Cleared the same day where we can. And if everything in the house stopped at once, we will tell you straight away that you are probably not looking at a blockage.
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Sewerage works on fall. Around the Balmoral slopes the ground would not provide it, so those areas could not gravitate to the outfall sewer at all and were served instead by low-level pumping stations lifting waste back uphill through rising mains.
That means a share of properties here depend on a machine rather than on gravity, and a machine fails in a completely different way.
A blocked gravity drain declines. Slow, then slower, then backing up, with days of warning if anybody notices. A pump does not decline. It works, and then it stops, and every fixture in the house goes at once with no notice at all.
So the single most useful thing you can tell us on the phone is whether it is one fixture or all of them. One is almost certainly a blockage. All of them, simultaneously, is almost certainly not.
That is the shape of a pump fault, not a blockage. Say so when you ring and we will bring the right things.
The low-lying areas around the Balmoral slopes could not gravitate to the outfall the way the ridge does, so parts of this suburb rely on a pump to move waste rather than on fall.
That is not a defect and it is not unusual for harbourside ground. It is simply what happens when a property sits below the level its drainage has to reach.
If your property has one, everything on this page applies to you and very little of the standard advice about blocked drains does.
Gravity drains decline gradually and announce themselves. A fixture gets slower over months, then slower again, and there is time to act.
A pump works at full capacity right up until it does not. There is no gradual phase, no slow fixture, and no warning at all.
So everything stops at once, usually at the least convenient moment, and the first symptom is the whole system rather than one basin.
A float switch no longer sensing the level, so the pump never starts. An impeller jammed or wrapped, so it runs and moves nothing. Or the electrical supply, so it does not run at all.
All three are mechanical or electrical rather than buried, which means all three are accessible and diagnosable in a way a collapsed drain is not.
That is genuinely good news. A pump failure sounds worse than a gravity blockage and is frequently faster to resolve.
Has the circuit tripped. It is the single most common cause of a pump that has stopped, and it costs nothing to look at the switchboard before ringing anybody.
An alarm, if the system has one, is worth understanding before you need it. Many do, and most people have never worked out what it sounds like or where it is.
Two minutes now saves a call-out later, and we would rather tell you that than attend one.
In a gravity line a wipe is a blockage and a clean-out fixes it. In a pump it wraps around an impeller and stops the machine, which is a different job with a different price.
They do not break down, they are strong, and they bind around a rotating shaft in exactly the way that is hardest to remove.
So on a pumped property, keeping wipes out of the system is not general advice. It is the single most cost-effective habit available to you.
Unlike a buried gravity line, the parts that strand people are accessible and inspectable. A pump well can be looked at, a float can be tested, and an impeller can be cleared.
That makes scheduled attention genuinely worthwhile here in a way it is not for ordinary house drainage, where there is nothing useful to inspect.
A look once a year is inexpensive and it is the difference between a planned visit and an emergency one.
Everything that reaches the pump got there through ordinary drainage, and whatever enters that line through an open joint ends up in the pump well.
So roots, silt and debris that would be a slow nuisance on a gravity property become a mechanical problem here.
That is the argument for filming the upstream line on a pumped property, and it is covered properly on the relining page.
Sewer and stormwater are separate systems, and a pump on one has nothing to do with the other. Trouble that only arrives in a downpour is the stormwater side.
On steep harbourside ground stormwater moves fast and carries material into the first restriction it meets, so failures there tend to be sudden rather than gradual.
Saying which one you have gets the right equipment to the property first time.
Much of Mosman drains perfectly normally, and if that is you then wipes, kitchen fat and roots at open joints are the answer almost every time.
Once is an event. Three times in a year at the same point is a defect describing itself, and that is when a camera beats another clearance.
It is worth knowing which kind of property you have, because the advice genuinely differs.
Whether there is a defect, where it is, what repair it needs, and on a pumped property what is arriving at the pump well and why.
The recording is yours whatever it shows, and on a system with a machine in it, knowing what the machine is being asked to handle is worth having.
It also gives you a baseline, which on an installation with moving parts is more useful than on a plain gravity line.
Agreed as a fixed figure before anyone starts. These are indicative 2026 ranges. If the fault turns out to sit on Sydney Water's side, you will not be paying us for it.
Through an existing access point, cleared and flow tested before we leave.
Float, impeller and non-return valve checked. Usually quick, and priced as a job.
On the gravity portion. Footage handed over, and it also shows what is reaching the pump.
Roots and hardened build-up take longer than a soft blockage.
Private pump or Sydney Water's station, settled before anybody is invoiced.
The first question, and on this side of the harbour it usually decides the whole diagnosis.
Private pump or Sydney Water station. Nobody should be paying us to look at something that is not theirs.
A blockage gets cleared and flow tested. A pump gets the float, impeller and non-return valve checked and put right.
Usually simple, and on a pumped system usually about what is going down the drain in the first place.
If it all went at once, stop using the fixtures and ring. The holding capacity on a pumped system is small and it fills faster than people expect.
Call 1300 381 569Probably not, if your property is on a pumped system, and the difference matters. A blocked gravity drain degrades. It goes slow, then slower, then backs up, and there is normally days of warning if anyone is paying attention. A pump gives none. It works perfectly right up until it does not, and then every fixture in the house stops together because nothing is lifting the waste anywhere. Sudden and total is the signature of a machine, not an obstruction.
Because the ground would not cooperate with gravity. Sewerage relies on fall, and the low-lying areas around the Balmoral slopes could not gravitate to the outfall sewer at all. So low-level pumping stations were built to collect the waste and push it back uphill through separate sewers called rising mains, into the main gravity system. Chowder Bay's station was commissioned in 1926, serving the Mosman septic tanks at Balmoral Beach before the ocean outfall existed. Greater Sydney now runs more than six hundred of them.
Three things, mostly. A float switch that has stopped sensing the level, so the pump never gets told to run. An impeller jammed or wrapped by something that should not have been flushed. And a non-return valve that has stopped holding, which lets the rising main drain back down every time the pump stops, so it runs constantly and eventually burns out. All three are mechanical and all three are diagnosable in minutes rather than hours.
Considerably, and it is worth knowing. In a gravity system a wipe becomes a blockage, which is unpleasant and a clean-out fixes it. In a pump it wraps the impeller, which is a mechanical failure. That is a different job at a different price, and it is entirely avoidable. If you are on a pumped system, the bin is not a preference, it is the difference between an inconvenience and a repair.
Depends which one. The low-level pumping stations across the network, more than six hundred of them, belong to Sydney Water and are theirs to maintain. A pump inside a private boundary serving one property belongs to the owner, and that is the one we work on. Establishing which you are dealing with is the first thing we do, and if the problem sits on Sydney Water's side you should not be paying us for it.
Yes, and it is one of the few genuine advantages of a pumped system over a buried gravity line. You cannot inspect most of a gravity drain without a camera. A pump is accessible: the float, the non-return valve and the impeller can all be checked, and the things that strand people are exactly the things that give warning if anyone looks.
A standard drain clear through an existing access point is $150 to $400. A camera inspection is $250 to $450. Diagnosing a stopped pump is $180 to $350, and it is usually quick. What a repair costs after that depends entirely on which of the three things has failed, and we give you that figure before doing it.
Tell us whether it is one fixture or everything, and whether you know you have a pump. Plenty of people do not, and that is fine, we will establish it.
Fixed price agreed first, whose asset it is settled before anyone is billed, and a straight answer on what will stop it happening again.
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