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Old 04-18-2013, 08:48 PM   #1
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septic tank settled


Just bought the house and had the system updated in Oct. Spring has sprung and one lid is 7" lower than the other now. Seemed to happen a couple days time. Both lids seem to be flat across the top but the furthest lid from the house is much lower. Should I be worried? I have pics only phone but idk how to upload

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Old 04-18-2013, 08:52 PM   #2
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I'd like to see how you would knew this. The tank should have been completly under ground.
Pretty important that tank sits level for it to work right and to keep the lines connected.

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Old 04-18-2013, 09:30 PM   #3
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septic tank settled


I can see the lids that are above ground. I managed to upload them to my albums on my profile but can't transfer over to here because my phone is smarter than me. Feel free to take a look at them and transfer to this post. Thanks for your help!
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Old 04-19-2013, 07:59 AM   #4
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I'd like to see how you would knew this. The tank should have been completly under ground.
Not here. New septic systems are required to use a plastic tank, and the access cover must remain visible. Being in the Chesapeake Bay watershed means we have a number of requirements nobody elsewhere has ever heard of. Gotta love the EPA.
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Old 04-19-2013, 08:30 AM   #5
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So is this normal or should I request the re-do it?
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Old 04-19-2013, 08:57 AM   #6
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Does not look good to me. I would call the installer back.
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Old 04-19-2013, 09:16 AM   #7
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Will do. I'd rather do it now and out of there pocket rather than mine. Thanks for your help
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Old 04-19-2013, 10:36 AM   #8
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septic tank settled


Best to check the lids with a level. You indicate the lids are "flat" but one is 7 inches lower than the other. By flat, do you mean level? I presume the lids are steel, so they will always be flat, but it is hard to understand how they could both be level yet one is 7 inches lower than the other, unless they were built that way. A careful explanation of exactly what you mean, and how you determined the 7 inch differential, would help to understand your issues.
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Old 04-19-2013, 10:45 AM   #9
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The only way that I know of for this scenario to happen is if the top of the tank would have collapsed. Not totally unheard of, but it is rare. Not sure what the tanks are made of, but the most common set-up "HERE" is pre-cast concrete tanks with concrete risers to get the lid to grade. The risers generally come in 6" increments in height, so a 6-7" difference in height could have been there the whole time............
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Old 04-19-2013, 10:50 AM   #10
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Ill put a level on them when I get home but yes, by flat I meant level. That's what I don't understand. My basic understanding of the system it should be one tank so I don't understand how one lid has settled. Is there a system that uses 2 tanks?
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Old 04-19-2013, 10:56 AM   #11
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Every system "HERE" uses at least two separate tanks, and some use three.......
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Old 04-19-2013, 12:55 PM   #12
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Not here. New septic systems are required to use a plastic tank, and the access cover must remain visible. Being in the Chesapeake Bay watershed means we have a number of requirements nobody elsewhere has ever heard of. Gotta love the EPA.
Not as many MD. At least in WV you can direct discharge. I was talking to some installers from WV last yr. at a certification class they said they only put plastic tanks in where they can't get a concrete tank in.

MD had some new regs. go into effect 1-1-13 & I had to have (6) new certifications to keep working on the new required BAT systems.
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Old 04-19-2013, 01:32 PM   #13
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There is obviously a lot settling by looking at those pictures. If those lids were level when installed then something has shifted. If it is two separate tanks then I would expect the pipe connecting them has been pulled apart.
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Old 04-19-2013, 01:35 PM   #14
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Thanks everybody for your feedback! Waiting for a call back from the septic guy

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