DETAIL OF CLASSIFICATION ITEM

Classification: Classification of Economic Activities rev. 2 (CZ-NACE)

Abbreviation: CZ-NACE_KL Version: 1 Validity: 01.01.2008 - 09.09.9999 Family: Activities

Language version: EN

Classification level: 4

Item: 3700 - Sewerage

Item's explanatory note:

This class includes:
- operation of sewer systems or sewer treatment facilities
- collecting and transporting of human or industrial wastewater from one or several users, as well as rain water by means of sewerage networks, collectors, tanks and other means of transport (sewage vehicles etc.)
- emptying and cleaning of cesspools and septic tanks, sinks and pits from sewage; servicing of chemical toilets
- treatment of wastewater (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 of sewers and drains, including sewer rodding

This class excludes:
- decontamination of surface water and groundwater at the place of pollution, see 39.00
- cleaning and deblocking of drainpipes in buildings, see 43.22

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Correspondences:
Classification of Economic Activities rev. 2 (CZ-NACE) - level 3 - Group	370	Sewerage
Classification of Economic Activities rev. 2 (CZ-NACE) - level 5 - Sub-class	37000	Sewerage