Water Analyses

Analysis Results mg / liter   Loskop DamLoskop Cannel#Class I
(recommended
operational limit)
#Class II
(max allowable 
for limited duration)
Total Dissolved Solids

260

262

< 1 000

> 1 000  -  2 400

Suspended Solids

21.6 

4.4

   
Nitrate & Nitrite as N

0.26

0.32

<  10

>  10  -  20

Chlorides as Cl

15.0

15.0

< 200

> 200 - 600

Total Alkalinity as CaCO3

50.0

53.0

   
Fluoride as F

0.26

0.26

<  1.0

> 1.0  -  1.5

Sulphate as SO4

125

118

< 400

> 400 - 600

Total Hardness as CaCO3  

137

139

   
Calcium Hardness as CaCO3

68

69

   
Magnesium Hardness as CaCO3

69

70

   
Calcium as Ca

27.3

27.6

< 150

> 150 - 300

Magnesium as Mg

16.7

16.9

<   70

>  70 - 100

Sodium as Na

19.2

19.7

< 200

> 200 - 400

Potassium as K

4.27

4.63

<   50

>   50 - 100

Iron as Fe

< 0.01

< 0.01

< 0.20

> 0.20 - 2.0

Manganese as Mn

< 0.01

 0.13

 < 0.10

 > 0.10 - 1.0

Conductivity at 25º C in mS/m

38.1

38.3 

< 150 

> 150 - 370 

pH-Value at 25º C

7.45

7.25 

5.0 - 9.5 

> 4.0 - 10.0 

pHs by 21º C

7.97

7.96 

   
Langelier Saturation Index

-0.52

-0.71

   
Turbidity as N.T.U.

6.3

5.0

< 1

> 1 - 5

Aluminium as Al

< 0.01

< 0.01      

< 0.30

> 0.30 - 0.50

#SANS Standards - 241 (2005)

All heavy metal analyses have been performed on filtered samples.
Tests market with an asterisk (*) are not SANAS accredited.
These results are related only to the items tested.

 

Quality Control Checks

Cation Balance

3.68

3.75

Anion Balance

4.06

3.98

% Difference

-4.9

-3.0

Measured TDS

260

262

Calculated TDS

239

236

Limits > 1.0 - < 1.2

1.1

1.1

Calculated TDS / E.C. (0.55 - 0.70)  0.6 0.6 

Loskop Dam is a combined gravity & arch type dam located on the Olifants River, near Groblersdal, Mpumalanga, South Africa. It was established in 1939 and has been renovated in 1979. The dam is situated in the Loskop Dam Nature Reserve and it serves mainly for irrigation purposes.