Parameters

Sites

Reference Values

S1

S2

S3

S4

S5

S6

pH

6.97^a ± 0.37

7.03^a ± 0.32

6.75^a ± 0.41

6.79^a ± 0.36

6.84^a ± 0.35

6.74^a ± 0.36

6.00 - 9.00^**

Cond (µS/cm)

10.50^a ± 1.20

12.18^a ± 4.26

12.93^b ± 1.53

11.75^bc ± 0.80

11.82^c ± 1.11

13.89^c ± 5.68

20 - 500^**

% DO Sat

125.89^a ± 9.16

122.80^a ± 7.82

106.73^b ± 5.39

108.26^b ± 6.40

106.16^b ± 5.05

109.53^b ± 6.13

≥80.00^**

T (˚C)

16.64^a ± 0.96

16.80^a ± 0.85

17.60^bc ± 0.93

17.71^bc ± 0.82

17.37^ac ± 0.84

17.24^ac ± 0.87

≤20.00^**

TP (µg/L)

70.23^a ± 3.31

72.43^a ± 4.00

99.69^b ± 5.01

100.63^b ± 8.74

87.05^c ± 4.67

87.80^c ± 3.99

≤100.00^*

TN

(µg/L)

557.93^a ± 193.65

514.36^a ± 128.23

634.29^c ± 147.85

656.71^c ± 180.21

500.67^a ± 123.94

442.93^a ± 104.83

≤2180^*

P-PO₄ (µg/L)

71.59^a ± 2.96

69.20^a ± 2.60

88.04^b ± 6.25

90.70^b ± 4.62

85.72^b ± 4.11

85.84^b ± 4.78

-

N-NH₄ (µg/L)

110.18^a ± 33.38

106.34^a ± 32.83

217.32^b ± 60.70

215.41^b ± 52.11

188.15^b ± 49.18

179.32^b ± 40.42

≤3700 if pH ≤ 7.50^*

N-NO₂ (µg/L)

0.53^a ± 0.27

0.23^b ± 0.17

0.58^ab ± 0.45

0.73^ab ± 0.60

0.50^a ± 0.32

0.65^a ± 0.41

≤1000^*

TSS

(mg/L)

0.51^a ± 0.28

0.49^a ± 0.21

1.58^b ± 0.61

1.57^bc ± 0.58

1.07^cd ± 0.36

0.88^d ± 0.30

-

TSS org (mg/L)

0.25^a ± 0.19

0.23^a ± 0.15

0.46^b ± 0.16

0.67^b ± 0.36

0.50^b ± 0.20

0.41^b ± 0.20

-

TSS inorg (mg/L)

0.26^a ± 0.10

0.25^a ± 0.07

1.12^b ± 0.50

0.90^bc ± 0.33

0.57^cd ± 0.21

0.47^d ± 0.14

-

CHL

(µg/L)

0.18^a ± 0.07

0.28^a ± 0.17

0.61^b ± 0.18

0.41^bc ± 0.10

0.38^c ± 0.11

0.51^bc ± 0.16

≤30.00^*