Operation of sewer systems

classLevel 4Use for ACRA Registration

This sub-class includes: - operation of sewer systems and/or sewer treatment facilities - treatment of wastewater (e.g., human and/or industrial wastewater, water from swimming pools) by means of physical, chemical and/or biological processes like dilution, screening, filtering, sedimentation, etc. - maintenance and/or cleaning of sewers and/or drains, including sewer rodding - operation of wastewater treatment facilities, for the reuse of e.g., agricultural, industrial, road cleaning or collected rain water, or for artificial recharge or augmentation of groundwater bodies - freeze drying of sewage sludge by wastewater treatment plants - emptying and/or cleaning of cesspools and/or septic tanks, sinks and/or pits from sewage - servicing of chemical toilets

SSIC Guide

Licences & Permits

1 licence apply to businesses in this SSIC code depending on the specific activities you conduct. Most are activity-triggered — a holding company in 64, for example, only needs a Banking Licence if it actually conducts banking.

Required for activityPUB

Written Approval for the Discharge of Trade Effluent Into the Public Sewer

Validity: 5 years
Processing: 4-6 weeks from the date of the complete submission of required documents

Prerequisites (4)

Attach Supporting Documents
e.g. Laboratory test report, Manufacturing Process Flow diagram (indicating where and how trade effluent is generated), Wastewater Treatment Process Flow Diagram, Licensed Waste Collection documents, MSDS, etc
File format: xls,tif,ppt,doc,pdf,jpg
Maximum upload per application: 2 MB

Full reference: how to apply, FAQ, prerequisites

Need help with these licences?

We handle the applications, document prep, and agency liaison end-to-end.

Licence requirements change — we keep this list current as part of the engagement.

Tax Incentives & Schemes

2 schemes that businesses in this SSIC code may qualify for. Eligibility is case-by-case — talk to the relevant authority.

Tax exemptionIRASPTE

Partial Tax Exemption (PTE)

Benefit: First SGD 10,000: 75% exemption; next SGD 190,000: 50% exemption. Available to all companies (including those past their 3-year SUTE window).

Eligibility: Singapore tax-resident company.

Tax exemptionIRASSUTE

Start-Up Tax Exemption (SUTE)

Benefit: First SGD 100,000 of chargeable income: 75% exemption; next SGD 100,000: 50% exemption. For each of the first 3 YAs after incorporation.

Eligibility: Newly incorporated SG-resident company, ≤ 20 individual shareholders (or one corporate holding ≥ 10%), not in investment-holding or property-development.

Note for SSIC : Excludes 64202 investment holding & 41001/68101 property development

Worth applying for any of these?

We screen eligibility and shape the application — most schemes are discretionary and need a substantive activity case.

Classification Path

Section

E-WATER SUPPLY; SEWERAGE, WASTE MANAGEMENT AND REMEDIATION ACTIVITIES

Current class

37000-Operation of sewer systems

Need help choosing?

Our guide helps you find the right SSIC code for your business activity.

Read the SSIC Guide