Posted 10/31/2006 08:16 (#56683 - in reply to #56517) Subject: RE: Drain tile backed up because of creek water level?
Sac & Story county IA
You can do the check valve thing but the water coming down the tile will come out of the surface inlet. Unless the ground is pretty level. Every situation is different as far as elevation. Gravity wins every time. The highest drains first.