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: 25/01/2022 | Sample Time: 12:45 | |
| Human Activities: Bathing and 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 Green and moderately turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.19 | mg/l |
| BOD | 1.80 | mg/l |
| Conductivity | 110.90 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Coliform | 9000 | MPN/100ml |
| Fecal Streptococci | 26 | MPN/100ml |
| Nitrate-N | 0.04 | mg/l |
| pH | 7.44 | Unit |
| Temperature(Water) | 17 | ⁰C |
| Total Coliform | 14000 | MPN/100ml |
| Boron | 1.77 | mg/l |
| Calcium | 17.63 | mg/l |
| Chloride | 3.91 | mg/l |
| COD | 34.00 | mg/l |
| Fluoride | 0.11 | mg/l |
| Magnesium | 13.82 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.002 | mg/l |
| Potassium | 0.70 | mg/l |
| Sodium | 1.80 | mg/l |
| Sulphate | 4.47 | mg/l |
| Total Alkalinity | 68.00 | mg/l |
| Total Dissolved Solids(TDS) | 66.00 | mg/l |
| Total Fixed Solids(TFS) | 32.00 | mg/l |
| Total Hardness as CaCo3 | 92.00 | mg/l |
| Total Suspended Solids(TSS) | 9.00 | mg/l |
| Turbidity | 4.37 | NTU |