Here's a link about water safety for your fresh water tank.
Ever since I can remember, even with our previous trailer, we have always had a policy of never, ever drink the water from an RV tank of any sort. After certain treatments and as safe as it can be at times, we just never did.
However, by reading through this link I can see some do's and don'ts.
The RV Dilemma -Drinking Water on the Road
I saw items that most of us know as common sense but I also saw items that I never knew or realized. One would assume that this article is accurate. You know the old adage "if in doubt...don't"
After reading this can you imagine what might have been harboring inside OUR tank? The stink was from all kinds of bacteria and growth. Maybe even a new species for the Discovery Channel
Jerry & Debbie
Ford Explorer 4.6 Triton V8, AWD, 4x4
1985 Sunline Saturn T-1350
Ham radio VE3JCJ, VHF, UHF and HF