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| Presby Enviro-Septic system | |
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| Topic Started: Nov 21 2009, 10:38 PM (1,057 Views) | |
| jmenchhofer | Nov 21 2009, 10:38 PM Post #1 |
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The Van Wert County Health Department obtained experimental concurrence from the Ohio Department of Health in January of 2008 to permit and install 25 alternative absorption systems using Enviro-Septic pipe. System design and installation is done mostly according to the previously established Indiana design manual, with a few minor modifications. So far, our department has permitted 14 of these systems, and 13 are in operation. One year ago, there were 4 systems in operation in Van Wert County, and by spring time there were 6 or 7 in use. Systems that were in use were monitored closely during last winter and spring, with no significant hydraulic loading problems. I am really looking forward to watching a larger number of these systems perform over the next 6 months or so. I will provide additional information on my experiences with this system as time permits. There are a few other counties in Ohio where this system is used under experimental concurrence approval. If anyone from those counties is on here, please share how many systems you have in operation, and how they are working. For some basic information on this system, visit the following website: Presby Environmental Edited by jmenchhofer, Nov 21 2009, 10:41 PM.
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| jmenchhofer | Mar 10 2010, 10:18 AM Post #2 |
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Here is a slide from my recent sewage system installer meeting that contains the curtain drain testing results from the 2008-2009 round of testing. As a point of reference, the discharge standards for NPDES compliant off-lot systems are included in red at the bottom of the table. Any results in violation of those standards are also printed in red. My theory on the high TSS numbers is that silt was being washed into the drains by water moving through unsettled fill material above the recently-installed drains. I'm having some doubts as to the validity of the bacteria results, since some of the samples collected from inside the Amstutz system actually came back with lower counts than the samples collected from the curtain drain sampling port.
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| jmenchhofer | Mar 10 2010, 10:19 AM Post #3 |
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I hope to get a few more rounds of samples between now and summer time. Hopefully more information will help make the picture clearer. Here are the results from what I've done so far this winter.
Edited by jmenchhofer, Mar 10 2010, 10:23 AM.
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| jmenchhofer | Apr 2 2010, 08:19 AM Post #4 |
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Presby is going before the Technical Advisory Committee on April 13 to apply for special device approval. I was asked to attend the TAC meeting to share my experiences with the system, but I can't. Instead, I have prepared a report on my experience with the systems during the first two years of our program. Here it is:
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| jmenchhofer | Apr 2 2010, 08:21 AM Post #5 |
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Here is the Indiana Manual referenced in the document attached to the previous post. Enviro-Septic Indiana Design and Installation Manual |
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| jmenchhofer | Sep 7 2010, 04:18 PM Post #6 |
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The recently approved Ohio design manual is here: Advanced Enviro-Septic Ohio Manual This manual allows the use of this system statewide, although it is sized according to the Tyler Table (rather than the Indiana Manual sizing used in our experimental concurrence program here in Van Wert County). This can stretch a 92' long system to 144' or longer. At that rate, there may be little advantage to using the system versus a mound, unless you have the necessary topography to permit gravity flow. |
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| jmenchhofer | Dec 13 2010, 10:36 AM Post #7 |
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I gave this presentation last Friday on my county's experience with the Enviro-Septic system so far. Van Wert County's Alternative Sewage Treatment System Experience |
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E_S_Testing_2008_2009.pdf (72.37 KB)| « Previous Topic · Alternative or Experimental Systems · Next Topic » |
2:15 PM May 22