It depends on how many days you will be traveling without hook-ups. If you stay at a developed campground with a dump station or full hookups every 3rd or 4th night, you should be able to keep up with water replenishment and waste disposal.
The longer you go between developed stops, the more water you'll need to carry and the more waste you'll accumulate. That can end up becoming a problem in terms of the excess weight
. Water is heavy.
There are apps to locate dump stations. Most charge a fee if you are not a paid overnight guest.