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Question DetailsAsked on 4/12/2012

sump pump installed with drain ready to do the floor above. didn't. now wondering if that floors shower,sink might be diverted via sump

pump drain to the great outdoors. Can't divert rain gutters on this hillside but I had the sump channel/drain run way out to a sensible place. Just hoping to save some $ewer dollars. Am I crazy??

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3 Answers


Codes vary by locality; but most do not allow waste water to be pumped to open air or via a sump pump. There are sewage pumps that are often used to move waste and waste water when natural slope isn't viable, but a sump pump is not intended to move waste water.

Sewer and Storm Sewer are two different types of management. The grey water from your sinks and showers, though not as "gross" as from a toilet are still considered sewage. With the exception of a few "Green" systems that convert this grey water into "cleaner" non-pottable water for use in sprinklers, flushing toilets, etc. the water from sinks and showers is still treated as sewer water.

Rain water and ground run-off that come from your gutters, high water table, leakage, etc. that your sump pump is used to remove is not the same type of waste, and can be drained to open air or a holding tank for evaporation.

Do not run your shower & sinks to your sump pump.

Good luck!



Answered 8 years ago by Kenny Johnson


I agree with previous answer but think your question is"can I save on my sewer bill by draining wastewater from inside the home onto the lawn?"

No. Your sewer bill is predicated on the volume of water you purchased not the volume you send back to the system by sewer. Example is sprinkling your yard, raises water bill & sewer even tho very little of the water ends up going down the street drains.


Answered 8 years ago by jccasper


thanks for your help. I wasn't thinking "waste water"

Answered 8 years ago by fuzzy

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