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Tankworld Tasmania

4054 L Island Septic Tank

4054 L Island Septic Tank


Type: Polyethylene
Width: 1640mm
Height: 1670mm
Length: 3400mm
Weight: 300kg
Application: 6-10 people


- Low Profile design
- Working capacity of 4054 litres
- Rotationally moulded from UV resistant polyethylene - providing many years of trouble free service
- Designed to comply with Australian Standard AS1546.1:2008
- Easy Installation
- Strong & Lightweight
- No internal supporting necessary
- Made in Tasmania

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4,054 L Island Septic Tank Specifications

Width: 1640mm

Length: 3400mm

Height: 1670mm

Weight: 385kg

Application: 6-10 People

  • Pre-Assembled Fittings

    100mm Inlet & Outlet fittings are pre-assembled ready for a quick easy and installation.

  • Super Strong

    Lightweight yet super strong polyethylene one-piece construction. The low profile design requires minimal excavation.

  • Heavy Duty Lid

    Heavy duty lids are sealed and pre-fitted. Optional risers are available.

Made In Tasmania

Island Septic Tanks are proudly made in Tasmania. Rotationaly moulded from UV resistant polyethylene providing many years of trouble free service.


Dual purpose septic tanks are a cost effective solution to residential wastewater treatment and are most commonly used where municipal wastewater services are not available. The 3054 litre Island Septic Tank is generally suited to households with 1-5 people.

  • Specifications

    More details measurements, fitting locations and provisions download the spec. sheet below.

    Specification Sheet 
  • Installation Instructions

    It is important that your new tank is installed on a suitable based, follow these installation instructions.

    Installation Instructions 
  • Delivery

    For important information regarding the delivery of your new tank check the delivery information here.

    Delivery Information