What I don’t normally see in these threads is this -
Even if you have prepped, have enough supplies for over a year (more than a year), if somebody(or plural) else control your source of water, you pretty much have to include them in your group.
Not very many people have their own well(s).
Even if you have a stream/creek near or on your property, someone else upstream could have done something.
/ok, fire away, where do I get it wrong
You must have miss a thread of two on water where to get it and how to treat it. I will make a special effort to alert you to such threads if you wish.