Does anyone use just a plain garden hose for their fresh water hook-up? I've been back and forth depending on how far the spigot was. For example, if we're at a site that doesn't have water, I alway...
I use a regular garden hose to fill the tank at home. I let a few gallons run through the hose and in the street before I start to fill the tank. Our city water will kill about anything. You can let the water sit out for a week and it will still kill a goldfish in a few hours.
For hookups I use an RV fresh water hose made for potable water.
For long distance I have 300' of that flat collapsible hose on a reel. Has worked very well in Yosemite and Death Valley. Stays home unless needed.