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Old 08-03-2010, 11:11 AM   #1
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sump pump running every 5 seconds

I have a problem with water coming into my sump pit. There is a 6 or 8 inch inlet pipe in my sump pit and after the rain stops and there is no other water running in the house, water continues to pour into my sump pit. I called the city and they checked the storm drain to find it was completely backed up. Once they drained it the water inlet stopped.

My problem is where is this water coming from and why? I imagine it is from the overflow of the storm drain, but is this my problem or the city's?

The water coming in is fairly clear, but at times will smell of sewer gas.

If the power goes out I am going to be flooded in 5 minutes.

I understand that it should be working while it is raining, but days after I dont feel it should still run every 5 seconds.

Please help, thanks, Chris


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Old 08-03-2010, 11:59 AM   #2
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Originally Posted by Beard View Post
at times will smell of sewer gas.
Methane is explosive; mention safety/explosion/fire/lawsuits and you should be able to get some help from the powers that be.


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Old 08-03-2010, 03:22 PM   #3
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Something is missing in this story. Does your sump pit connect to the storm drain? And exactly how did the city drain the storm drain, was it blocked? If your sump pump is connected to the storm drain, and the water level in the drain got higher than the bottom of the sump pit, then water would drain back from the storm drain to the sump pit. In order to understand the source of water in your sump pit, we need to understand the connections between your sump pit, the storm drain, and any perimeter drain you may have around your house.
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Old 08-03-2010, 05:47 PM   #4
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Redo the storm drain outlet to have a check valve so water cannot come back into the pit.

(copied from another post) This won't be perfect; occasionally grit will hold the check valve ajar but then the sump pump will keep up with the flow.

Here the storm drain outlet must be a different pipe from any perimeter drain pipes since perimeter drain pipes must always let water into the pit.
The good conscientious technician or serviceperson will carry extra oils and lubricants in case the new pump did not come with oil or the oil was accidentally spilled, so the service call can be completed without an extra visit.
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