3700 Sewerage


Corresponding CPA codes

  • 37.00.1 Sewerage services
  • 37.00.11 Sewage removal and treatment services

    This subcategory includes:

    • sewage removal services usually provided using equipment such as waste pipes, sewers or drains
    • sewage treatment services (including human and industrial wastewater, water from swimming pools etc.) by means of physical, chemical and biological processes like dilution, screening, filtering, sedimentation etc.
    • maintenance and cleaning services of sewers and drains, including sewer rodding

    This subcategory excludes:

    • collection or purification of water, see 36.00
    • distribution of water through mains, see 36.00.20
    • construction, repair and alteration of sewers, see 42.21.2
  • 37.00.12 Treatment services of cesspools and septic tanks

    This subcategory includes:

    • emptying and cleaning of cesspools and septic tanks
    • servicing of chemical toilets

    This subcategory excludes:

    • decontamination services of groundwater and surface water at the place of pollution, see 39.00.11 and 39.00.12 respectively
    • cleaning and deblocking of drainpipes in buildings, see 43.22.11
  • 37.00.2 Sewage sludge
  • 37.00.20 Sewage sludge