To analyzing the EC (μS/cm), RSC (meq/L) and SAR for assessing the quality of ground water of District Dera Ghazi Khan Southern Punjab (Pakistan). About 16555 water samples from D. G. Khan Tehsil and 5500 water samples from Tehsil Taunsa Sharif were collected. On the basis of RSC water samples show highly fitness. In Tehsil D. G. Khan it was 99% fit, correspondingly same result were drown from Taunsa Sharif. However on SAR basis ground water quality were noted that 98% from D.G. Khan and 97% from Taunsa Sharif were fit. Finally classifying the water samples on the three quality parameters EC (μS/cm), RSC (meq/L) and SAR in Tehsil D. G Khan and Taunsa Sharif following result were set up in (Table 6) that point out 60.60% water samples were consider fit, 5.65% marginally fit and 33.75% unfit, respectively. In Tehsil Taunsa Sharif, 29.07% samples were fit, 4.02% were marginally fit and 66.91% were unfit.