KOTA KINABALU, April 26 -- Sabah's sewerage pipes - many going back 20 to 30 years - are crumbling and causing sinkholes (pic), burst pipes and leaks, with most parts of the State still depending on septic tanks instead of proper treatment systems.

"The pipes were constructed years ago and we are now seeing a lot of complaints coming in from localised hotspots, leakages and bursting pipes," said State Sewerage Service Department Chief Assistant Director Jenni Alliviana Suallih.

"The worst part is the sinkholes that are happening," she said, adding that the Department is working out how to carry out repairs without disturbing surrounding facilities and the environment.

Jenni was among panellists at the two-day Plumbing Asia 2026 Confere...