Eh, I suspect this varies by region. I've had my tap water tested and it's fine, obviously if you live somewhere with unsafe water you shouldn't use it for cooking. The main thing is just not to boil water then add it while it is so hot it will kill the yeast.
Great recipes, just one comment. You should not be consuming hot water from the tap because of contaminants picked up from the water heater and pipes.
Eh, I suspect this varies by region. I've had my tap water tested and it's fine, obviously if you live somewhere with unsafe water you shouldn't use it for cooking. The main thing is just not to boil water then add it while it is so hot it will kill the yeast.