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Requirements

To qualify for a Water Efficiency Label, the product must meet the relevant test standards and requirements, and water efficiency requirements stipulated by PUB.

A water fitting or appliance is deemed to comply with the stipulated standards if it is certified or tested by a conformity assessment body (product certification body/testing laboratory) accredited by the Singapore Accreditation Council (SAC) or its Mutual Recognition Arrangement (MRA) partners.

To learn more about the test standards and requirements, click here.

The water efficiency requirements for the products are listed below:

Products/Fittings Flow Rate/
Flush Capacity Requirements
Under Mandatory WELS
Zero Tick
0 Tick
Good
1 Tick
Very Good
2 Ticks
Excellent
3 Ticks
Shower Taps & Mixers > 9 litres/min > 7 to 9 litres/min > 5 to 7 litres/min 5 litres/min or less
Basin Taps & Mixers > 6 litres/min > 4 to 6 litres/min > 2 to 4 litres/min 2 litres/min or less
Sink/Bib Taps & Mixers > 8 litres/min > 6 to 8 litres/min > 4 to 6 litres/min 4 litres/min or less
Flushing Cisterns

(Per Flush) 		NA Dual Flush
> 4 to 4.5 litres
(full flush)

> 2.5 to 3 litres
(reduced flush) 		Dual Flush
> 3.5 to 4.0 litres
(full flush)

> 2.5 to 3 litres
(reduced flush) 		Dual Flush
3.5 litres or less(++)
(full flush)

2.5 litres or less
(reduced flush)
Urinal Flush Valve & Waterless Urinals

(Per Flush) 		NA > 1 to 1.5 litres > 0.5 to 1 litres 0.5 litres or less(++) or waterless urinals
Clothes Washing Machines

(Per Washload) 		NA > 12 to 15 litres/kg > 9 to 12 litres/kg 9 litres/kg or less
Under Voluntary WELS  
Good
1 Tick
Very Good
2 Ticks
Excellent
3 Ticks
Showerheads NA > 7 to 9 litres/min > 5 to 7 litres/min 5 litres/min or less

Note:
++ PUB to prescribe additional test(s) to be carried out for the Dual-Flush Low Capacity Flushing Cisterns and Urinal Flush Valves with flush volumes below 3.5 litres (full flush) and 0.5 litres respectively.
 
 
Last updated on 30 Sep 2011