Statistical classification of economic activities NACE 2.1 version

This class includes:
- operation of wastewater treatment facilities for reuse (e.g. of agricultural, industrial and road cleaning wastewater or collected rainwater), or for artificial recharge or augmentation of groundwater bodies
- collection and transport of wastewater from users (e.g. households or industrial units)
- collection and transport of rainwater by means of sewerage networks, collectors, tanks and other means of transport (e.g. sewage vehicles, etc.)
- maintenance and cleaning of sewers and drains, including sewer rodding
This class also includes:
- freeze-drying of sewage sludge by wastewater treatment plants
- emptying and cleaning of cesspools and septic tanks, sinks and pits from sewage
- servicing of chemical toilets
This class excludes:
- further treatment of sludge extracted from wastewater, see division 38
anaerobic digestion, see 38.2
aerobic treatment, such as composting, see 38.21
incineration with energy recovery, see 38.22
incineration without energy recovery, see 38.31
- decontamination of surface water and groundwater at the place of pollution, see 39.00
- construction or repair of sewerage systems, see 42.21
- cleaning and unblocking of drainpipes in buildings, see 43.22
- rental of portable toilets, see 77.39