Wiener Wasser GmbH is the municipally owned water utility serving Vienna, Austria. It is responsible for the production, transport, and distribution of potable water for the city and parts of the surrounding region. The company primarily sources drinking water from protected Alpine springs and operates long-distance gravity-fed pipelines, reservoirs, pumping and pressure facilities, and an extensive urban distribution network.
Wiener Wasser manages water quality assurance and laboratory testing in line with Austrian and EU standards, handles network planning, construction, and maintenance, and provides operational services such as metering, leakage detection, and emergency supply. Its activities intersect with the chemical and materials value chain through the specification and deployment of pipe and infrastructure materials, water quality monitoring and analytics, and compliance with regulatory requirements for safe drinking water treatment and distribution.