I had to look to see where you lived. Thought perhaps you had the same guy, I use. I have gone over and over with him about this. With mine it's not so much from mowing, it's because one of his helpers uses one of those gosh darn blowers and blows the dust, clippings and leaves all over the place. I'm about ready to fire them and look for another crew. Until then, I make sure my pool pump is running on the day I know they are coming so most of it get's to the skimmer sock before sinking.