With locations in Fremont and Milpitas, Water Emporium allows you buy your own quantity of filtered water. You bring your own large bottles. The store is account based, but you may also purchase filtered water without an account. Prices start at $2 for 5 gallons or 40 cents a gallon. The store is family owned and located conveniently in the Victoria Square shopping center. The store also sells home water filtration systems starting at $600.