https://www.healthywa.wa.gov.au/Articles/U_Z/Understanding-Septic-Tank-Systems
Most unsewered developments in Western Australia use septic tank systems to treat and dispose of sewage, also referred to as wastewater. Septic tank systems generally consist of one or two watertight cylindrical tanks called septic tanks and one or two sets of drainage receptacles which have holes in their sides and no base e.g. leach drains or soakwells.
https://www.healthywa.wa.gov.au/Articles/U_Z/Understanding-suicide
Suicide is a major cause of death in Australia. It is a result of a range of complex issues, which include personal, emotional, social and medical issues. Suicide is a tragic loss of life that causes great sadness and emotional upheaval among family, friends and peers as they struggle to understand why.