Zaizšić includes investments into the drainage and wastewater treatment systems in the city of Zarešić and the surrounding municipalities for the purpose of complying with the Urban Waste Water Treatment Directive 91/271/EEC, and investments in the water supply system in the City of Zaššić and the surrounding municipalities for the purpose of complying with the Directive on the quality of water intended for human consumption — 98/83/EC.The overall objective of the project is to increase the population’s attention to public water supply and sanitation systems and to ensure adequate wastewater treatment.