A system for on-demand delivery of a sterile fluid includes a housing. At least one fluid reservoir is associated with the housing and configured to hold a fluid. A sterilization and/or purification mechanism is in fluid communication with the at least one fluid reservoir. The sterilization and/or purification mechanism is configured to sterilize the fluid. A dispensing mechanism is in fluid communication with the sterilization mechanism and configured to dispense the sterile fluid. A controller is associated with one or more of the housing, the at least one fluid reservoir, the sterilization and/or purification mechanism, and the dispensing mechanism. The controller being configured to modulate at least one operating characteristic of the system. The system is configured to deliver the sterile and/or purified fluid immediately after a request is made.