PKD 37.00.Z—Sewage disposal and treatment

Where 37.00.Z sits

1. E Water Supply, Sewage and Waste Management, and Reclamation Activities
2. 37 Sewage disposal and treatment
3. 37.0 Sewage disposal and treatment
4. 37.00 Sewage disposal and treatment
5. 37.00.Z Sewage disposal and treatment

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