If I put gravel in a grass-covered drainage ditch, will the surface water going through it speed up or slow down?



  1. 0 Votes

    The water will slow down if it is forced to flow through the gravel and sand rather than free flowing. However, vegetation also slows down the flow of water. The best solution is to install a french drainage system that combines the two. See the resources below for drainage and water storage solutions.

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