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Johor authorities probe Sungai Kim Kim after unexplained white discoloration

The Johor Department of Environment has launched an investigation into the recurrence of white discoloration in Sungai Kim Kim, with cable excavation works identified as a potential cause.

LSN Malaysia · 29 October 2026

Johor authorities probe Sungai Kim Kim after unexplained white discoloration

JOHOR BAHRU — Environmental authorities in Johor have initiated a probe into fresh reports of discoloration affecting Sungai Kim Kim, following the emergence of white-coloured water in the river. The Johor Department of Environment (DOE) is examining whether ongoing cable excavation activities in the vicinity of the waterway may be responsible for the latest incident.

The reappearance of discoloration in the river has raised concerns among residents and environmental officials, coming after previous pollution incidents at the same location. The DOE has indicated that construction and excavation works conducted near the river may have disturbed sediments or introduced foreign substances into the water body.

The department is conducting water samples and site inspections to determine the exact cause and composition of the white discoloration. Preliminary findings are expected to guide enforcement action and remedial measures as investigations proceed.

Sungai Kim Kim has faced multiple environmental challenges in recent years, making the river a focus area for the DOE's monitoring efforts. Authorities have urged contractors operating in areas adjacent to waterways to adhere strictly to environmental protection protocols and notify relevant agencies before commencing excavation activities.