Depends how much it is going and how fast it is going.
A train that runs on steam. But first you need the coal and fire and shovel.
The farther they went, the more water they needed.
Well, it needs energy from somewhere, something to turn water into steam. Can be coal, can be firewood, etc.
None if you steam them
steam is water
Coal or wood
The train may need water , coal , pick-up/drop off passengers/cargo , a track obstruction .
You need to cool it down.
You can turn steam back into water by condensing it, condensation is a process which changes a gas into water.
Water is needed for distillation to control the amount of alcohol and to produce steam. Much of the water is boiled off during the process but the remaining percentage dictates the proof.
Steam heat normal Hot water perhaps air in lines and need to be purged
Steam engines do not need to be built next to rivers or streams.