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: 11/12/2020 | Sample Time: 16:30 | |
| Human Activities: Fishing | Weather: Sunny and Clear. | Water Body: null |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Green | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Conductivity | 78.18 | µs/cm |
| Ammonia-N | 0.17 | mg/l |
| BOD | 1.60 | mg/l |
| Fecal Coliform | 2100 | MPN/100ml |
| Fecal Streptococci | 17 | MPN/100ml |
| Nitrate-N | 0.018 | mg/l |
| Temperature(Water) | 21 | ⁰C |
| Total Coliform | 17000 | MPN/100ml |
| Boron | 2.22 | mg/l |
| Calcium | 16.03 | mg/l |
| Chloride | 0.98 | mg/l |
| Fluoride | 0.17 | mg/l |
| Magnesium | 9.80 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.036 | mg/l |
| Potassium | 0.90 | mg/l |
| Dissolved O2(DO) | 7.20 | mg/l |
| Sodium | 1.70 | mg/l |
| Sulphate | 7.71 | mg/l |
| Total Dissolved Solids(TDS) | 88.00 | mg/l |
| Total Fixed Solids(TFS) | 178.00 | mg/l |
| Total Hardness as CaCo3 | 74.00 | mg/l |
| Total Suspended Solids(TSS) | 82.00 | mg/l |
| pH | 7.40 | Unit |
| COD | 46.00 | mg/l |
| Total Alkalinity | 78.00 | mg/l |
| Turbidity | 4.00 | NTU |