Water Supply Rehabilitation Balassagyarmat

Project completed

Switzerland is contributing CHF 4.12 million to a project in Balassagyarmat to reduce maintenance costs and ensure the reliability of water supply. Water mains and household connections with the largest number of pipe bursts will be replaced. The investments will also have a positive impact on water quality.


Country/region Topic Period Budget
Protecting the environment
Drinking water supply
10.11.2010 - 30.11.2016
CHF  4’119’950

Note: the texts under all the headings, with the exception of 'Results achieved', describe the situation before the start of the project.


The municipality of Balassagyarmat in partnership with Nyugat-Nógrád Vísmű Ltd., a publicly owned company that operates the drinking water supply, strives to rehabilitate the most critical elements of its water supply infrastructure. The transportation mains, city mains and household connections suffer rom early aging due to poor quality of the ipes, un-thorough xecution of the mounting works and insufficient bedding of the pipes. Furthermore the deterioration is accelerated by the aggressive geological conditions.

Hungarian registration number: SH 3/30

  • Expected results: To make the water supply more reliable and improve the water quality
  • Expected results:To reduce maintenance costs
Target groups

The municipality of Balassagyarmat, Nyugat Nógrád Vísmű Ltd., the 20'000 inhabitants as well as the 200 institutional clients (hospital, schools, businesses, etc.)


The project’s main activities are to ensure the reliability and affordability of the water supply. It plans to achieve the first objective by replacing the transportation mains and the sections of the city’s primary network with the highest breakdown frequency and the latter by reducing the number of interventions related to pipe bursts and by reducing the losses.


Achieved results:  

The project has been fully implemented. Thanks to the appreciation of the Swiss Franc more activities than originally planned could be implemented, including the rehabilitation of additional inadequate network sections. Consequenty, the expected results have been exceeded. As a result,

  • Balassagyarmat has a reliable and safe water supply system with water of good quality, far less network breakdowns, much reduced water losses and lower maintenance cost. The project also contributed to a sustainable water management in the region.
  • Thanks to the project, the most critical elements of the water supply network in the city and its surroundings serving 24'000 inhabitants have been rehabilitated, mainly through the replacement of old asbestos pipes. It includes 11 km of transportation mains in the outer city and 9 km of mains in the inner city.

Directorate/federal office responsible SECO
Credit area Swiss Contribution to the enlarged EU
Project partners Contract partner
  • Hungarian National Development Agency

Implementing partner
VÁTI Ltd, Municipality of Balassagyarmat and the Nyugat-Nógrád Vízmű Ltd.

Budget Current phase Swiss budget CHF    4’119’950 Swiss disbursement to date CHF    4’061’873
Project phases Phase 4 10.11.2010 - 31.05.2016   (Completed)

Phase 3 10.11.2010 - 30.11.2016   (Completed)

Phase 2 10.11.2010 - 31.05.2017   (Completed) Phase 1 10.11.2010 - 30.04.2017   (Completed)