Lightweight design for easy handling, transport, and installation
Manufactured from tough, UV-stabilised polyethylene
Anti-floatation ring and structural ribbing built in for ground stability
Certified to AS/NZS 1546.1 for on-site wastewater treatment
Supplied as a complete kit with lid, inlet, and outlet ‘T’ pieces
Coerco effluent disposal systems also available
Explore our range of septic tanks — engineered for long-term performance and full compliance with Australian standards.
| CODE | DESCRIPTION | |
|---|---|---|
SEP-1450 | 1,450 Litre Septic Tank - No Baffle | |
SEP-2200 | 2,200 Litre Septic Tank - No Baffle | |
SEP-3200 | 3,200 Litre Septic Tank | |
SEP-4000 | 4,000 Litre Septic Tank | |
LSEP-5500 | 5,500 Litre Underground Septic Tank | |
SEP-7000 | 7,000 Litre Septic Tank | |
SEP-11000 | 11,000 Litre Septic Tank | |
SEP-15000 | 15,000 Litre Septic Tank | |
SEP-19000 | 19,000 Litre Septic Tank | |
SEP-23000 | 23,000 Litre Septic Tank | |
SEP-27000 | 27,000 Litre Septic Tank | |
SEP-31000 | 31,000 Litre Septic Tank |
Coerco’s one-piece polyethylene septic tanks are designed for simple installation, long-term reliability, and full compliance with Australian Standards. UV-stabilised and impact-resistant, they’re built to perform in rural and remote environments with minimal maintenance.
With over 30 years of industry experience, we back every tank with proven performance, strong warranties, and dedicated support — giving you confidence from day one.
See Quality Firsthand
Cameron Green, Surface Works Area Manager
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