Water Treatment Plant Reconstruction – Improved Drinking Water Quality and Efficient Water Resource Management

Customer: Water Treatment Plant, Slovak Republic
Location: Slovak Republic
Goal: Modernization of the water treatment facility to improve drinking water quality and ensure a stable water supply for residents in the Banská Bystrica region. The goal was to meet current European water quality standards and reduce environmental impacts.


1. Initial State

The water treatment plant was built in the 1970s with a design capacity of 460 l/s. Due to outdated technology and deteriorating equipment, a comprehensive reconstruction was necessary. The aim was to improve the quality of drinking water for more than 44,000 inhabitants and ensure a reliable regional supply, addressing the growing need for modernization of water infrastructure.

2. Solution – Technologies Supplied by ENVITES

Between 2018 and 2022, the plant underwent modernization during which ENVITES delivered key technologies for water treatment and pre-treatment. The implemented solutions included:

Flocculation and Sedimentation: Equipment was installed in lamella clarifiers, ensuring high-efficiency separation of solids and effective removal of suspended matter.


Sludge Thickening: Sludge generated from clarification was pumped into two sludge thickeners to reduce volume and prepare it for dewatering.


Sludge Dewatering: The final step involved dewatering using a chamber filter press, after which the dewatered sludge was automatically conveyed via a screw conveyor to a container for ecological disposal.

The modernization, including full automation of processes, significantly enhanced treatment efficiency and reduced the environmental footprint related to sludge disposal.

3. Results After System Implementation

After the upgrades, the water treatment plant achieved the following:

Stable supply of high-quality drinking water for over 44,000 people, contributing to improved quality of life and regional sustainability.


Compliance with current EU water standards, essential for secure and safe water distribution.


Increased operational efficiency, minimized environmental impact, and optimized sludge handling processes.

4. Conclusion

The modernization of the water treatment plant with technologies delivered by ENVITES led to a substantial improvement in drinking water quality, secured long-term supply for a large area, and ensured compliance with EU standards. This project demonstrated how technological advancement can be effectively combined with sustainable water resource management, ultimately enhancing the quality of life for local communities. ENVITES reaffirmed its role as a reliable partner in water treatment and environmental solutions.

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