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: 18/12/2019 | Sample Time: 15:40 Hrs | |
| Human Activities: Bathing,washing and 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 Brown and Muddy. | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 1.80 | mg/l |
| Nitrate-N | 0.49 | mg/l |
| pH | 7.40 | Unit |
| Temperature | 21 | ⁰C |
| Boron | 0.018 | mg/l |
| Calcium | 16.84 | mg/l |
| Chloride | 7.83 | mg/l |
| COD | 47.00 | mg/l |
| Fluoride | 0.12 | mg/l |
| Magnesium | 6.91 | mg/l |
| Phosphate-P | 0.026 | mg/l |
| Potassium | 1.40 | mg/l |
| Sodium | 1.60 | mg/l |
| Total Alkalinity | 84.00 | mg/l |
| Total Dissolved Solids(TDS) | 64.00 | mg/l |
| Total Fixed Solids(TFS) | 100.00 | mg/l |
| Total Hardness as CaCo3 | 66.00 | mg/l |
| Total Suspended Solids(TSS) | 24.00 | mg/l |
| Turbidity | 6.93 | NTU |
| Ammonia-N | 0.14 | mg/l |
| Conductivity | 96.40 | µs/cm |
| Sulphate | 27.92 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Dissolved O2(DO) | 7.60 | mg/l |
| Total Coliform | 13000 | MPN/100ml |
| Phenolpthalein Alkanity | NIL | mg/l |