And the Pettavagu you can see the TDS concentration is only 800 milligrams per litre and the Chlorides is less than 200, you can see the absence of Sulphates in the Pettavagu, this is upstream of CETP.
We can see nearby the TDS concentration of groundwater is high, 1.400 milligrams per litre and with Chlorides more than 400-500 milligramms per litre.