We hope you found our previous circular helpful! In it, we clarified the PUB's expectations regarding the security of water storage tanks.
This circular will focus on the prevention of mosquito breeding and ingress of any animal, insect, foreign material, etc. in water storage tanks. Here is a list of responsibilities for MCSTs, Town Councils, and building owners:
Ensure water tanks are adequately protected and screened to prevent the entry of animals, insects, or foreign material. Check for corroded surfaces, dents, or gaps in roof covers, inspection covers, and other openings during inspections.
During routine checks, inspect for potential fly or insect infestations by identifying tell-tale signs.
Use non-corrodible stainless steel mosquito-proof netting with an aperture size not exceeding 0.65mm to screen air vents, overflow pipes, and warning pipes.
For new buildings or unoccupied units, conduct regular water flushing after commissioning to prevent stagnation.
Monitor daily water consumption and adjust water tank storage capacity if needed to avoid prolonged water stagnation. Ensure the volume is sufficient for one day's usage.
Inspect and ensure water tank covers are not left open for extended periods, especially during and after commissioning, to minimise the risk of animals, insects, or foreign materials entering the tank.
Let us work together to ensure that your water pumps deliver safe drinking water reliably.
Thank you.
Yours sincerely,
Pumps Service Centre Team
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