Parameters

Station 1

X ± SE (Min-Max)

Station 2

X ± SE (Min-Max)

Station 3

X ± SE (Min-Max)

WHO

limit

P-value

Significance

pH

5.338 ± 0.331

(4.60 - 6.55)

4.910 ± 0.403

(4.06 - 6.70)

5.050 ± 0.355

(4.27 - 6.37)

6.5 - 8.5

0.703

P > 0.05

Temperature (˚C)

29.417 ± 0.569

(28.0 - 32.00)

28.583 ± 0.664

(26.0 - 31.00)

28.667 ± 0.307

(28.0 - 30.00)

NG

0.495

P > 0.05

EC (µS/cm)

253.467 ± 155.675

(48.3 - 1030.00)

343.333 ± 207.562

(96.7 - 1380.00)

259.517 ± 85.101

(99.0 - 670.00)

NG

0.904

P > 0.05

Colour (Pt. Co)

0.533 ± 0.533

(0.0 - 3.20)

0.000 ± 0.000

(0.0 - 0.00)

0.000 ± 0.000

(0.0 - 0.00)

5.0

0.391

P > 0.05

Turbidity (NTU)

0.400 ± 0.400

(0.0 - 2.40)

0.000 ± 0.000

(0.0 - 0.00)

0.000 ± 0.000

(0.0 - 0.00)

5.0

0.391

P > 0.05

TSS (mg/l)

0.317 ± 0.317

(0.0 - 1.90)

0.000 ± 0.000

(0.0 - 0.00)

0.000 ± 0.000

(0.0 - 0.00)

500 - 1500

0.391

P > 0.05

TDS (mg/l)

127.48 ± 78.722

(22 - 520)

172.35 ± 105.673

(46 - 700)

126.20 ± 42.009

(50 - 330)

500

0.898

P > 0.05

Salinity (‰)

0.116 ± 0.071

(0.022 - 0.47)

0.155 ± 0.093

(0.044 - 0.62)

0.117 ± 0.038

(0.045 - 0.30)

200 - 600*

0.910

P > 0.05

DO (mg/l)

5.967 ± 0.184

(5.4 - 6.60)

5.667 ± 0.265

(4.9 - 6.70)

5.900 ± 0.225

(5.2 - 6.60)

5

0.628

P > 0.05

BOD5 (mg/l)

1.517 ± 0.135

(1.2 - 1.90)

1.767 ± 0.123

(1.5 - 2.30)

1.517 ± 0.194

(1.1 - 2.40)

NG

0.435

P > 0.05