Drinking water source without conventional treatment but after disinfection |
A |
1. Total Coliforms Organism MPN/100 ml shall be 50 or less
2. pH between 6.5 and 8.5
3. Dissolved Oxygen 6 mg/l or more
4. Biochemical Oxygen Demand 5 days 20 oC 2 mg/l or less |
Outdoor bathing (organised) |
B |
1. Total Coliforms Organism MPN/100 ml shall be 500 or less
2. pH between 6.5 and 8.5
3. Dissolved Oxygen 5 mg/l or more
4. Biochemical Oxygen Demand 5 days 20 oC 3 mg/l or less |
Drinking water source after conventional treatmen and disinfection |
C |
1. Total Coliforms Organism MPN/100 ml shall be 5000 or less
2. pH between 6 and 9
3. Dissolved Oxygen 4 mg/l or more
4. Biochemical Oxygen Demand 5 days 20 oC 3 mg/l or less |
Propagation of wild life and fisheries |
D |
1. pH between 6.5 and 8.5
2. Dissolved Oxygen 4 mg/l or more
3. Free Ammonia (as N) 1.2 mg/l or less |
Irrigation, industrial cooling, controlled waste disposal |
E |
1. pH between 6.0 and 8.5
2. Electrical Conductivity at 25 oC micro mhos/cm maximum 2250
3. Sodium absorption ratio maximum 26
4. Boron maximum 2 mg/l |