4 Waters d.o.o. can provide a wide variety of  services in the following fields:

  • Drinking water treatment
  • Municipal wastewater treatment
  • Wastewater treatment from industrial processes
  • Water treatment for industrial use (boiler water, cooling water, demi water etc.)
  • Industrial piping – conveyance of technical fluids
  • Public infrastructure


Our services include:

  • Preparation of all levels of the technical documentation according to the Serbian legislation from Conceptual Design to Design for Execution of Works,
  • Consulting services in acquiring all the necessary permits and approvals according to the Serbian Law on planning and construction
  • Supervision of works
  • Providing local experts for projects funded by international financing institutions or European Union
  • Organizing regular and emergency maintenance activities for water/wastewater treatment plants