ICNEAClass
ICNEA 7721—Water pollution control
Class · Industrial Classification for National Economic Activities (GB/T 4754-2017) (GB/T 4754-2017)
Where 7721 sits
What 7721 includes
- It includes the following water pollution control activities：
- Urban water treatment services: urban water garbage removal services, urban water garbage transportation services, urban water and grass cleaning services, urban water quality degradation treatment services, other urban water treatment services
- River and lake governance services: river and lake garbage cleanup services, river and lake water and grass cleanup services, river and lake water pollution control services, and other river and lake governance services
- Reservoir pollution control services: reservoir garbage cleaning services, reservoir aquatic plants cleaning services, reservoir water pollution control services, other reservoir pollution control services
- Groundwater pollution control services
- Water pollution control services
- Adaptive dosing system for water treatment
- Support the engineering of large-scale lake ecological governance and restoration technology
- Comprehensive decision-making on the prevention and control of groundwater pollution, surface water-groundwater collaborative control
- Other water pollution control services
- Refers to the comprehensive pollution control activities of rivers, rivers, lakes, reservoirs, groundwater and surface water, excluding the collection and treatment activities of discharged sewage.
What 7721 excludes
- The activities of urban domestic sewage treatment and sewage treatment plants are included in 4620 (Sewage treatment and its recycling)
- Urban sewage discharge, included in 7810 (Municipal facilities management)
- Pollution control of marine waters, included in 7432 (Marine Environmental Services)
- The activities of the environmental protection administrative department are included in 9224 (Social affairs management agency)
7721 in other systems
Looking up equivalents…