Vault water system

The  is an electro-mechanical system used in the Vault-Tec Vaults. This system purifies and recycles used water for residents' needs. These needs include drinking water for drinking fountains and waste water for toilets. This system is associated with the life support system and works with it to create a habitable environment for the residents. Some of the components in the water system include drinking fountains, sinks, toilets, and water purifiers. A Vault's Maintenance Department is responsible for the cleaning and maintenance of the water system. According to the radio of Vault 101, a properly maintained water system can work for 900 years without failure.

History of Vault 101's Water System
On July 12, 2268, Maintenance Technician Stanley Armstrong, with the help of his robotic companion Andy, repairs the water purifier.