JSIC 3631—Sewerage treatment

Where 3631 sits

1. F Electricity, gas, heat supply and water overview of the major group
2. 36 Collection, purification and distribution of water, and sewage collection, processingand disposal
3. 363 Sewerage
4. 3631 Sewerage treatment

What 3631 includes

• This class comprises establishments primarily engaged in operating, maintaining, inspecting, and other work related to treatment and pumping facilities installed for the purpose of treating sewerage.

3631 in other systems