Parameter

Without check dam (October 2016)

After check dam constructed (January 2017)

DO

1.12 mg/L

4.99 mg/L

Al

0.31 - 0.57

0.19 - 0.20 ppm

Conductivity

110 µS/cm

145 µS/cm

TDS

69 mg/L

92 mg/L

pH

3.04

2.93

Temperature

27˚C

26.7˚C