Parameter

Units

Outlet

Cycle 1

Outlet

Cycle 2

Outlet

Cycle 3

Maximum admissible

values (Resolution 1207/2014)

pH

6.9

5.9

6.1

6.0 - 9.0

Conductivty

µS/cm

613

592

792

1500

RAS

8.21

10.29

10.0.2

5

Color

UC

80

121

106

ND

TSS

mg/L

<0.001

<0.001

<0.001

15

COD

mg/L

900

3674

1695

ND

BOD₅

mg/L

110

200

105

ND

TOC

mg/L

142

72

81

ND

Nitrates

mg/L

2.7

0.2

<0.1

5.0

Nitrites

mg/L

0.024

0.001

0.001

<1.0

Orthophosphate

mg/L

24.61

18.52

11.08

ND

Cations

Calcium

mg/L

15.31

16.43

23.32

ND

Magnesium

mg/L

3.42

3.11

4.32

ND

Potasium

mg/L

10.16

14.26

16.61

ND

Sodium

mg/L

96.51

122.71

141.90

70

Sum of Cationic

mg/L

125.4

156.51

186.15

ND

Anions

Sulphates

mg/L

19.53

19.07

7.12

500

Chlorides

mg/L

97.13

151.72

180.79

300

Carbonates

mg/L

N.D

N.D

N.D

ND

Bicarbonates

mg/L

236.04

99.12

136.92

90

Sum of anions

mg/L

352.7

269.91

324.83

ND

Thermotolerant Coliforms

Log₁₀ CFU/mL

4.4

4.2

4.1

10 × 10⁴