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Is it a good or bad idea to lay or run a french drain over spectic lines. It would be appoximately 8" deep and run perpendicular to the septic lines which run 24" deep.
Or, how about just a drain line without the perferation to move a little water to a more desirable location that would run above the septic line in a similar way?
[img]/forums/images/icons/tongue.gif[/img] I suspect that if you crossed the septic leach field lines with a preforated drainage line that the drainage line would eventually drop water into the rock envelope that surrounds the leach lines and that might cause the leach field to load up. If you DO cross the leach line alignment, by all means do use just strictly "transportation" pipe and not perforated. [img]/forums/images/icons/tongue.gif[/img]