Water Quality
Mahanadi
Baitarani
Rushikulya
Nagavali
Subernarekha
 
Subernarekha river basin
Sl. No Location No. of Obs. Annual average (2009) value (Range of values) Frequency of violation (Percent of violation) from designated criteria value Designated Class Existing Class Parameters responsible for downgrading the water quality Possible Reason
Parameters
pH DO (mg/l) BOD (mg/l) TC (MPN/100 ml) BOD TC
1. Rajghat 4 7.9 (7.2-8.4) 7.9 (7.6-8.2) 1.1 (0.4-1.5) 1745 (480-2400) 0 0 C C    
Class ‘C’ water quality Criteria  (IS-2296-1982) 6.5-8.5 4 and above 3 or less 5000 or less     Drinking water source with conventional treatment followed by disinfection
Values within parenthesis are annual range values
 
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