To create a swale it is very important to rely on the permaculture principles especially observe & interact because you need to know where the water comes from, where is it going, and how is it making it's way to the final destination (river, creek, lake, pond) to put in place a swale system that will be efficient. (Hemenway, 2009)
My great grand-father always used to say that if you direct your water properly you will never have flooding problems. (Alison)
