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frumdogg 02-26-2012 11:01 AM

Backyard on a slope -- drainage problem
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I am having an issue with water coming down the hill into my backyard (undermining the small terrace wall) and turning the lower portion of my backyard into a pond.

Last summer I did some digging and found a 4" corrigated pipe that while full of mud, seemed to be part of the problem. I cannot determine if it is draining an adjacent property (homes on hill above my house) or even draining a spring. Since I couldn't find it's source I went ahead and capped it off (affixed cap with silicone) to see if it made a difference. It seems to be helping, but significant moisture can still be seem in the terrace directly in front of the cap. When the house was purchased this was not a problem, only has become an issue within the last year.

I have attached a picture with illustrations showing where water is coming down the hill into my backyard, and where the capped pipe is located. If anyone has any experience with this type of problem, please feel free to provide your comments. Thanks in advance.

Hardway 02-26-2012 11:09 AM

You could dig a French drain and install a sump pump and pump the water away to another area. Just a suggestion.

Writer’s information is for discussion purpose only and should be confirmed by an independent source.

frumdogg 02-26-2012 11:41 AM

I was thinking about having it all collect into a sump and then piping into the lower part of my yard then connecting it to the drain that runs to the street. Alot of digging for a weekend warrior

jomama45 02-26-2012 12:14 PM

For a sump, I would highly recommend using a concrete catch basin rather than a cheap plastic sump. It's a little more work to get it in place, but will serve it's purpose FAR longer than anything else.............

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