Parameter

Winter mean

Summer mean

Probability (p)^*

SO₄

727

497

0.0041 S

TDS

1565

1000

<0.0001 S

NTU

14.5

18.2

0.3433 NS

NH₄

2.0

0.5

0.1621 NS

NO₃

7.2

1.0

0.0048 S

TN

9.1

2.5

0.0014 S

TDN

7.6

1.6

0.0012 S

TP

123

171

0.0321 S

TDP

38

60

0.1732 NS

EC

1.8

1.0

<0.0001 S