90481000 - Operation of a sewage plant

CPV code 90481000 in the EU Common Procurement Vocabulary refers to Operation of a sewage plant. It sits at level 4 of the CPV hierarchy as a category within the 90 division. This code is nested directly under 90480000, narrowing the broader category into the specific area of operation of a sewage plant. As a leaf code, 90481000 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 a sewage plant. Contracting authorities across the EU use 90481000 in TED notices and national procurement portals to signal that a tender relates to operation of a sewage plant.