“The sewerage problem is third world now.”
That’s how Bruce Earle described the problems Brisbane is facing in a comment on social media recently, while Brisbane consulting engineer Nicholas Feros argued on a Village Voice post that a temporary bypass was “massively undersized”.
Mr Feros said a single 630mm line is being used for the bypass, installed to keep sewage moving while the Bulimba–Hamilton Siphon was offline, when the job called for at least 900mm.
By mid-2025, complications with the $210 million Bulimba–Hamilton Siphon Renewal Program had already pushed 540 megalitres of sewage-contaminated stormwater into the Brisbane River, after a pipe burst in the 70-year-old tunnel in January 2024.
Following questions from Village Voice, it was revealed a further 110 megalitres were released at Morningside in the 12 months to May 2026.
Sewage discharges have real health consequences. Brisbane paddlers have reported suffering slow-healing cuts and infections from river water containing waterborne bacteria.
It is clear the network is stretched.
In January 2024, Village Voice reported on plans for a facility at Albion Park that Urban Utilities initially told residents was a “water harvesting facility”, only for its own representative, Chris Bulloch, to tell an industry briefing months earlier that the project would help address “some of the biggest hydraulic bottlenecks in our city”.
It took direct questioning from this masthead before Urban Utilities admitted the facility would actually be drawing stormwater and sewage from the S1 trunk main to Luggage Point, the same broader network the Bulimba–Hamilton siphon feeds into.
Residents at the time accused the utility of “Yes Minister-style language” to obscure the scale of the problem.
The historic, century-old S1 main sewer, lying eight storeys below ground, carries more than 60 percent of all Brisbane’s sewage.
In February 2016, Urban Utilities continued rehabilitating 5.8km of the S1 main from Fortitude Valley to Eagle Farm.
The utility explicitly assured residents that the S1 main was “already big enough” to cope with the high-density apartment boom.
It promised the massive upgrade would “extend the operational life of the pipe by at least another 50 years”, theoretically securing the city’s core infrastructure until nearly 2070.
A decade on in 2026, with capacity bottlenecks triggering emergency bypasses and growth projections only getting steeper, that half-century guarantee and “big enough” promise doesn’t hold water in more ways than one.
