PKDSubclass
PKD 37.00.Z—Sewage disposal and treatment
Subclass · Polska Klasyfikacja Działalności (2025)
Where 37.00.Z sits
What 37.00.Z includes
- Operation of wastewater treatment systems for reuse (e.g., agricultural water, industrial water, road cleaning water, or rainwater harvesting); for artificial recharge or replenishment of groundwater reservoirs,
- Collection and transport of wastewater from users (e.g., households, industrial businesses),
- Collection and transport of rainwater using sewer systems, collectors, tanks, and other means of transport (e.g., septic tanks),
- Maintenance and cleaning of sewer and drainage systems, including pipe unblocking,
- Freeze-drying (lyophilization) of sewage sludge in sewage treatment plants,
- Emptying and cleaning of sewage from cesspools, septic tanks, pits, and septic tanks,
- Maintenance of chemical toilets.
What 37.00.Z excludes
- Further treatment of sludge extracted from sewage, classified in the appropriate subclasses of division 38: • anaerobic digestion, classified in the appropriate subclasses of group 38.2, • aerobic treatment, such as composting, classified in 38.21.Z, • waste incineration with energy recovery, classified in 38.22.Z, • waste incineration without energy recovery, classified in 38.31.Z,
- Disinfection of surface water and groundwater at the point of contamination, classified in 39.00.Z,
- Construction or repair of sewage systems, classified in 42.21.Z,
- Cleaning and unblocking of plumbing and sewage systems in buildings, classified in 43.22.Z,
- Rental of portable toilets, classified in 77.39.Z.
37.00.Z in other systems
ANZSICAustralia · New Zealand
- 2921 Waste Treatment and Disposal Services approximate via ISIC 3700
- 2812 Sewerage and Drainage Services approximate via ISIC 3700
- 2919 Other Waste Collection Services approximate via ISIC 3700
ATECOItaly
- 37.00.00 Sewerage approximate via ISIC 3700
- 37.00 Sewerage broader via ISIC 3700
- 37.00.0 Sewerage broader via ISIC 3700
CNAE BrazilBrazil
- 3702-9/00 Activities related to sewage, except for network management inferred via ISIC 3700
- 3701-1/00 Wastewater network management inferred via ISIC 3700
- E Water, sewage, waste management activities and decontamination broader via ISIC 3700
- 37 Sewage and related activities broader via ISIC 3700
- 37.0 Sewage and related activities broader via ISIC 3700
- 37.02-9 Activities related to sewage, except for network management broader via ISIC 3700
- 37.01-1 Wastewater network management broader via ISIC 3700
CNAESpain
- 37.00 Collection and treatment of wastewater contained via ISIC 3700
HSICHong Kong
- 370000 Sewerage approximate via ISIC 3700
- 3700 Sewerage broader via ISIC 3700
ICNEAChina
- 4620 Sewage treatment and its recycling contained via ISIC 3700
ISICUnited Nations (global)
- 3700 Sewerage contained
JSICJapan
- 3631 Sewerage treatment approximate via ISIC 3700
- 8813 Treatment tank cleaning approximate via ISIC 3700
- 8814 Treatment tank maintenance approximate via ISIC 3700
- 3632 Sewer maintenance approximate via ISIC 3700
- 8811 Night soil collection transportation business approximate via ISIC 3700
- 8812 Night soil processing business approximate via ISIC 3700
KSICSouth Korea
- 37011 Sewage treatment services approximate via ISIC 3700
- 37022 Animal waste treatment services approximate via ISIC 3700
- 37012 Wastewater treatment services approximate via ISIC 3700
- 37021 Human waste treatment services approximate via ISIC 3700
- 3701 Sewage, wastewater treatment services broader via ISIC 3700
- 3702 Human and animal waste treatment services broader via ISIC 3700
MSICMalaysia
- 37000 Sewerage and similar activities approximate via ISIC 3700
- 3700 Sewerage broader via ISIC 3700
NACEEuropean Union
- 37.00 Sewerage contained via ISIC 3700
NAFFrance
- 37.00Y Collection and treatment of waste water approximate via ISIC 3700
- 37.00 Collection and treatment of waste water broader via ISIC 3700
NAICSUnited States
- 221320 Sewage Treatment Facilities approximate via ISIC 3700
- 562998 All Other Miscellaneous Waste Management Services approximate via ISIC 3700
- 562991 Septic Tank and Related Services approximate via ISIC 3700
- 562219 Other Nonhazardous Waste Treatment and Disposal approximate via ISIC 3700
NAICS CanadaCanada
- 221320 Sewage treatment facilities approximate via ISIC 3700
- 562210 Waste treatment and disposal inferred via ISIC 3700
NICIndia
- 370099 Other operation of sewer systems or sewage treatment facilities n.e.c. approximate via ISIC 3700
- 370003 Collecting and transporting of sewage water approximate via ISIC 3700
- 370001 Operation and maintenance of sewer and drains approximate via ISIC 3700
- 370002 Operation and maintenance of other sewer systems (including sewer rodding, emptying and cleaning of cesspools, septic tanks, sinks, and pits from sewage, servicing of chemical toilets) approximate via ISIC 3700
- 370004 Treatment of waste water or sewer water by means of physical, chemical or biological processes approximate via ISIC 3700
- 3700 Sewerage broader via ISIC 3700
NOGASwitzerland
- 370002 Sewage disposal approximate via ISIC 3700
- 370001 Sewer and drain cleaning approximate via ISIC 3700
- 3700 Sewerage broader via ISIC 3700
SCIANMexico
- 562998 Other waste management services by the private sector approximate via ISIC 3700
- 562999 Other waste management services by the public sector inferred via ISIC 3700
- 562921 Waste recovery by the private sector inferred via ISIC 3700
- 562922 Waste recovery by the public sector inferred via ISIC 3700
- 562911 Remediation services by the private sector inferred via ISIC 3700
- 562912 Public sector remediation services inferred via ISIC 3700
- 221311 Water collection, treatment and supply carried out by the private sector inferred via ISIC 3700
- 221312 Water collection, treatment and supply carried out by the public sector inferred via ISIC 3700
SICUnited States (legacy)
- 4952 Sewerage Systems approximate via ISIC 3700
- 4953 Refuse Systems approximate via ISIC 3700
- 4959 Sanitary Services, NEC approximate via ISIC 3700
- 7359 Equipment Rental and Leasing, NEC approximate via ISIC 3700
- 7699 Repair Services, NEC approximate via ISIC 3700
SNISweden
- 37.000 Sewerage approximate via ISIC 3700
- 37.00 Sewerage broader via ISIC 3700
SSICSingapore
- 37000 Operation of sewer systems approximate via ISIC 3700
- 38200 Treatment and disposal of waste inferred via ISIC 3700
- 38301 Recycling of metal waste and scrap inferred via ISIC 3700
- 39000 Carbon capture activities inferred via ISIC 3700
- 38309 Recycling of non-metal waste n.e.c. inferred via ISIC 3700
- 38100 Collection of waste inferred via ISIC 3700
- 3700 Sewerage broader via ISIC 3700
UK SICUnited Kingdom
- 37.00 Sewerage contained via ISIC 3700
WZGermany
- 37.00.2 Operation of sewage treatment facilities approximate via ISIC 3700
- 37.00.1 Operation of sewer systems approximate via ISIC 3700
- 37.00 Sewerage broader via ISIC 3700
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