Abstract:The observations of present investigation revealed that the groundwater regime at State Infrastructure and Industrial Development Corporation of Uttarakhand Limited (SIDCUL) Industrial Estate (IE) was highly responsive to the anthropogenic stress of recharge and discharge parameters concerning the distressing industrial activities. The present study on groundwater characteristics of SIDCUL-IE, Haridwar in year [2013][2014] showed that the water of Sampling station-D (SSD) had relatively poor quality in comparison to the groundwater collected from Sampling station-A (SSA), Sampling station-B (SSB) and Sampling station-C (SSC). The samples had a high mineral load with relatively wider pH range. The physico-chemical parameters like pH (6.35 in October) at SSA, TDS (553.5 mg/l in November) at SSC, TH (600.0 mg/l in July) at SSB and alkalinity (525.0 mg/l in October) at SSD were beyond the prescribed limits of Bureau of Indian Standards (BIS). The Karl Pearson correlation matrix showed moderate to significantly positive correlation between various parameters like COD-phosphorus (r=0.629), temperature-DO (r=-0.477) at SSA; pH and bicarbonate (r=0.668) at SSB; pH-temperature (r=-0.551),turbidity-BOD (r=0.467), BOD-phosphorus (r=0.518), bicarbonate-acidity (r=-0.833) at SSC and TSS-turbidity (r=0.616), BOD-COD (r=0.6771) at SSD and temperature-DO (r=-0.666), hardness-acidity (r=-0.6542) BOD-COD (r=0.654) at control site. The overall quality of groundwater, though hard, was found acceptable for drinking purpose. The divergence in the results of groundwater samples taken from SIDCUL-IE and the Control site, 2 km away from SIDCUL-IE, indicated that groundwater pollution is increasing alarmingly which may have serious threats to human health in near future.

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