Yeah the tree is 8 feet above the waterline. I doubt the roots would go down that far. But I could be wrong. Somone told me once that the root system of a dougless fir is only 3 or 4 feet deep. Also.....I never hit at roots when I was digging....so most of the root ball could be way back in the hillside. I was thinking about hooking a chain with a come-along (sp?) to it. Just for insurace. But Ill probebly just end up cutting it out of there. I dont want anymore dirt filling in the pond.