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Once a sewer connection is available to a property, it must be connected within five years of the water corporation advising of its availability. If the property is sold, it has to be connected within one year of the settlement date. Septic tanks must be ‘decommissioned’ to prevent them from collapsing in the future and possibly causing damage or injury.
Decommissioning means that all septic tanks, soakwells and leach drains are pumped empty by a licensed liquid waste contractor. All empty septic tanks, soakwells and/or leach drains must be either removed or have their lids and bases broken and filled with clean sand.
The City strongly recommends that onsite effluent disposal systems be decommissioned soon after a property is connected to mains sewage. Under law, septic tanks must be decommissioned:
Septic tanks, leach drains and soak wells must be completely emptied by a licensed liquid waste contractor.
Empty septic tanks, leach drains and soak wells should be completely removed from site if possible. If it is not possible, the lids must be removed and the bottom of septic tanks broken up.
The excavations, septic tanks and leach drains or soak wells must then be filled with clean fill such as yellow sand, and then thoroughly compacted.
Please contact Health Services for more information on decommissioning septic tanks on 08 9411 3444 or at firstname.lastname@example.org.
9 Coleville Crescent,
Po Box 1215, Bibra Lake DC,
Western Australia, 6965