Fresh water tank - do you drink water from it?

I carry a one gallon jug of commercially purchased water for coffee.

I'm not averse to drinking from my small 24 (?) gallon FW tank but I do prefer to reserve it for dishes, washing, and flushing. I'm also not always in the mood to refill the tank after a weekend trip, so I tend to conserve in that department.

I also sanitize my FW tank in April and October. On occasion I will sanitize one more time in mid-summer just because...