I put regulators at each drop and they come with water seperators. Also my blocks at the drop have drip legs ball valves.
If I use pneumatic tools or the mill or the plasma I can choose to run the powered refrigerated dryer. I have bypass valves around it too. Even if i just use blow guns to clean up stuff, and I am not running the dryer, I know the air has at least went though the after cooler 50' of copper before entering the maxline supply line.
Glad its my shop I am responsible for - I only have to make me happy.