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Petrol pumps ordered to test fuel tanks for water contamination every 2-8 hours

Regulatory authorities have mandated frequent water contamination checks at fuel retail outlets across India. Officials say rigorous testing protocols are essential given ethanol's hygroscopic properties.

LSN India · 7 November 2026

Petrol pumps ordered to test fuel tanks for water contamination every 2-8 hours

Petrol pumps across India have been directed to conduct water contamination tests in their fuel storage tanks at intervals of two to eight hours to ensure fuel quality and consumer safety. The directive comes as authorities move to strengthen oversight of fuel distribution networks and prevent the sale of adulterated or contaminated petroleum products.

Regulatory officials have specified that pump operators must employ alcohol-resistant water-finding paste for these inspections. The testing method is designed to detect even minute quantities of water that may have accumulated in storage tanks over time.

Experts emphasise that frequent testing is critical because ethanol, a common component in many fuel formulations, is highly hygroscopic and readily absorbs moisture from the surrounding environment. This property makes contamination a persistent concern across the supply chain, particularly during monsoon seasons when humidity levels remain elevated.

The enhanced inspection regime aims to maintain strict quality benchmarks for fuel sold at retail outlets and protect vehicle engines from potential damage caused by water-contaminated fuel. Pump operators who fail to comply with the testing schedules face penalties under existing fuel quality regulations.

This move represents part of a broader regulatory push to standardise fuel quality monitoring practices and ensure that consumers receive uncontaminated petroleum products across all retail distribution points.