NIC 3700—Sewerage

Where 3700 sits

1. E Water supply; sewerage, waste management and remediation activities
2. 37 Sewerage
3. 370 Sewerage
4. 3700 Sewerage

Contains 5 narrower codes

• 370001 Operation and maintenance of sewer and drains
• 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)
• 370003 Collecting and transporting of sewage water
• 370004 Treatment of waste water or sewer water by means of physical, chemical or biological processes
• 370099 Other operation of sewer systems or sewage treatment facilities n.e.c.

What 3700 includes

• For details on Industry Class 3700, refer to the industry descriptions under its subcategories

What 3700 excludes

• Further treatment of sludge extracted from waste water, such as anaerobic digestion, aerobic treatment like composting, incineration with or without energy recovery, see 3830
• Decontamination of surface water and groundwater at the place of pollution, see 3900
• Construction or repair of sewer systems, see 4220
• Cleaning and deblocking of drainpipes in buildings, see 4322
• Rental and pumping of portable toilets, see 7730

3700 in other systems