90733100 - Surface water pollution monitoring or control services

CPV code 90733100 in the EU Common Procurement Vocabulary refers to Surface water pollution monitoring or control services. It sits at level 5 of the CPV hierarchy as a subcategory within the 90 division. This code is nested directly under 90733000, narrowing the broader category into the specific area of surface water pollution monitoring or control services. As a leaf code, 90733100 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 surface water pollution monitoring or control services. Contracting authorities across the EU use 90733100 in TED notices and national procurement portals to signal that a tender relates to surface water pollution monitoring or control services.