We often get asked “What are grassy swale drainage systems?” A swale is an area of your lawn which is carefully graded to direct water. A swale may not be visibly noticeable. This is because it can be as little as a 1 inch drop of every ten feet to provide enough flow for it to be effective. It helps dissipate water over a larger area, or directs the water to a bog planting or a drain.
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