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Old 10-31-2006, 08:19 PM   #1
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running the sump pump to the sewer line


My sump pump in my crawl space runs out of the house and then 50 feet slightly down hill through PVC Pipe to the back of my yard. The pipe runs under concrete decking. The pipe is broken and when the sump pump fires up I can see water comming from under the concrete.

I want to T my sump pump line into my washing machine discharge line that draines into the sewage system. I am on city sewage.

Is this ok?
Why didn't the home builder do this in the first place?

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Old 10-31-2006, 09:49 PM   #2
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running the sump pump to the sewer line


Probably against code, so I'd have to say no it is not ok.

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Old 11-01-2006, 07:17 PM   #3
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Probably against code, so I'd have to say no it is not ok.
What is the thought about that? Why would that be a problem? Why would 5 gallons of ground water a day in the sewer lines be bad?

Is it because people get charged a sewer fee based on the amount of water they use and that ground water would not be getting paid for?
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Old 11-01-2006, 07:40 PM   #4
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running the sump pump to the sewer line


If everyone had their basement pumping into the sewer then when there was a heavy rainfall it would put a high demand on the sewage treatment plant. And their may be oil or other chemicals that may get into the water system.
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Old 11-01-2006, 08:07 PM   #5
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running the sump pump to the sewer line


In the past, it was legal and common to mix sanitary and storm sewage. The sewers were called common sewers an comtained normal sewage that took treatement and storm water that usually didn't require treatment.

Then they found out it was costing a fortune to treat all the storom water AND the sewage since it could not be separated once it was in the pipe. On top of the treatment cost, there was the cost of building and maintaining twice the treatment capacity.

Now, it is illegal to make new hook-ups in most areas. Most older cities are separating the street drains from the sewer drains where possible rather than building additional treatment capacity because it is cheaper to be split in the end.

Unfortunately, there are still many roof drains going into the sewer lines at the house.

Where I lived at one time years ago, when there was a big storm, the excess sewer flow was just dumped in the river and not treated. Everyone downstream did not take kindly to it, so the systems were separated.

It does not look like much, but it certainlt counts up at the wrong time.

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Last edited by concretemasonry; 11-01-2006 at 08:09 PM. Reason: Addition
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Old 11-01-2006, 09:03 PM   #6
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running the sump pump to the sewer line


Another good reason not to dump this water down the sewer is you can't see that its actually making it there, depending on how you plumb it.

One more good reason is, if your sewer is higher than your sump, and your check valve fails, you're gonna get a basement full of icky.

I would find a new place for the discharge to run out to daylight, downhill from the house.
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Old 11-01-2006, 10:11 PM   #7
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running the sump pump to the sewer line


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Why would 5 gallons of ground water a day in the sewer lines be bad?
Maybe 5 gallons a day at your house. I've worked in many, many homes that get 5 gallons every 5 minutes when it's raining. I just depends on how you're situated.
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Old 11-01-2006, 10:19 PM   #8
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running the sump pump to the sewer line


Reasons have been stated, oils and contaminates going into the sewer system is bad, reclaimed water get returned back to the rivers and streams, it's all about the enviroment.

Think about this the next time you go fishing.
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Old 11-02-2006, 08:33 AM   #9
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running the sump pump to the sewer line


Alright on to plan B
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Old 11-02-2006, 09:36 AM   #10
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Alright on to plan B

Plan B - direct water to neighbors yard and let them get rid of it.

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