Why is my water heater leaking from the pressure release valve

What to do if pressure relief valve is leaking?

Leaking Relief Valve.
Turn off the water heater breaker..
Shut off your water..
Empty the water heater by draining the bottom and water inside your home..
Remove the TPR valve and discharge tube by unscrewing with a wrench..
Replace with a new TPR valve and discharge tube..

Is it normal for water to come out of pressure relief valve?

While it's normal for some water to leak from the pressure relief valve, the unit itself should never leak water. This can happen when the valve doesn't properly relieve pressure from the unit and, in response, the tank ruptures.

Is it normal for water heater to leaking from release valve?

If your water heater pressure release valve only leaks every once in a while, this is normal. It's doing its job, and there's nothing to worry about. Just keep an eye on it to make sure it's not draining constantly.