Water Transmission and Wastewater Conveyance

WSP designs and manages the construction of water and wastewater tunnels, aqueducts, CSO tunnels and offshore outfalls, and deep shafts in diverse geological contexts.


Tunnels: Sustainable Solutions for Major Water and Wastewater Infrastructure

As public demands for sustainable infrastructure grows, urban leaders are taking a closer look at the economic, environmental and social benefits of underground tunnels.

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Addressing Chronic Flooding Issues Along the Texas Coastline

A confluence of environmental factors near the Gulf of Mexico contributes to persistent, severe flooding along the Texas coast. WSP is helping to reduce or eliminate the impacts.
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Protecting the Nutashkuan Innu First Nation Community Throughout Flood Events

Localized groundwater solution in Canada safeguards residents situated remotely along the St. Lawrence River
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Tunnel Protects Chicago Neighborhood from Flooding

A Chicago storm water diversion tunnel designed to correct a chronic flooding problem has been recognized for its effectiveness and ingenuity.
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First Street Tunnel Provides D.C. Neighborhoods with Flood Relief

The First Street Tunnel in Washington, D.C. is set to provide the city’s northern neighborhoods with a sewage and storm water system to handle severe flooding conditions that have plagued the area.
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