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: 21/01/2020 | Sample Time: 15:25 Hrs | |
| Human Activities: None | Weather: Clear and Sunny | 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 |
| Phenolpthalein Alkanity | NIL | mg/l |
| BOD | 1.40 | mg/l |
| Temperature | 19 | ⁰C |
| Conductivity | 88.47 | µs/cm |
| pH | 7.40 | Unit |
| Fluoride | 0.15 | mg/l |
| Dissolved O2(DO) | 7.30 | mg/l |
| Total Suspended Solids(TSS) | 42.00 | mg/l |
| Total Dissolved Solids(TDS) | 88.00 | mg/l |
| Total Fixed Solids(TFS) | 28.00 | mg/l |
| Nitrate-N | 1.31 | mg/l |
| Total Coliform | 11000 | MPN/100ml |
| Phosphate-P | 0.018 | mg/l |
| Sulphate | 20.67 | mg/l |
| Total Hardness as CaCo3 | 88.0 | mg/l |
| Turbidity | 3.03 | NTU |
| Magnesium | 6.91 | mg/l |
| Potassium | 0.80 | mg/l |
| Sodium | 1.90 | mg/l |
| Total Alkalinity | 76.0 | mg/l |
| Boron | 3.89 | mg/l |
| Chloride | 17.61 | mg/l |
| COD | 25.00 | mg/l |
| Ammonia-N | 0.30 | mg/l |
| Fecal Coliform | 2700 | MPN/100ml |
| Calcium | 25.65 | mg/l |