How will drone surveillance aid the Sungai Pandan pollution investigation?

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Drone Surveillance Aids Sungai Pandan Pollution Investigation Through Visual and Chemical Detection

Drone surveillance is being employed by the Johor Department of Environment (DoE) to enhance the investigation into pollution in Sungai Pandan, following reports of an unpleasant chemical odour. These aerial surveys are identifying visual indicators of contamination, such as discoloured water and oil slicks, and are helping to pinpoint potential sources of pollution for further inspection. The data gathered from the drones will directly inform the department's efforts to identify and address the cause of the chemical odour.
Visual Indicators of Pollution Detected

Drone monitoring of a two-kilometre stretch of Sungai Pandan has revealed concerning visual evidence of pollution. Parts of the river have been observed to be black in colour, and oil slicks have been detected on the water's surface. These visual findings are significant in understanding the extent and nature of the contamination affecting the waterway.
Identification of Chemical Contamination Sources

In addition to general discolouration, the drones have detected oil slicks near the Tebrau Industrial Area, which are believed to be a result of chemical discharge. This specific identification of chemical slicks assists the Johor DoE in narrowing down the potential origins of the pollution. The presence of these slicks suggests a direct link between industrial activities or chemical handling in the vicinity and the contamination of Sungai Pandan.
Informing Industrial Premises Inspections

The findings from the drone surveillance will directly guide the Johor DoE's subsequent actions, specifically in inspecting industrial premises situated along Sungai Pandan. The focus of these inspections will be on factories that utilise ammonia, such as those in the fertiliser and ice industries, as well as sewage treatment plants. This targeted approach ensures that resources are directed towards the most likely contributors to the detected pollution.
Investigating External Dumping Possibilities

The drone surveillance also contributes to the broader investigation by considering the possibility of external waste dumping. The detected oil slicks and the nature of the pollution raise questions about whether waste chemicals were transported and illegally discharged into the river, potentially by a lorry from outside the immediate area. This avenue of inquiry is being actively pursued by the department as part of the comprehensive investigation.

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How will drone surveillance aid the Sungai Pandan pollution investigation?

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