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Palm oil mill ordered closed after equipment failure pollutes Johor river

Authorities in Kluang have shut down a palm oil processing facility after a pump malfunction released effluent into Sungai Sembrong. The closure follows investigations identifying the mill as the source of recent river contamination.

LSN Malaysia · 17 September 2026

The mill in Kluang, Johor, has been ordered to cease operations following the discovery that a faulty pump system allowed untreated mill effluent to enter the waterway. Environmental officials traced the pollution incident to the facility after samples from Sungai Sembrong tested positive for contaminants consistent with palm oil processing discharge.

The equipment failure represents a significant breach of environmental regulations governing industrial facilities in the state. Palm oil mills are required to maintain functioning treatment systems and containment protocols to prevent effluent from reaching natural water sources.

The closure order remains in effect pending repairs to the pump system and implementation of enhanced pollution prevention measures. Authorities have indicated that the facility must undergo comprehensive inspections and demonstrate compliance with environmental standards before operations can resume.

The incident highlights ongoing concerns about industrial pollution management in Johor's river systems. Relevant state agencies have launched a broader investigation to ensure other mills in the region maintain proper waste containment procedures.