| Parameter | Krishna River | Kaveri River | Honalli* River | Taralabalu* River | Holehonnur* River | Nadiharalahalli* River | kalaburagi River | nanjanagudu River | Unit |
|---|---|---|---|---|---|---|---|---|---|
| PH | 9.1 | 7.1 | 6.54 | 7.56 | 7.84 | 7.39 | 8.21 | - | pH |
| TEMPERATURE | 30.3 | 27.4 | 27.5 | 27.0 | 20.7 | 26.4 | 25.7 | - | ºC |
| AMMONIA | 0.4 | - | - | 0.04 | 0.12 | - | 0.28 | - | mg/L |
| COD | 25.46 | 26.75 | 17.26 | 14.83 | 14.41 | 9.3 | 44.6 | 679.39 | mg/l |
| BOD | 2.28 | 2.11 | 1.46 | 1.17 | 1.03 | 1.28 | 4.1 | 22.81 | mg/l |
| DISSOLVEDOXYGEN | 5.74 | 3.52 | 6.9 | 6.72 | 6.66 | 7.22 | 17.0 | - | mg/l |
| TURBIDITY | 26.48 | - | 95.11 | 74.18 | 49.4 | 16.74 | 3.5 | - | NTU |
| CONDUCTIVITY | 766.32 | - | 249.0 | 131.96 | 206.0 | 244.79 | 869.64 | - | µS/cm |
| CHLORIDE | 127.3 | - | 14.3 | 10.37 | 26.76 | 10.5 | 129.34 | - | mg/l |
| NITRATE | 1.37 | - | 1.0 | 1.21 | 0.74 | 0.79 | 1.2 | - | mg/L |
| COLOR | 7.13 | 5.68 | 4.16 | 4.43 | 2.06 | - | 3.2 | 11.12 | Hazen-eq. |
| DEPTH | - | - | 0.43 | 0.17 | 1.06 | 0.92 | 0.74 | 1.43 | |
| LEVEL | 0.61 | - | - | - | - | - | 0.64 | 2.18 | m |
| TIMESTAMP | 2024-07-03 17:45:00 | 2023-10-12 14:40:00 | 2025-11-13 21:45:00 | 2025-11-13 21:45:00 | 2025-11-13 20:45:00 | 2025-11-13 21:30:00 | 2025-11-13 21:30:00 | 2025-11-13 21:45:00 |
| 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 | |
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