Water samples collected from monitoring points along the Kalamassery stretch of the Periyar and the Kadambrayar near Brahmapuram recorded higher levels of faecal contamination from January to November ...
The total coliform levels on the Brahmapuram and Manakkakadavu stretches of the Kadambrayar in Ernakulam were found eight times higher than the maximum total coliform level of 2,500 per 100 ml under ...
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