Water Supply

Société coopérative des eaux potables du village de Vuadens 

Vuadens · Since 1902

The core activity of the company is the management and administration of a municipality or commune, including the areas of: public services (e.g. resident control, issuance of documents, school, library), infrastructure and technology (e.g. water and wastewater supply, forestry, fire protection), finance and taxes, politics and administration (e.g. municipal council, commissions), tourism and leisure, environmental protection and waste management. It is a public administration unit responsible for the concerns of the municipality and its inhabitants.

SONATEC Gilbert Sonnay Sàrl 

Lucens · Since 2024

The company Sonatec is engaged in the development and distribution of ecological, economic and natural water treatment systems. Their products, such as Sonatec Home, Sonano and Cintropur, aim to clean and strengthen water without the use of chemical additives. The areas of application include private households, industry, agriculture and animal husbandry.

SWISS FRESH WATER SA 

Romanel-Sur-Lausanne · Since 2008

Swiss Fresh Water develops, manufactures and distributes machines for water treatment and desalination to provide drinking water in regions with limited access to clean water. The machines are robust and designed for use under extreme conditions. The company also offers services such as maintenance, testing and quality assurance to ensure that the produced water meets local health standards.

Swiss Water Power International SA 

Geneva · Since 2012

The core activity of Swiss Water Power International SA is the planning, construction and operation of facilities for the production of drinking water and solar energy worldwide. The company offers "turnkey" solutions that cover all steps from preliminary planning to operation of the facilities, including financing, detailed planning, construction and operation. This also takes into account the social and ecological impacts of the projects and promotes regional, sustainable economic development.

Terra Link GmbH 

Brüttisellen · Since 2003

The core activity of terraLink GmbH is the development and implementation of environmentally friendly solutions for the treatment and purification of wastewater, greywater and industrial water. The company offers a wide range of products and services, including small wastewater treatment plants, water treatment plants, ozonation, membrane filtration and special plant construction. The focus is on developing innovative and sustainable solutions that are beneficial for both humans and the environment.

Wassergenossenschaft Allenwinden 

Allenwinden · Since 1961

The core activity of the Wassergenossenschaft Allenwinden company is the supply of Allenwinden with drinking and utility water as well as the provision of fire extinguishing water.

Wassergenossenschaft Haldi 

Haldi B. Schattdorf · Since 1947

The company's core activity is municipal administration, including public services such as social services, taxes, transportation and mobility, water, military service, civil registry, experience, leisure and culture, as well as the administration of authorities, commissions and cantonal authorities. It is a public administrative unit responsible for the administration and organization of municipal affairs.

Wassergenossenschaft Rotkreuz und Umgebung 

Rotkreuz · Since 1912

The core activity of Wassergenossenschaft Rotkreuz and Umgebung is the planning, maintenance and management of a drinking water supply network, including water treatment, quality assurance and the provision of water connections for the municipality.

Wasserverbund Birstal 

Zwingen · Since 1997

Wasserverbund Birstal operates springs, pumping stations, reservoirs and transmission pipelines and supplies drinking water to its member municipalities. Members include Laufen, Zwingen, Blauen and Nenzlingen; primary sources cited are the Pfandel and Bernhardsmätteli springs and the Weiden pumping station, and storage reservoirs include Hard and Hägenberg.

Wasserverbund Hinteres Leimental AG 

Hofstetten So · Since 1982

Wasserverbund Hinteres Leimental AG is a water utility that supplies its member municipalities with water from the Sternenberg spring and by joint purchase from the Reinach/BL waterworks, and distributes surplus water. The company operates a filtration plant, reservoirs and pump stations and maintains hydraulic and control systems for distribution and monitoring.

Wasserverbund Region Bern AG 

Bern · Since 1974

The core activity of Wasserverbund Region Bern AG is the extraction, treatment, storage and distribution of drinking water to the population in the supply area. This includes the operation of groundwater wells, reservoirs, pumping stations and water pipes, as well as ensuring water quality and safety.

Wasserverbund Bipperamt AG 

Oberbipp · Since 1997

Wasserverbund Kiesental AG 

Konolfingen · Since 1999

Wasserverbund Kiesental AG supplies drinking, process and firefighting water to its shareholder municipalities. It operates and maintains the primary infrastructure — including reservoirs, pump stations, groundwater abstractions and spring sources — and delivers water into the municipal distribution networks under supply contracts.

Wasserversorgung Axenfels AG 

Morschach · Since 1982

The core activity of Wasserversorgung Axenfels AG is the extraction, treatment, storage, control and distribution of drinking water to the population and companies in the supply area, particularly in the village of Morschach and the Swiss Holiday Park.

Wasserversorgung AG Schüpfheim 

Schüpfheim · Since 1964

The core activity of Wasserversorgung AG Schüpfheim is the extraction, treatment and distribution of drinking water for the municipality of Schüpfheim.

Wasserversorgung Ballwil Genossenschaft 

Ballwil

The core activity of Wasserversorgung Ballwil Genossenschaft is the extraction, distribution and supply of drinking water to households, agricultural, commercial and industrial enterprises in the municipalities of Ballwil and Ottenhusen, as well as WV Fenkrieden. Additionally, the company provides a contracted amount of firefighting water for the fire department.

Wasserversorgung AG Engelberg 

Engelberg · Since 1966

The core activity of Wasserversorgung AG Engelberg is the extraction, treatment and distribution of drinking water for the population in the Engelberg valley.

Wasserverbund Region Solothurn AG 

Solothurn · Since 2021

Wasserverbund Region Solothurn AG supplies its shareholders and third parties within a defined service perimeter with drinking, utility and fire-fighting water and operates the associated infrastructure. Operational activities are carried out under management contracts with the shareholders.

Wasserversorgung Düdingen AG 

Düdingen · Since 1914

Wasserversorgung Düdingen AG is responsible for ensuring the municipality's drinking water supply under a service agreement with the local authority. It operates spring and groundwater abstractions, manages reservoirs where waters are combined, and supplies the distribution network. The organisation’s activities are governed by its statutes and the municipal drinking water regulation.

Wasserversorgung Buchrain Genossenschaft (WVBG) 

Buchrain · Since 1924

The company's core activity is the supply of drinking and utility water to the population, the construction and maintenance of the hydrant network, as well as the provision of firefighting water.