Onsite Effluent Disposal 
The Shire’s Environmental Health Department is responsible for the approval and subsequent inspection of all on-site effluent disposal systems.
Septic Tank Systems
Sewage and effluent can contain a variety of human disease-causing microorganisms and parasites. Disease can be spread to humans from this material by direct contact or indirectly by consumption of contaminated food or water. The safe disposal of sewage and effluent is therefore essential to protect the health of the community.
Aerobic Treatment Units
Aerobic Treatment Units (ATUs) are self contained electrical wastewater (sewage) treatment systems for use on properties that cannot be connected to the sewerage main. They are designed to receive and treat all household wastewater from the toilet, bathroom, kitchen and laundry. There are several ATU designs approved for use in single houses in Western Australia. They can also be scaled up in size and used in multiresidential and non-residential developments. However, such larger systems require individual assessment and approval of their technical design. In other states, ATUs are referred to as Aerated Wastewater Treatment Systems (AWTS).
Fees
All fees (with the exception of the Health Department of WA application fee) should be made payable to the Local Government for the district in which the apparatus will be installed.
The following Fees will apply:
| Fees | Amount | | Local Government application fee | $108.00 | | Health Department of WA application fee | | | (a) With a Local Government report | $35.00 | | (b) Without a Local Government report | $110.00 | | Local Government report fee | $108.00 | | Local Government report fee (This fee is set by the Local Government) | $108.00 | | Fee for the grant of a permit to use an apparatus (Including all inspections) | $108.00 |
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