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Old 07-06-2013, 03:01 PM   #1
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Septic Field Vent

My septic system is not gravity fed, but uses a pump to move the liquid up into my drain field. There is a J-Pipe vent at the pump end of the field, but there is also a 4" diameter pipe sticking out of the ground at the other end of the field.
This 4" diameter pipe is cracked and I need to replace it. If I dig it up, will I find that it's connected to piping underground or is it just inserted into the ground? It's only sticks up about 6" above grade....should the one I replace it with be higher?
Thanks very much for your help.


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Old 07-06-2013, 04:21 PM   #2
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Septic Field Vent

If the pipe is simply stuck in the ground, it won't be doing much for your septic system. Most probably it is connected using a Tee to the 4 inch piping in your field. Simply replace it with a similar sized plastic pipe. My pipe sticks up about 3 feet above grade, local practice varies.


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Old 07-06-2013, 05:53 PM   #3
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Septic Field Vent

I had the same thing. We have four laterals that originally had such a pipe at the end of each one. I asked the installer what they were for, and he said they were inspection points. He also said, off the record, that once my system was approved, I could get rid of them. I did.
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