1. Total Coliform Organism MPN/100 ml shall be 50 or less
2. pH between 6.5 and 8.5
3. Dissolved Oxygen 6mg/l or more 
4. Biochemical oxygen demand 5 days 20^o C 2mg/l or less

1. Total Coliforms Organism MPN/100 ml shall be 500 or less
2. pH between 6.5 and 8.5
3. Dissolved Oxygen 5mg/l or more
4. Biochemical Oxygen Demand 5 days 20^oC 3mg/l or less

1. Total Coliforms Organism MPN/100 ml shall be 5000 or less
2. pH between 6.5 and  8.5
3. Dissolved Oxygen 4mg/l or more
4. Biochemical Oxygen Demand 5 days 20^oC 3mg/l or less

1. pH between 6.5 and 8.5
2. Dissolved Oxygen 4mg/l or more
3. Free Ammonia ( as N )1.2 mg/l or less

Irrigation  Industrial   Cooling,  Controlled waste disposal 

1. pH between 6.0 and 8.5
2. Electrical Conductivity at 25^oC micro mhos/cm Max. 2250
3. Sodium absorption ratio Max. 26
4. Boron Max. 2 mg/l