In forceAmended2007 Revised Edition

Contents

Subsidiary Legislation · 2007 Revised Edition

Sewerage and Drainage (Trade Effluent) Regulations

Official textFrom Singapore Statutes Online, unchanged

reg 1Citation

These Regulations may be cited as the Sewerage and Drainage (Trade Effluent) Regulations.

In these Regulations, unless the context otherwise requires —“blood waste” includes human blood, animal blood and any fluid, matter or material which is contaminated with blood;“grease trap” means any interceptor, arrestor, tank or pit situated above or under the ground which allows culinary wastewater to cool and the grease therein to be separated from the wastewater;“infectious disease” means any disease —

(a)

specified in the First Schedule to the Infectious Diseases Act 1976; or

(b)

which is caused, or is suspected to be caused, by a micro-organism or any agent of disease and is capable of transmission by any means to human beings or animals;“infectious waste” means any waste which contains or may produce pathogens of an infectious disease and includes —

(a)

cultures and stocks of agents of the infectious disease from a laboratory;

(b)

in relation to a person who has been diagnosed as having or suspected to have the infectious disease, or who has died whilst being diagnosed as having or suspected to have the infectious disease —

(i)

any waste from the person or the body of the person, as the case may be;

(ii)

any waste from a surgery performed on the person or autopsy performed on the body of the person, as the case may be; and

(iii)

any fluid, matter or material that has come into contact with the person or the body of the person, as the case may be; and

(c)

in relation to an animal which is inoculated with an agent of the infectious disease, or which has been diagnosed as having or suspected to have the infectious disease, or which has died whilst being diagnosed as having or suspected to have the infectious disease —

(i)

any waste from the animal or the body of the animal, as the case may be;

(ii)

any waste from a surgery performed on the animal or autopsy performed on the body of the animal, as the case may be; and

(iii)

any fluid, matter or material that has come into contact with the animal or the body of the animal, as the case may be;“organic sludge” means organic matter in trade effluent which has a minimum solid content of 3% by weight or a maximum moisture content of 97% by weight;“toxic industrial waste” means any toxic industrial waste specified in the first column of the Schedule to the Environmental Public Health (Toxic Industrial Waste) Regulations (Rg 11);“toxic industrial waste collector” has the meaning given by regulation 2(1) of the Environmental Public Health (Toxic Industrial Waste) Regulations.

“blood waste” includes human blood, animal blood and any fluid, matter or material which is contaminated with blood;

“grease trap” means any interceptor, arrestor, tank or pit situated above or under the ground which allows culinary wastewater to cool and the grease therein to be separated from the wastewater;

“infectious disease” means any disease —

(a)

specified in the First Schedule to the Infectious Diseases Act 1976; or

(b)

which is caused, or is suspected to be caused, by a micro-organism or any agent of disease and is capable of transmission by any means to human beings or animals;

“infectious waste” means any waste which contains or may produce pathogens of an infectious disease and includes —

(a)

cultures and stocks of agents of the infectious disease from a laboratory;

(b)

in relation to a person who has been diagnosed as having or suspected to have the infectious disease, or who has died whilst being diagnosed as having or suspected to have the infectious disease —

(i)

any waste from the person or the body of the person, as the case may be;

(ii)

any waste from a surgery performed on the person or autopsy performed on the body of the person, as the case may be; and

(iii)

any fluid, matter or material that has come into contact with the person or the body of the person, as the case may be; and

(c)

(i)

any waste from the animal or the body of the animal, as the case may be;

(ii)

any waste from a surgery performed on the animal or autopsy performed on the body of the animal, as the case may be; and

(iii)

any fluid, matter or material that has come into contact with the animal or the body of the animal, as the case may be;

“organic sludge” means organic matter in trade effluent which has a minimum solid content of 3% by weight or a maximum moisture content of 97% by weight;

“toxic industrial waste” means any toxic industrial waste specified in the first column of the Schedule to the Environmental Public Health (Toxic Industrial Waste) Regulations (Rg 11);

“toxic industrial waste collector” has the meaning given by regulation 2(1) of the Environmental Public Health (Toxic Industrial Waste) Regulations.

reg 3Lawful discharge into public sewerage system

(1)

The Board may, by notice in writing, require the owner of any premises to cause all trade effluent from those premises to be discharged into the part of the public sewerage system specified in the notice in accordance with these Regulations.

(2)

[Deleted by S 46/2013 wef 01/02/2013]

Subregulation 1

Subregulation 2

[Deleted by S 46/2013 wef 01/02/2013]

reg 4Approval for discharge into public sewerage system

(1)

An application for approval to discharge trade effluent into the part of the public sewerage system, or drain-line or sewer connected to a public sewerage system, specified in the application, made pursuant to section 16(1) or 16A(1) of the Act, as the case may be, shall be in such form as the Board may require.

(2)

The applicant shall, in his application, furnish to the Board —

(a)

particulars of the trade, manufacture, business or building construction carried on or to be carried on by him and in the course of which the trade effluent is wholly or partly produced or of which the trade effluent is the waste or refuse;

(b)

details of all the processes or operations employed or to be employed by him to produce the final products of the trade, manufacture, business or building construction;

(c)

particulars of all the raw materials and chemicals used or to be used in the processes or operations;

(d)

details of the layout of all the machinery, plant and equipment used or to be used in the premises in which the trade, manufacture, business or building construction is being or is to be carried on, as the case may be;

(e)

an estimate of the amount of water consumed or used or to be consumed or used in the trade, manufacture, business or building construction;

(f)

particulars of the physical, organic and chemical nature of the trade effluent; and

(g)

such other information relating to the trade effluent and the discharge thereof as the Board may require.

(3)

The Board may, in granting any approval referred to in paragraph (1), impose such conditions as it thinks fit, including a condition that the applicant must provide such deposits, performance bonds, guarantees or other forms of security, for such amounts, as the Board may from time to time require, to secure compliance by the applicant with any condition the Board imposes.

(4)

Where a person has been granted any approval mentioned in paragraph (1), the person must notify the Board in writing, within 14 days after any change in any of the following if the change affects the amount or the physical, organic or chemical nature of the trade effluent discharged:

(a)

a process or operation mentioned in paragraph (2)(b);

(b)

a raw material or chemical mentioned in paragraph (2)(c), if notified by the Board to the person in writing;

(c)

the layout mentioned in paragraph (2)(d).

(5)

The Board must not give a person a notification under paragraph (4)(b) unless the Board is satisfied that the trade effluent discharged from the trade, manufacture, business or building construction of the person is of a nature that is likely (either alone or in combination with or by interaction with another substance) —

(a)

to pose a health hazard or danger to the safety and health of any person at work at, on or in any part of the public sewerage system, drain-line or sewer mentioned in paragraph (1);

(b)

to render inoperable the part of the public sewerage system, drain-line or sewer into which the trade effluent has been approved to be discharged; or

(c)

to severely disrupt —

(i)

the proper working of the part of the public sewerage system, drain-line or sewer mentioned in sub-paragraph (b), or any facility, machinery or equipment related or connected to the same;

(ii)

any process of treating trade effluent, sewage or other waste for reuse, or any facility, machinery or equipment related or connected to the same; or

(iii)

any process of water reclamation, or any facility, machinery or equipment related or connected to the same.

(6)

The Board may, in relation to any approval granted under paragraph (1) —

(a)

modify the conditions in relation to the approval, whether by —

(i)

removing, varying or replacing any condition that was imposed upon the grant of the approval; or

(ii)

imposing any new condition on the approval (including a condition that the person granted the approval under paragraph (1) must provide such deposits, performance bonds, guarantees or other forms of security, for such amounts, as the Board may from time to time require, to secure compliance by the applicant with any condition the Board imposes); or

(b)

suspend or revoke the approval.

Subregulation 1

Subregulation 2

The applicant shall, in his application, furnish to the Board —

(a)

(b)

details of all the processes or operations employed or to be employed by him to produce the final products of the trade, manufacture, business or building construction;

(c)

particulars of all the raw materials and chemicals used or to be used in the processes or operations;

(d)

(e)

an estimate of the amount of water consumed or used or to be consumed or used in the trade, manufacture, business or building construction;

(f)

particulars of the physical, organic and chemical nature of the trade effluent; and

(g)

such other information relating to the trade effluent and the discharge thereof as the Board may require.

Subregulation 3

Subregulation 4

(a)

a process or operation mentioned in paragraph (2)(b);

(b)

a raw material or chemical mentioned in paragraph (2)(c), if notified by the Board to the person in writing;

(c)

the layout mentioned in paragraph (2)(d).

Subregulation 5

(a)

to pose a health hazard or danger to the safety and health of any person at work at, on or in any part of the public sewerage system, drain-line or sewer mentioned in paragraph (1);

(b)

to render inoperable the part of the public sewerage system, drain-line or sewer into which the trade effluent has been approved to be discharged; or

(c)

to severely disrupt —

(i)

the proper working of the part of the public sewerage system, drain-line or sewer mentioned in sub-paragraph (b), or any facility, machinery or equipment related or connected to the same;

(ii)

any process of treating trade effluent, sewage or other waste for reuse, or any facility, machinery or equipment related or connected to the same; or

(iii)

any process of water reclamation, or any facility, machinery or equipment related or connected to the same.

Subregulation 6

The Board may, in relation to any approval granted under paragraph (1) —

(a)

modify the conditions in relation to the approval, whether by —

(i)

removing, varying or replacing any condition that was imposed upon the grant of the approval; or

(ii)

(b)

suspend or revoke the approval.

reg 5Pre-treatment plant, monitoring and control devices, etc.

(1)

Any person who discharges trade effluent into any sewerage system shall, in connection with such discharge, install such sampling test points, inspection chambers, measuring devices, and recording and other apparatuses as the Board may require.

(2)

Any person who discharges trade effluent into any sewerage system shall install a pre-treatment plant if the Board so requires and shall —

(a)

use or operate the plant to treat trade effluent before discharging the trade effluent into the sewerage system; and

(b)

maintain the plant in an efficient condition at all times.

(3)

A person must not tamper with —

(a)

any sampling test point, inspection chamber, measuring device, or recording and other apparatus installed (whether or not by the person) for the purpose of sampling, inspecting, measuring or recording any trade effluent discharged into any sewerage system; or

(b)

any pre-treatment plant installed (whether or not by the person) for the purpose of treating any trade effluent discharged into any sewerage system.

Subregulation 1

Subregulation 2

Any person who discharges trade effluent into any sewerage system shall install a pre-treatment plant if the Board so requires and shall —

(a)

use or operate the plant to treat trade effluent before discharging the trade effluent into the sewerage system; and

(b)

maintain the plant in an efficient condition at all times.

Subregulation 3

A person must not tamper with —

(a)

(b)

any pre-treatment plant installed (whether or not by the person) for the purpose of treating any trade effluent discharged into any sewerage system.

reg 6Installation of grease trap

(1)

Any person who discharges trade effluent into any sewerage system shall, in connection with the discharge, install a grease trap, as may be required in any applicable codes of practice issued by the Board.

(2)

The person referred to in paragraph (1) shall ensure that the grease trap is maintained from time to time as the Board may, by notice in writing, require.

Subregulation 1

Subregulation 2

The person referred to in paragraph (1) shall ensure that the grease trap is maintained from time to time as the Board may, by notice in writing, require.

reg 7Particulars to be furnished

Any person who discharges trade effluent into a sewerage system shall, at such times as the Board may require, submit particulars of —

(a)

the amount of water consumed or used for the purposes of any trade, manufacture, business or building construction carried on by him and in the course of which the trade effluent is wholly or partly produced or of which the trade effluent is the waste or refuse;

(b)

the physical, organic and chemical nature of the trade effluent;

(c)

the raw materials and chemicals used in the trade, manufacture, business or building construction and the direction of the flow of any liquid or the trade effluent from or produced by any machinery, plant or equipment used in the trade, manufacture, business or building construction; (ca)any record on the inspection or maintenance of an apparatus installed under regulation 5(1) or pre-treatment plant installed under regulation 5(2), for a period not exceeding 12 months before the date the Board requires the submission of the record;

(cb)

any result issued by a testing laboratory accredited under the Singapore Accreditation Council — Singapore Laboratory Accreditation Scheme (SAC — SINGLAS) for the analysis under regulation 12(1) of the trade effluent, for a result issued in a period not exceeding 12 months before the date the Board requires the submission of the result;

(cc)

any record of the disposal of any toxic industrial waste from his premises by a toxic industrial waste collector, for a period not exceeding 12 months before the date the Board requires the submission of the record; and

(d)

such other matters relating to the trade effluent and the discharge thereof as may be required by the Board.

reg 8Nature and type of trade effluent to be discharged

(1)

A person must not discharge or cause to be discharged into any public sewerage system any trade effluent —

(a)

which is not of a nature or type approved by the Board;

(b)

the temperature of which exceeds 45° Celsius at the point of its entry into the public sewerage system;

(c)

the pH value of which is less than 6 or more than 9 at the point of its entry into the public sewerage system; or

(d)

the caustic alkalinity of which is more than 2,000 milligrams of calcium carbonate per litre at the point of its entry into the public sewerage system.

(2)

The Board may require any person who seeks to discharge any trade effluent into any public sewerage system to treat the trade effluent before discharging the trade effluent into the public sewerage system, and such person must comply with the requirement.

Subregulation 1

A person must not discharge or cause to be discharged into any public sewerage system any trade effluent —

(a)

which is not of a nature or type approved by the Board;

(b)

the temperature of which exceeds 45° Celsius at the point of its entry into the public sewerage system;

(c)

the pH value of which is less than 6 or more than 9 at the point of its entry into the public sewerage system; or

(d)

the caustic alkalinity of which is more than 2,000 milligrams of calcium carbonate per litre at the point of its entry into the public sewerage system.

Subregulation 2

reg 9Trade effluent to be free of certain substances

(1)

Subject to any permission granted under regulation 11A, a person must not discharge or cause to be discharged into any public sewerage system, or any drain-line or sewer connected to a public sewerage system, any trade effluent which contains any of the following substances:

(a)

any toxic industrial waste, unless the toxic industrial waste is treated and does not contain any substance listed in the Second or Third Schedule in a concentration greater than that specified in either Schedule for the substance;

(b)

calcium carbide;

(c)

petroleum spirit or other inflammable substance;

(d)

any organic compound specified in the First Schedule;

(e)

any substance that either by itself or in combination or by reaction with other waste or refuse may give rise to any gas, fume, odour or substance which is or is likely to be a hazard to human life, a public nuisance, injurious or otherwise objectionable, or which prevents or is likely to prevent entry by workmen maintaining or repairing the public sewerage system, into the public sewerage system;

(f)

yeast, spent or unspent molasses, crude tar, tar oil, crude oil, carbon disulphide, hydro-sulphide and poly-sulphide;

(g)

any radioactive material;

(h)

any waste or refuse liable to form a viscous or solid coating or deposit on any part of the public sewer or sewerage system;

(i)

any excessively discolouring substance;

(j)

[Deleted by S 46/2013 wef 01/02/2013]

(k)

any pesticide, fungicide, herbicide, insecticide, rodenticide or fumigant;

(l)

blood waste;

(m)

infectious waste;

(n)

any biological agent within the meaning given by section 2 of the Biological Agents and Toxins Act 2005;

(o)

any toxin within the meaning given by section 2 of the Biological Agents and Toxins Act 2005;

(p)

any animal waste, except in accordance with paragraph (2);

(q)

any chemical that is classified with hazard statement code H340, H350 or H360 under the ninth revised edition of the Globally Harmonised System of Classification and Labelling of Chemicals (GHS) published by the United Nations in 2021;

(r)

any waste generated from a process that involves tissue digestion or tissue hydrolysis.

(2)

A person may discharge or cause to be discharged any trade effluent that contains animal waste under paragraph (1)(p) in any of the following circumstances:

(a)

the trade effluent is discharged from a veterinary clinic, pet shop, or pet boarding facility;

(b)

the trade effluent —

(i)

is discharged from a veterinary hospital, equestrian facility, slaughterhouse or farm; and

(ii)

does not contain any solid animal waste;

(c)

the trade effluent —

(i)

is discharged from an animal quarantine facility;

(ii)

does not contain any solid animal waste; and

(iii)

is decontaminated.

Subregulation 1

(a)

(b)

calcium carbide;

(c)

petroleum spirit or other inflammable substance;

(d)

any organic compound specified in the First Schedule;

(e)

(f)

yeast, spent or unspent molasses, crude tar, tar oil, crude oil, carbon disulphide, hydro-sulphide and poly-sulphide;

(g)

any radioactive material;

(h)

any waste or refuse liable to form a viscous or solid coating or deposit on any part of the public sewer or sewerage system;

(i)

any excessively discolouring substance;

(j)

[Deleted by S 46/2013 wef 01/02/2013]

(k)

any pesticide, fungicide, herbicide, insecticide, rodenticide or fumigant;

(l)

blood waste;

(m)

infectious waste;

(n)

any biological agent within the meaning given by section 2 of the Biological Agents and Toxins Act 2005;

(o)

any toxin within the meaning given by section 2 of the Biological Agents and Toxins Act 2005;

(p)

any animal waste, except in accordance with paragraph (2);

(q)

(r)

any waste generated from a process that involves tissue digestion or tissue hydrolysis.

Subregulation 2

A person may discharge or cause to be discharged any trade effluent that contains animal waste under paragraph (1)(p) in any of the following circumstances:

(a)

the trade effluent is discharged from a veterinary clinic, pet shop, or pet boarding facility;

(b)

the trade effluent —

(i)

is discharged from a veterinary hospital, equestrian facility, slaughterhouse or farm; and

(ii)

does not contain any solid animal waste;

(c)

the trade effluent —

(i)

is discharged from an animal quarantine facility;

(ii)

does not contain any solid animal waste; and

(iii)

is decontaminated.

reg 9AOrder to stop discharge of trade effluent containing specified substances

(1)

Where a person discharges or causes to be discharged any trade effluent containing a specified substance into a public sewerage system, or a drain-line or sewer connected to the public sewerage system, the Board may order the person to do any one or more of the following:

(a)

immediately stop the discharge of the trade effluent;

(b)

take any steps that are specified in the order to treat the trade effluent;

(c)

immediately stop the carrying on of any process or work that produces the trade effluent,and the person must comply with the order.

(2)

For an order under paragraph (1)(a) or (c), the Board may specify that the order has effect indefinitely or until any steps that are specified in the order have been taken to treat the trade effluent before it is discharged into a public sewerage system or the drain-line or sewer connected to the public sewerage system.

(3)

In this regulation, “specified substance” means a substance that is of a nature that is likely, either alone or in combination with or by interaction with another substance, to severely disrupt —

(a)

any process of treating trade effluent, sewage or other waste for reuse; or

(b)

any process of water reclamation.

Subregulation 1

(a)

immediately stop the discharge of the trade effluent;

(b)

take any steps that are specified in the order to treat the trade effluent;

(c)

immediately stop the carrying on of any process or work that produces the trade effluent,and the person must comply with the order.

Subregulation 2

Subregulation 3

(a)

any process of treating trade effluent, sewage or other waste for reuse; or

(b)

any process of water reclamation.

Read on from reg 10