Lake Water

OKay so im gunna start my grow in a week or so, my spot is near a lake, just wondering, is it okay to give the plants the water from the lake? or bring my own tap water, thanks people

it depends on what lake.....
id say ph it first

gotta be nutural right? and thanks man

I need help man I got a plant growing by a lake it is noley 2 inches tall 3 or 4 branches with 3 leaves on each soooooooooooo wheen do I need to start topping