Class

Water Types

Wet

Dry

No

%

No

%

A

Normal earth alkaline water with prevailing bicarbonate

2

10

10

50

B

Normal earth alkaline water with prevailing bicarbonate and sulfate or chloride

4

20

2

10

C

Normal earth alkaline water with prevailing Sulfate or Chloride

8

40

7

35

D

Earth alkaline water; increased portions of alkalis; prevailing HCO₃⁻

2

10

E

Earth alkaline water with added portions of

alkalis with prevailing chloride

4

20

1

5

Cations field

1

Calcium rich

8

40

8

40

2

Magnesium rich

12

60

12

60

Anion Field

4

Bicarbonate rich

8

40

12

60

5

Chloride rich

12

60

6

30

6

Sulfate rich

2

10

Hydrogeochemical facies

Field I

Ca-Mg-Cl-SO₄

14

70

7

35

Field IV

Ca-Mg-HCO₃

6

30

13

65