . . .
PVC pipe: does it poison water?
There have been some questions regarding toxins leaching from the pvc piping used in the filters described on the website referred to in this blog. Because of construction requirements we are limited as to our choices. Copper pipe has adverse … Continue reading
Biomatic pond filter: The pond filter experiment
Just a short note here. The “pond filter” mentioned on the slow sand filter site slowsandfilter.org has been working for 15 weeks. The thing is put together without the elaborate “baffle” pipe assembly and using .35 mm effective size sand. … Continue reading