| Parameter | Krishna River | Kaveri River | Honalli* River | Taralabalu* River | Holehonnur* River | Nadiharalahalli* River | kalaburagi River | nanjanagudu River | Unit |
|---|---|---|---|---|---|---|---|---|---|
| PH | 9.1 | 7.1 | 7.94 | 6.33 | 7.46 | 7.36 | 8.17 | - | pH |
| TEMPERATURE | 30.3 | 27.4 | 23.7 | 22.6 | 20.9 | 26.3 | 24.5 | - | ºC |
| AMMONIA | 0.4 | - | 0.03 | - | 0.09 | - | - | - | mg/L |
| COD | 25.46 | 26.75 | - | 15.27 | 14.25 | 19.28 | 57.6 | - | mg/l |
| BOD | 2.28 | 2.11 | - | 1.19 | 1.02 | -0.18 | 4.5 | - | mg/l |
| DISSOLVEDOXYGEN | 5.74 | 3.52 | 7.58 | 6.78 | 6.34 | 5.94 | 1.97 | - | mg/l |
| TURBIDITY | 26.48 | - | - | 74.78 | 48.84 | 36.72 | 4.4 | - | NTU |
| CONDUCTIVITY | 766.32 | - | 2.0 | 88.32 | 204.0 | 153.45 | 475.82 | - | µS/cm |
| CHLORIDE | 127.3 | - | 13.46 | 10.58 | 26.46 | 21.8 | 167.04 | - | mg/l |
| NITRATE | 1.37 | - | - | 0.58 | 0.73 | 0.79 | 0.2 | - | mg/L |
| COLOR | 7.13 | 5.68 | - | 5.09 | 2.04 | 7.78 | 2.2 | 10.31 | Hazen-eq. |
| DEPTH | - | - | - | 0.18 | 1.07 | 0.92 | 0.7 | 1.25 | |
| LEVEL | 0.61 | - | - | - | - | - | 0.61 | 2.0 | m |
| TIMESTAMP | 2024-07-03 17:45:00 | 2023-10-12 14:40:00 | 2025-09-29 04:30:00 | 2025-09-29 04:15:00 | 2025-09-28 16:30:00 | 2025-09-29 04:15:00 | 2025-09-28 12:45:00 | 2025-09-29 04:30:00 |
| 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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