Let's imagine you're playing a hole with OB to the right and a creek running across the fairway directly in front of you.
Your tee shot lands in the water (bounce, fly, rolls, doesn't matter).
You walk up to the creek and take a quick look for your ball, finding there is a very shallow stream of water that flows from your left to your right.
You spot a fresh ball in the water off to the right and use your buddy's retriever (
because yours is being re-gripped
) to scoop it out. Checking it out, you realize that it is indeed the ball you just hit.
You prepare to take your drop where you estimate your ball entered the hazard when your opponent says, "head back to the tee box, your ball is out of bounds."
Astonished you respond, "what are you talking about? This is clearly staked as a water hazard!"
He replies, "but the ball followed the current of the stream and ended up OB", pointing out the white stakes before and after the hazard and showing that your ball ended up to the right of those stakes.
What do you do?