Answer: Well, I don't know for sure what those resort areas are using to keep their lawns green, but I do know of a substance you can water into your lawn to help the soil particles cling to water that happens by them. It's called Hydretain, and last I checked, Gardener's Supply Co. (http://www.gardeners.com) was selling it. It's a lot cheaper than using polymer crystals, and it doesn't get all messy like polymers, either.
As for keeping your water where you want it, it might make sense to park your car so it brakes the wind, and prevents it from blowing the precious water into the next yard. Also, if you don't have a sprinkler with a vairable setting for height and distance, I suggest that you get one. It'll pay for itself with all the water you'll save. If you can, choose the time of day when the wind is weakest to water. I hope this helps!
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