Don't over worry about water.
1) verify that tanks are full before you leave the dock.
2) monitor water use, party by guages if they work and also by when a tank runs out.
3) know where you can get water and don't take chances when you are on your final tank.

Keep track of


Warren S/V Scuba Doo
Lagoon 50 (winner of best crewed yacht under 55 feet at the St. Thomas crewed yacht boat show).

https://www.cyabrochure.com/ebn/2307/pdyrX/6642/4///