A recent study by Department of Geology, Andhra University and Civil Engineering Department of Malineni Perumallu Engineering College, Guntur revealed shocking results. The study conducted on concentration of Total Dissolved Solids (TDS) which are exceeding the maximum permissible limits in most of the villages in capital region.
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The TDs levels exceeded the permissible limit of 2,000 mg/l, TH- 600 mg/l, and Nitrogen 45 mg/l prescribed by BIS. Even in some locations like Ananthavaram, Abbarajupalem, Mandadam and Nulakapeta the concentration of TDS levels went upto 3,000 mg/I. The research team opined that increased use of chemical fertilisers for yielding high crop rate resulted in high concentration of TDS.
In villages like Nekkalu, Boruplalem, Lingayapalem, Udandarayanipalem, Modugulankapalem, Velagapadu, Tallayapalem, Venkatayapalem, Krishnayapalem, Yerrabalem, Dolesnagar, Undavalli, and Bethapudi, the TDS levels are in permissible limits i.e., less than 2,000 mg/l. The team also installed piezometers for understanding the variations in ground water levels in various seasons.
