No

Criteria

Parameter Range

Ranking

Weight Ages

1

pH

7 - 7.5

1

20%

7.5 - 8.5

2

>8.5

3

2

BOD₅ mg/l

0

1

20%

>0

2

3

Electrical Conductivity (µS/cm)

500 - 750

1

15%

750 - 1000

2

>1000

3

4

Total Dissolved Solids (mg/l)

<500

1

15%

500 - 1000

2

>1000

3

5

Sulfate (mg/l)

≤100

1

10%

>100

3

6

Bicarbonate (mg/l)

100 - 500

1

10%

>500

3

7

Ammonia (mg/l)

<1.2

1

10%

>1.2

3