90492000 - Sewage treatment consultancy services

CPV code 90492000 in the EU Common Procurement Vocabulary refers to Sewage treatment consultancy services. It sits at level 4 of the CPV hierarchy as a category within the 90 division. This code is nested directly under 90490000, narrowing the broader category into the specific area of sewage treatment consultancy services. As a leaf code, 90492000 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 sewage treatment consultancy services. Contracting authorities across the EU use 90492000 in TED notices and national procurement portals to signal that a tender relates to sewage treatment consultancy services.