Operation and maintenance of the water supply system for the village of Hasle in communal self-help and for the benefit of its members and water consumers; supply of connected properties with drinking and utility water within the available quantity; ensuring a constant quality compliant with food legislation; operation of the hydrant fire protection system for its supply area in accordance with the cantonal law on fire protection and the guidelines of the cantonal building insurance; construction and maintenance of pipes and hydrants with the associated facilities for water procurement, possible treatment, pumping and storage.