Driveway Silt Runoff


Old 09-29-13, 07:36 PM
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Driveway Silt Runoff

My property is about half-way down a hill, and my driveway drops about 10 feet. As a result, I get a bunch of silt washing down my driveway. When they put the driveway in, they put a swale at the bottom to direct the water into the yard. But all the silt is making a mess of my yard. I tried putting some stone down, but that's not stopping the silt. Is there something commercially available or DYI device I could build to trap the silt?
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Old 09-29-13, 09:22 PM
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Is your driveway "gravel" or is it concrete or asphalt?

If "gravel", I think your problem is coming from your driveway where fines in the "gravel" base are washed out due to the driveway drainage or erosion of the driveway due to the slope.

All too often, a gravel driveway on a hill is actually is a drainage path because of no shoulder.

Old 09-30-13, 04:53 AM
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Is it feasible to redirect any of the water before it gets to the driveway?
Pics might be helpful -

btw - welcome to the forums!
Old 09-30-13, 06:21 AM
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I have several gravel roads/trails through the woods. This year's unusually heavy rains have caused a lot of problems with erosion. Constructing more swales has been my best solution with the goal of getting the water off as soon as possible and before enough can accumulate to wash away stones & fines.

If your driveway is paved you can put up a simple silt fence. It's ugly but does work though it can dam up water during heavy rains. You can also create a catch basin where the silt and fines can settle out. Landscape it to look like a dry river bed and it could be sorta attractive.
Old 09-30-13, 10:31 AM
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Pic of Driveway

I only have one picture (attached). I'll get a better shot and attach it later. But as you can see, it's an asphalt driveway. Sorry I left that out. The runoff is sometimes at different spots off the right side of the drive depending on how much much rain. But right at the garage, there's a slight swale dipping from left to right. Most of the silt runs off there into the stones/grass.Name:  111026 DrivewayA.jpg
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