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Wastewater Upgrades for Warsaw

Improving Water Systems Leads to Environmental Protection

Warsaw, the capital city of Poland, is home to nearly 1.8 million people and divided by the Vistula River. The western “left bank” (Południe) is more populous and includes the historic town center, served by the 112,000-cubic-meter-per-day (m3/d)Południe wastewater treatment plant. The eastern “right bank” (Praga) has more industry, and municipal wastewater is treated by the 200,000-m3/d Czajka wastewater treatment plant. The sewer system dates back to 1881, and 750,000 m3/d of sewage still flows into the Vistula River from the left bank without adequate treatment.

 
The Czajka wastewater treatment plant expansion will improve treatment efficiency, reduce biosolids, and protect water quality in the Baltic Sea. 

To ensure all wastewater will be treated in accordance with the current requirements of Polish law and European Union directives, the Czajka wastewater treatment plant is being expanded to a treatment capacity of 435,300 m3/d, with improved treatment efficiency, especially in the reduction of biosolids. CDM Smith has been supporting this project throughout its development, starting with the master plan for the improvement of water supply and sewage disposal systems of the city of Warsaw, through the preparation of an environmental impact assessment necessary to obtain the construction permit under Polish law. We have also successfully prepared a full set of application documents for co-financing of this project by the European Union.

The upgraded Czajka wastewater treatment plant will take significant untreated wastewater from the right bank of Warsaw, as well as the central and northwest part of the city. This will substantially improve the environmental status of Warsaw and Poland, and ultimately reduce the contaminant loadings entering the Baltic Sea.

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Municipal Water and Sewage Enterprise, Warsaw