Veolia Water Milwaukee, LLC is contracted by the Milwaukee Metropolitan Sewerage District (MMSD) to operate and maintain its regional wastewater treatment system. The entity operates through a public-private partnership, which ensures public ownership and control while enabling private-sector best practices, technological expertise and operating know-how.
This is one of the nation's largest wastewater partnerships, serving 1.1 million people in 29 municipalities. It includes a 423-square-mile service area with a 28.5-mile-deep tunnel inline storage system of collection sewers.
Veolia Water Milwaukee, a wholly owned subsidiary of Veolia in North America, began operation on March 1, 2008, and employs more than 200 people. The company is active in the community, supporting educational and environmental causes and activities.
About Veolia in North America
In North America, Veolia is a leading environmental services provider with more than 10,000 employees working at over 350 locations. It's the largest private water operator in the U.S. and technology provider as well as hazardous waste and pollution treatment leader. It is uniquely positioned in the American market with a leadership role in improving water quality and removing pollutants offering a full spectrum of water, waste, and energy management services, including water and wastewater treatment, commercial and hazardous waste collection and disposal, energy consulting and resource recovery.
About Veolia
Veolia, a global leader in environmental services, works every day to build environmental security for the benefit of public health and the competitiveness of industries and regions. With 215,000 employees across five continents, working closely with local communities, and thanks to its cutting-edge technologies, the group cleans up pollution, reduces carbon emissions, and regenerates resources through concrete solutions that combine its expertise in water and water technologies, waste - including hazardous waste management, and local energy. In 2025, the Veolia group served 110 million people with drinking water and 97 million with sanitation, produced 45 million megawatt hours of energy, and treated 64 million tons of waste. Veolia Environnement (Paris Euronext: VIE, Fortune 500, SBF 120) generated consolidated revenue of €44.4 billion in 2025.
See how Veolia cleaned out 99% of the floatable debris from the Deep Tunnel in 10 days, keeping the infrastructure clean and efficient.
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