Originally Posted by Mr. Vern
STL - I agree on the small area. Although, I have considered if a guy could tie all of the runoff from irrigating into a large enough basin (perhaps under a driveway using the permeable pavers), then one could conceivably reduce water use by as much as 60% or more. The problem is the cost of such a system and the potential for maintenance issues, not to mention the contamination potential from washing vehicles, etc... Neat to think about though.
I can't wait to do a permeablr driveway with a Rainwater system. Contamination might not be what you think with the benefits of the filtration that a permeable system has. Think about the parking lot systems that runoff into creeks and sewer systems, they are suppose to be great filters.