|
Designated-Best-Use |
Class of water |
Criteria |
|
Drinking Water Source without conventional treatment but after disinfection |
A
|
-
Total Coliforms Organism MPN/100ml shall be 50 or less
-
pH between 6.5 and 8.5
-
Dissolved Oxygen 6mg/l or more
-
Biochemical Oxygen Demand 5 days 20°C 2mg/l or less
|
|
Outdoor bathing (Organised) |
B
|
-
Total Coliforms Organism MPN/100ml shall be 500 or less pH between 6.5 and 8.5 Dissolved Oxygen 5mg/l or more
-
Biochemical Oxygen Demand 5 days 20°C 3mg/l or less
|
|
Drinking water source after conventional treatment and disinfection |
C
|
-
Total Coliforms Organism MPN/100ml shall be 5000 or less pH between 6 to 9 Dissolved Oxygen 4mg/l or more
-
Biochemical Oxygen Demand 5 days 20°C 3mg/l or less
|
|
Propagation of Wild life and Fisheries |
D
|
-
pH between 6.5 to 8.5 Dissolved Oxygen 4mg/l or more
-
Free Ammonia (as N) 1.2 mg/l or less
|
|
Irrigation, Industrial Cooling, Controlled Waste disposal |
E
|
-
pH betwwn 6.0 to 8.5
-
Electrical Conductivity at 25°C micro mhos/cm Max.2250
-
Sodium absorption Ratio Max. 26
-
Boron Max. 2mg/l
|
|
|
Below-E
|
Not Meeting A, B, C, D & E Criteria |
