During the course of hydrogeological investigation of the Kulhan nala basin in parts of Dharsiwa block, in Raipur district of Madhya Pradesh, twelve samples of groundwater were collected and chemically analysed. The chemical results show that the PH of groundwater ranges between 7.2 and 8.2, indicates slightly alkaline. The TDS value for out of twelve samples eleven samples are below the permissible limit (below 500 mg/lt) are perfectly suitable for drinking and irrigation purpose. Total Hardness varies between Ill and 269 ppm, indication of moderately hard to hard water. The value determined for colnn's ratio (Cl/CO3 + HCO3) ranging between 0.11 and 0.48 is below unity reveals that the water is good for drinking purposes. Eaton's Index (CO3+H CO3-Ca+Mg) which refers to the residual alkaline, is ranging between -0.08 and 1.19, is below the permissible limit (below 1. 25 ppm), indicating good for irrigation and the value for kelly's ratio (Na/ Ca+ Mg) an indication of Sodium hazard is ranging between 0.05 and 0.77 is also below the permissible limit (below one), hence suitable for irrigation. The sodium percentage (Na% 5. 39- 44. 53), the sodium absorption ratio (SAR) value (0. 16 - 1. 64) and the specific conductance (371 - 954 µs/cm.) combinely suggests that the groundwater is suitable for irrigation purpose.
Cite this article:
Sridhar (1995). Chemical Characteristics of the Groundwater in parts of Dharsiwa Block, Raipur District, Madhya Pradesh. Journal of Ravishankar University (Part-B: Science), 8(1), pp. 51-60.