Real Time Continuous Water Quality Monitoring Stations

Parameter Cauvery River
Krishna River
pHunits
CODmg/L
BODmg/L
Dissolved Oxygenmg/L
Nitratemg/L
Chloridemg/L
TurbidityNTU
Ammoniamg/L
ColorHazen
ConductivityμS/cm
Temperature°C
Depth of Waterfeet
Designated Best Use Classification of Surface Water by CPCB
Class of Water Criteria
Drinking water source without conventional treatment but after disinfection A 1. Total Coliforms Organism MPN/100ml 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 20C 2mg/l or less
Outdoor Bathing (Organised) B 1. Total Coliforms Organism MPN/100ml 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 20C 3mg/l or less
Drinking water source after conventional treatment and disinfection C 1. Total Coliforms Organism MPN/100ml shall be 5000 or less
2. pH between 6 to 9
3. Dissolved Oxygen 4 mg/l or more
4. Biochemical Oxygen Demand 5 days 20C 3mg/l or less
Propagation of Wild Life & 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 25C micro mhos/cm Max.2250
3. Sodium Absorption Ratio Max.26
4. Boron Max 2mg/l
Below-E Not Meeting A, B, C, D & E Criteria