65120000 - Operation of a water-purification plant

CPV code 65120000 in the EU Common Procurement Vocabulary refers to Operation of a water-purification plant. It sits at level 3 of the CPV hierarchy as a class within the 65 division. This code is nested directly under 65100000, narrowing the broader category into the specific area of operation of a water-purification plant. It is further divided into 3 direct sub-codes, each refining the scope of operation of a water-purification plant into more specific goods, services or works. Contracting authorities across the EU use 65120000 in TED notices and national procurement portals to signal that a tender relates to operation of a water-purification plant.