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Deep Well Dewatering

Ensure Stability in Deep Excavations with Advanced Deep Well Dewatering Solutions

Deep well dewatering is used for ground preparation where deep excavations, beyond the maximum limits for wellpoint systems, are necessary like tunnels, dams, powerhouse shafts and locks. This method manages groundwater by drilling deep wells equipped with high-capacity submersible pumps to lower the water table and create a dry, stable work environment. It is particularly useful in space-constrained sites, as these wells can be positioned away from the immediate construction area. Once the groundwater is pumped out, it often contains contaminants and must be treated to meet environmental regulations before it can be safely discharged or reused. 

Xylem offers a broad portfolio of submersible borehole pumps and mobile water treatment solutions for effective groundwater management at construction sites. Our pumps are engineered for durability and high performance, with robust designs that can handle large volumes of water and sand. After dewatering, our mobile treatment solutions can treat the water to remove contaminants such as sediments, hydrocarbons, and chemicals.  

 

Deep well dewatering systems can manage groundwater from depths of over 100 feet, enabling large underground projects like subways and deep tunnels without compromising stability