| Collection Well | Sepron SEP-500 - Vertical axis cylindrical roto-moulded polyethylene tank. Certification applies only to the construction of the tank and access cover. It does not include the internal fittings | 500L | Sepron Tank burial depth = 0mm (ground level) | 30 Aug 2018 |
| Septic Tank/Collection Well | Sepron SEP-1000 - Vertical axis cylindrical roto-moulded polyethylene tank. Certification applies only to the construction of the tank and access cover. It does not include the internal fittings. | 1000L | Sepron Tank burial depth = 0mm (ground level) | 30 Aug 2018 |
| Septic Tank/Collection Well | Sepron SEP-1500 - Vertical axis cylindrical roto-moulded polyethylene tank. Certification applies only to the construction of the tank and access cover. It does not include the internal fittings | 1500L | Sepron Tank burial depth = 0mm (ground level) | 30 Aug 2018 |
| Septic Tank/Collection Well | Sepron SEP-2200 - Vertical axis cylindrical roto-moulded polyethylene tank. Certification applies to the construction of the tank and access cover and baffle (if fitted). | 2200L | Sepron Tank burial depth = 0mm (ground level) | 30 Aug 2018 |