Tokyo Metropolitan Government Bureau of Waterworks (東京都水道局, Tōkyōto Suidōkyoku) is the city-owned public corporation that handles Tokyo's water supply.

• Tap water supply: Production of drinking water with advanced water purification
• Tap water supply for industrial use (water purification without disinfection)

• Tokyo Waterworks Historical Museum

• Tokyo Metropolitan Government Bureau of Waterworks
• Tokyo Sui
• Advanced Information

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