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Why is gravel impervious?

April 26, 2017gravel Impervious

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Why is gravel impervious?

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Packed gravel and earthen matter can prevent or impede the entry of water into the soil mantle as it occurrs under natural conditions. Studies show that once gravel is compacted (i.e. from cars and heavy equipment), it acts like a paved surface and surface water runs off of it.