West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: KALJANI D/S OF ALIPURDWAR, MUNICIPALITY DISCHARGE POINT | River Basin: Raidak_Torsa | CPCB Station Code: 2524 |
| Sample Date: 19/03/2019 | Sample Time: 13:30 Hrs | |
| Human Activities: Washing Clothes and Fishing. | Weather: Clear | Water Body: null |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Green and turbid | Odour: Fishy | Visible effluent discharge: moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.24 | mg/l |
| BOD | 2.60 | mg/l |
| Conductivity | 143.21 | µs/cm |
| Dissolved O2(DO) | 6.80 | mg/l |
| Fecal Coliform | 8000 | MPN/100ml |
| Nitrate-N | 0.29 | mg/l |
| pH | 8.12 | Unit |
| Total Coliform | 28000 | MPN/100ml |
| Boron | 0.005 | mg/l |
| Calcium | 19.20 | mg/l |
| Chloride | 8.81 | mg/l |
| COD | 43.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 4.61 | mg/l |
| Phenolpthalein Alkanity | Nil | mg/l |
| Potassium | 1.30 | mg/l |
| Sodium | 3.40 | mg/l |
| Temperature | 29 | ⁰C |
| Phosphate-P | 0.008 | mg/l |
| Sulphate | 4.27 | mg/l |
| Total Alkalinity | 40.00 | mg/l |
| Total Dissolved Solids(TDS) | 98.00 | mg/l |
| Total Fixed Solids(TFS) | 94.0 | mg/l |
| Total Hardness as CaCo3 | 64.00 | mg/l |
| Total Suspended Solids(TSS) | 58.00 | mg/l |
| Turbidity | 9.98 | NTU |