Parameters

Guide values

(WHO, 2017)

Samples

AY

AB

PB

B

Colour

15 VCU

42

97

42

67

Smell

Odourless

Odourless

Odourless

Odourless

Odourless

Temperature

[25˚C - 30˚C]

30

29.7

27.9

25.1

pH

[6.5 - 8.5]

6.3 at 24.7˚C

7.2 at 25.2˚C

6.7 at 25.4˚C

7.3 at 23.8˚C

Turbidity

≤4 UTN

5.54

18

2.51

27.3

Salinity*

<1 g∙L⁻¹

0.03

0.04

15.81

0.02

MY

-

<2 mg∙L⁻¹

<2 mg∙L⁻¹

<2 mg∙L⁻¹

9 mg∙L⁻¹

Conductivity**

˂300 μS∙cm⁻¹

69.2 at 25˚C

78.1 at 25˚C

26.1 at 25˚C

50.8 at 25˚C

Dissolved oxygen

>5 mg∙L⁻¹

7.70

7.48

6.93

6.74

Nitrates

≤50 mg∙L⁻¹

6.2

<0.3

4.3

<0.3

Nitrites

≤3 mg∙L⁻¹

0.029

0.023

0.218

0.030