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Question DetailsAsked on 8/30/2014

how do I get my window well to drain properly

after 17 years in my home, one window well is starting to fill up. I've had it dug down and it drains, but not fast enough to keep it from coming in the window.

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1 Answer


Three normal ways to solve this -

1) a drywell, typically about 3 feet deep, dug in the center with a posthole digger or larger, with a perforated pipe put in it with a top drain grating (better, as holds more water) or filled with gravel (easier, holds less water) to hold some of the water surge, and let it drain into the ground gradually. Obviously, if clayey soil does not work well, bad idea if in expansive clay country, and also bad idea if your groundwater table rises to your window well level in heavy rains

2) use a sump pump

3) best way - divert the water coming into it - gutters to catch roof runoff and divert it away from the house, slope soil around the house away from it to keep surface water away from the house, and caulk any joint or pinhole leaks in the well and caulk/seal the junction between the well and the house - best done with bitumastic caulk on the outside surface of the mating surface.

You say after 17 years - so it draqined OK before ? Maybe the digging down did not get to original soil underneath that used to drain OK, so there is still organic debris and silt in there blocking the drainage ?

Answered 6 years ago by LCD

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