Shooting water

I am not sure if my question is for here (or even for this forum), but anyway... So here is my question:
What is the best way to shoot liquid as far as possible? I need something small to shoot water very far. So if you suggest me what should i look for or where i'll be very thankful. :)

Are you needing a water gun or a way to put out a fire? What are your doing?

Small exit nozzle - lot's of pressure....