Septic systems and wastewater plumbing, Bairnsdale
Septic tank or treatment system near Bairnsdale? Servicing, smells and backups, and the East Gippsland Shire permit path for a new or altered system.
A septic plumber services and repairs the onsite wastewater system on a property that is not connected to town sewer, and installs or alters systems once East Gippsland Shire Council has issued a permit. Around Bairnsdale that means conventional septic tanks, aerated wastewater treatment systems (AWTS) and the trenches or irrigation that disperse treated water. Enquiries sent here go to up to three independent local plumbers, and each one that takes the job inspects the system and gives you their own price.
Is your property on sewer or septic?
If you are not sure, look for a concrete or plastic tank lid in the yard, an AWTS control box with an alarm light, or irrigation lines in one part of the garden. A rates notice, the property’s section 32 statement from purchase or East Gippsland Water can confirm whether the property is connected to a sewer. Sewerage availability differs from town to town and street to street across the shire, so check with East Gippsland Water rather than assuming. If you have a blockage and are not sure which system is to blame, our sewer or septic blockage guide helps you work it out.
What are the signs a septic system needs attention?
- Smells around the tank, the dispersal area or inside the house near floor wastes
- Slow drains in every fixture at once, rather than one sink
- Gurgling in toilets and basins when other fixtures drain
- Wet, spongy or very green ground over the trenches or irrigation area
- An alarm on an AWTS control panel, or a pump that has stopped running
- Water backing up into a shower or floor waste at the lowest point of the house
One slow sink on its own is usually a pipe blockage rather than a tank problem, and the blocked drains page covers that. Several fixtures playing up together points to the tank, the outlet or the dispersal field.
What types of system will a plumber find around Bairnsdale?
| System | How it works | What servicing usually involves |
|---|---|---|
| Conventional septic tank with trenches | Solids settle in the tank; liquid flows by gravity to absorption trenches | Checking sludge and scum levels, the outlet and baffles, and the trenches; arranging a pump-out when levels are high |
| Septic tank with a pump well | As above, with a pump lifting effluent to a higher dispersal area | Pump and float switch checks, alarm test, plus tank checks |
| Aerated wastewater treatment system | Air is pumped in to treat the wastewater, which is then disinfected and irrigated | Blower, pump and alarm checks, disinfection, irrigation line check, service report |
| Sand filter or other secondary treatment | Effluent passes through a filter bed before dispersal | Filter, distribution and outlet checks |
What happens at a septic or AWTS service?
A service visit is mostly inspection and testing. The Quote Yard’s Gippsland plumbing guide says the alarm should be tested at every service and never assumed to be working, and that the service interval in the council permit is the one to follow. A careful provider will:
- Read your permit or previous service reports to see what the system is and how often it should be serviced.
- Open the tank or treatment chambers and check levels, the inlet and the outlet.
- Test pumps, blowers, float switches and the alarm.
- Walk the dispersal area looking for pooling, smells or broken irrigation lines.
- Write up what they found and anything that needs repair, and leave a copy with you.
They will not cover over a failing dispersal field, disconnect an alarm to stop it sounding, or connect extra fixtures or a new bedroom to an existing system without telling you a council permit may be needed.
When do you need a council permit?
East Gippsland Shire Council’s residential septic tanks page says no wastewater treatment and disposal system handling up to 5,000 litres daily can go in, or be changed, until council has approved it. If the property has no reticulated sewerage and you are building a house, or extending a home to add bedrooms, you need a permit to install or alter a septic tank system. Systems are sized on the number of bedrooms, which is why an extension can trigger a new permit even when the plumbing fixtures barely change.
The council page sets out the steps:
- Application. The form goes in with site plans for the installation or alteration, a plan showing where the site is, a copy of a land capability assessment report, a certificate of conformity if the system is an aerated one, and a full copy of the current title.
- Approved products. The system installed must be approved by EPA Victoria.
- Permit to install. Permits are valid for two years, and the system must be built as the permit sets out.
- Permit to use. Council issues this once the system is installed, the inspections are done and the plumber’s compliance certificate has been submitted.
- Decommissioning. If a tank is taken out of use, for example after a sewer connection, council asks to be notified on its decommissioning form.
Council lists its application fees on the same page, so check them there before you budget. The land capability assessment is done by a specialist assessor, separate from the plumber, and council’s page lists people who do that work.
What do EPA Victoria’s guidelines cover?
EPA Victoria’s Guidelines for onsite wastewater management, publication 5001, were released on 22 May 2024. They are written for wastewater professionals, councils, water corporations and property owners, and explain the path to an A20 permit for systems under 5,000 litres through council, how to use and manage a system based on risk to health and the environment, and how to deal with faults and failures. System design and land application also draw on AS/NZS 1547, the standard for onsite domestic wastewater management. Owners do not need to read the standard, but it explains why a designer asks about soil, slope and distance to waterways.
What paperwork should you get?
Work on below-ground sanitary drains needs a compliance certificate whatever it costs, under the BPC’s compliance certificate rules. For a new or altered system, that certificate is also what council needs before it issues the permit to use. Keep it with the permit, the land capability assessment and your service reports. A buyer’s conveyancer is likely to ask for them when you sell.
How much does a septic service cost?
The Quote Yard puts a septic or AWTS service in Gippsland at $290 to $660 per visit. That covers the inspection, pump checks and a report. A pump-out by a liquid waste contractor, replacement pumps or blowers and repairs to trenches are priced on top. This page does not give a figure for a new system: published install prices bundle the land capability assessment and council permit with the plumbing, and those vary too much from site to site to be useful. When you ask for a septic service quote, say whether you want the alarm and pumps tested and a written report.
Why does location matter so much for septic work here?
Many unsewered blocks sit on river flats, slopes or near the lakes, and the dispersal area has to suit the soil and keep a distance from waterways. Out along the Tambo River at Bruthen, or on the vegetable-growing flats at Lindenow, a block’s soil and slope decide how big a dispersal area needs to be. That is also why the land capability assessment carries so much weight in a permit application.
Next step: send the system details
For a service or fault, tell the plumber what type of system you have (septic tank or AWTS, and the brand if it has one), when it was last serviced or pumped out, and what you have noticed, with photos of any alarm light, wet ground or the tank lid area. For a new or altered system, say whether you have a council permit or land capability assessment yet and how many bedrooms the house will have. Then send a septic enquiry with those details, adding your town and road so the provider can judge travel.
Frequently asked questions
- How often does a septic tank need pumping out?
It depends on the tank size, how many people live in the house and what goes down the drains. A service visit that measures the sludge and scum layers tells you whether a pump-out is due, which is better than going by a fixed number of years. Your council permit or service reports may also set an interval to follow.
- What should not go into a septic system?
Wipes, sanitary products, fats and cooking oil, paint, solvents and large amounts of strong cleaners or bleach all cause trouble. They either block pipes or kill the bacteria that break waste down. Spread laundry loads through the week so the tank is not flooded with water in one day.
- My AWTS alarm is beeping. Is it safe to keep using water?
Cut water use to the minimum and note what the panel shows, because the alarm usually means a pump, blower or high water level fault. Do not switch the alarm off and carry on. Send a photo of the panel and the system brand when you enquire so the provider can bring likely parts.
- I am buying a property on septic. What should I ask for?
Ask the seller for the council permit to use, the plumber's compliance certificate, any land capability assessment and the recent service reports. These show what system was approved and whether it has been maintained. A pre-purchase inspection by a plumber can check its condition before you commit.
- Can I drive over or plant trees on the dispersal area?
Keep cars, trucks and stock off the trenches or irrigation area, since the weight compacts the soil and can crush pipes. Grass and shallow-rooted plants are usually fine, but large trees nearby can send roots into the lines. If you are unsure where the field runs, ask the plumber to mark it out at the next service.