Deek, with out the dishwasher the only line left is the one to your ice maker in fridge.
When you ran the bleach through water system lines did you include the ice maker in fridge?
IRON IN WATER SYSTEM
The line water from ice maker maybe siphoning from that line when you run your main tap to faucet.
Traveling to different campgrounds you may have pick up some bad water if your whole house filter needed a different filter to combat the problem.
In the link has info on RV Water systems filtration.
Linear Mode
