The purpose of the cooperative is to supply the municipality of Steinach with drinking, utility and firefighting water. The tasks to be fulfilled are based on the current water regulations issued by the municipality. The cooperative can conclude contracts with surrounding municipalities and corporations that are covered by the purpose of the cooperative. The cooperative can acquire, hold and sell properties. The operation of the Steinach water supply is not intended for profitable use; rather, the principles of non-profitability are to be maintained in accordance with the character of the cooperative.