Assessment of suitability of ground water quality in and around Laksar, Haridwar, Uttarakhand on the basis Water Quality Index (WQI)

The aim of present study is to assess the quality of the groundwater at selected villages of Laksar Block on the basis of Water Quality Index (WQI). During the present study maximum value of TS (790.6±28.26 mg/l) was found at site S1, while the minimum value (705.3±5.59 mg/l) was found at site S4. The maximum average value of TDS (548.7±30.37 mg/l) was found at site S5, while the minimum value (352.8±5.59 mg/l) was found at site S4. The maximum average value of pH (7.8±0.58) was found at site S1, while the minimum value (6.9±0.70) was found at site S6. The maximum average value of DO (6.5±0.57) was mg/l found at site S4, while the minimum value (6.1±0.57) was mg/l found at site S6. The maximum average value of TH (396.9±65.94) was mg/l found at site S3, while the minimum value of TH (223.3±5.59mg/l) was found at site S4. The maximum average value of CaH (331.3±32.57mg/l) was found at site S1, while the minimum value of CaH (142.4±2.88mg/l) was found at site S4. The maximum average value of Chloride (137.3±8.72mg/l) was found at site S1, while the minimum Chloride average value (53.4±2.83mg/l) was found at site S4. The maximum value of Sulphate (45.11±0.78mg/l) was found at site S5, while the minimum value (28±2.24mg/l) was found at site S4.