https://maps.app.goo.gl/E3YHtgJe5kottk8w9
This Natural Grocers is next to planet fitness, home Depot and Barnes and Noble booksellers.
The reverse osmosis water filling station is right after you walk inside the store. The water is cheap. $1.86/ 5 gallons after tax.
Not too far from it, you can get propane filled at U-Haul. https://maps.app.goo.gl/k88T3z3q7JtQ27qD7