Status of Ground Water Quality in Thiruvallur District of Tamil Nadu (2011) | ||||
District | Number of Samples Collection | Number of Samples Having Chloride > 1000 Mg/l | Number of Samples Having Fluoride > 1.5 Mg/I | Number of Samples Having Nitrate > 45 Mg/I |
Thiruvallur | ||||
Tamil Nadu | ||||
Puducherry | ||||
State Total |