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NACE 42.91: Construction of water projects

NACE Rev. 2.1 class. Replaces NACE Rev. 2 42.91. Closest ISIC Rev. 4: 4290.

NACE Rev. 2.1 class 42.91 is "Construction of water projects". It sits in section F (CONSTRUCTION), then division 42 (Civil engineering), then group 42.9 (Construction of other civil engineering projects). In the previous classification, NACE Rev. 2, the activity was covered by 42.91 (Construction of water projects).

What the class includes

This class includes: - construction and reconstruction of, e.g.: • waterways, harbour basins, rivers, marinas • hydromechanical structures (e.g. locks, lifts, sluices, slipways) • dams and dykes - dredging of waterways (e.g. harbour basins, rivers)

What it excludes

This class excludes: - construction of underwater pipelines, see 42.21 - laying of underwater cables, see 42.22 - project management activities related to civil engineering works, see 71.12

Correspondence with NACE Rev. 2

NACE Rev. 2Label (Rev. 2)Also maps to
42.91Construction of water projects-

The label in 24 languages

Neighbouring classes

42.99 Construction of other civil engineering projects…

Use it

Convert a list of NACE Rev. 2 codes to Rev. 2.1 in your browser, or search all codes. The same data is available from the API and the MCP server.

Official classification texts from EU Vocabularies (Publications Office of the European Union, CC BY 4.0), read on 2026-10-05. Correspondence tables link classes that cover the same activities; one old class can be split across several new ones, so check the notes before you convert a dataset. Information only.