65130000 - Operation of water supplies

CPV code 65130000 in the EU Common Procurement Vocabulary refers to Operation of water supplies. 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 water supplies. As a leaf code, 65130000 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns operation of water supplies. Contracting authorities across the EU use 65130000 in TED notices and national procurement portals to signal that a tender relates to operation of water supplies.