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Author:
markieW (GA)
i recently installed a french drain in front of our house to correct a drainage problem. briefly: we live in macon, ga, so the soil is pretty much all red clay. our front yard slopes steeply down from the street, levels off at a driveway that parallels the house, and then slopes gently toward the house. we had a row of hawthorne across the front right at the front of the house, and over the years we had lots of water pooing up right next to the house... so much so that last year the hawthorne basically drowned.
before putting in new plants, i dug a french drain across the front of the house, about 2-1/2 feet in front of the house, running about 50 ft to the end of the house and emptying down the side slope. i measured it as carefully as i could while digging, and ran a steady stream of water at the high end when finished to make sure it drained, and it appeared to.
i also capped the high end with a solid cap that i poked a few holes in.
covered it up, put down pine straw.
now we have had almost a week of steady and sometimes very heavy rain, and there is standing water in the yard all along the front of the drain where there was never standing water before. from the drain line back to the house is dry.
why is this? it seems to me that there ought to be NO water standing anywhere near the drain.... i'm wondering if the cap is the problem, basically inhibiting proper flow.
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Author:
m & m (MD)
What size, material, and kind of pipe did you install in the trench?
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Author:
bernabeu (SC)
remember: the water must exit at a lower elevation somewhere
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"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638
Edited 1 times.
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Author:
hj (AZ)
Did you use a pipe with holes in it, and WHY "pine straw"?
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Author:
KCRoto (MO)
If you backfilled with clay, it has a very low infiltration rate.
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Author:
hj (AZ)
I would think that "pine hay" would also compress into a solid mass.
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