Research Papers Published by DBB
Table 4 : Physico-Chemical Charactaristics of the water at Kole.
| Parameters | July | Aug. | Sept. | Oct. | Nov. | Dec. |
| Water temp. (°C) | 24.0 | 23.0 | 23.5 | 28.0 | 25.0 | 24.0 |
| * Dissolved oxygen | 0.85 | 7.6 | 8.6 | 3.4 | 1.0 | 7.8 |
| PH | 7.0 | 8.2 | 8.0 | 7.5 | 7.6 | 7.6 |
| S. D. T. | 11.0 | 12.5 | 33.0 | 35.0 | 53.0 | — |
| Turbidity (NTU) | 23.5 | 98.0 | 73.0 | 17.5 | 5.0 | 50.0 |
| * Total solids | 1640.0 | 1610.0 | 720.0 | 1098.0 | 852.0 | 1166.0 |
| * Suspended solids | 100.0 | 90.0 | 57.0 | 73.0 | 74.0 | 199.0 |
| * Total diss. Solids | 1540.0 | 1520.0 | 663.0 | 1025.0 | 778.0 | 967.0 |
| Conductivity (uS) | 69.3 | 75.24 | 45.54 | 91.08 | 75.24 | 120.78 |
| * NH3-N | 1.95 | 6.9 | — | 0.132 | 0.084 | 0.1456 |
| * N03-N | 6.19 | 0.806 | 0.9 | 0.40 | 0.83 | 0.08 |
| * Sulphate | 847.0 | 243.0 | 297.0 | 162.0 | 0.134 | 0.0731 |
| * Chlorides | 58.4 | 5.9 | 5,7 | 48.0 | 4.2 | 2.12 |
| * Hardness | 104.0 | 100.0 | 41.0 | 99.0 | 111.0 | 46.0 |
| * Sodium | 11 | 1.6 | 71.0 | 21.0 | 19.5 | 23.0 |
| * Pottassium | 30.0 | 11.0 | 4.5 | 3.5 | 3.0 | 2.0 |
| * Calcium | 75.0 | — | 26.5 | 5.0 | 5.0 | 4.2 |
| * Alkalinity | 116.0 | 109.0 | 90.0 | 47.0 | 77.0 | 117.0 |
| * Bichemical Oxygen Demand | 77.5 | 60.0 | — | 36.0 | 76.0 | — |
| MPN | >2400 | >2400 | >2400 | 1600.0 | >2400 | >2400 |
* Mg/1 2) S. D. T. :- Sechi Disc Transparency (cm), (—) :- Not done
Table 5 : Physico-Chemical Charactaristics of the water at Jackwell.
| Parameters | July | Aug. | Sept. | Oct. | Nov. | Dec. |
| Water temp. (°C) | 24.0 | 24.0 | 23.5 | 28.0 | 23.5 | 23.5 |
| * Dissolved oxygen | 0.85 | 7.6 | 8.6 | 3.4 | 1.0 | 7.8 |
| PH | 6.9 | 7.7 | 7.6 | 7.4 | 7.8 | 8.0 |
| S. D. T. | — | 42.0 | 21.3 | 52.0 | 80.0 | — |
| Turbidity (NTU) | 10.5 | 12.5 | 79.0 | 20.0 | 14.5 | 48.0 |
| * Total solids | 4200.0 | 1480.0 | 1125.0 | 720.0 | 1026.0 | 1308.0 |
| * Suspended solids | 320.0 | 72.0 | 461.0 | 200.0 | 210.0 | 306.0 |
| * Total diss. Solids | 3880.0 | 1408.0 | 664.0 | 520.0 | 816.0 | 1002.0 |
| Conductivity (uS) | 9385.0 | 273.4 | 42.57 | 91.08 | 116.8 | 196.02 |
| * NH3-N | 2.51 | 3.4 | — | 0.2960 | 0.002 | 0.065 |
| * N03-N | 6.037 | 1.04 | 0.965 | 0.37 | 0.56 | — |
| * Sulphate | — | 161.0 | 248.0 | 158.0 | 0.134 | 0.1389 |
| * Chlorides | — | 5.3 | 6.4 | 91.0 | 8.1 | 6.735 |
| * Hardness | — | 108.0 | 40.0 | 120.0 | 150.0 | 67.0 |
| * Sodium | 7.3 | 2.8 | 67.0 | 26.8 | 24.0 | 18.5 |
| * Pottassium | 52.0 | — | 20.9 | 10.0 | 9.0 | 10.0 |
| * Calcium | — | 9.4 | 8.3 | 13.1. | 8.8 | 7.0 |
| * Alkalinity | — | 100.0 | 140.0 | 94.0 | 41.0 | 118.0 |
| * BichemicalOxygen Demand | — | 71.0 | — | 63.0 | 84.0 | 86.0 |
| MPN | >2400 | >2400 | 240.0 | 240.0 | 350.0 | — |
* Mg/1 2) S. D. T. :- Sechi Disc Transparency (cm), (—) :- Not done