| Drinking WaterSource 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 20C 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 20C 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 20C 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 25C micro mhos/cm Max.2250
- Sodium absorption Ratio Max. 26
- Boron Max. 2mg/l
|
| Below-E | Not Meeting A, B, C, D & E Criteria |
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