References

Budapest Sewage Works Ltd.

The company's key achievements:

• The amount of biologically treated wastewater increased to 51 %.

• The country's most modern biological air-filter system implemented at the North Pest Wastewater Treatment Plant.

• The North Pest and the South Pest Wastewater Treatment Plant produce electric and thermal energy from sewage sludge.

• The company applies Europe's most modern network operation technologies.

• In the last decade the number of channel renovations increased to four times larger.

• Faster, more convenient and more efficient administration, modernised customer service.

• The wastewater field's most modern laboratory operates in the North Pest Wastewater Treatment Plant.

• ISO 9001 and ISO 14001 quality assurance and management systems have been introduced and are now applied.

Szeged Waterworks

The company's key achievements:

• According to public surveys Szeged Waterworks has been one of the most recognised public utility service providers in the city for years.

• Significant reduction of specific energy consumption.

• Maintaining the condition of the water network by correcting faults revealed by leakage tests.

• Controlling drinking water pumps from the central monitoring system and modernising the wastewater-pumping station and water tower central monitoring system.

Salgótarján Sewage Works

The company's key achievements:

• 100% of the wastewater is collected and biologically treated in Salgótarján and in three neighbouring settlements, and nutrient removal is also carried out.

• Planned condition inspections and well-organised fault repair activities in the wastewater drainage and treatment system.

• Communal liquid waste service since 2004.

Érd and Environs Regional Waterworks Ltd.

The company's most important achievements:

·Setting up a new modern customer relations office that complies with the expectations and demands of today in order to increase customer satisfaction.

·Improvement of the treatment efficiency of the wastewater treatment plant and the increase of its capacity.

·Implementation of water network development in order to improve supply reliability.