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: 17/12/2021 | Sample Time: 13:00 Hrs | |
| Human Activities: Bathing,Washing . | 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 | 0.17 | mg/l |
| BOD | 1.40 | mg/l |
| Conductivity | 100.50 | µs/cm |
| Dissolved O2(DO) | 7.60 | mg/l |
| Fecal Coliform | 800 | MPN/100ml |
| Fecal Streptococci | 25 | MPN/100ml |
| Nitrate-N | 0.11 | mg/l |
| pH | 7.81 | Unit |
| Temperature(Water) | 22 | ⁰C |
| Total Coliform | 1700 | MPN/100ml |
| Boron | 2.19 | mg/l |
| Calcium | 19.23 | mg/l |
| Chloride | 16.63 | mg/l |
| COD | 38.0 | mg/l |
| Fluoride | 0.11 | mg/l |
| Magnesium | 2.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | NIL | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 0.3 | mg/l |
| Sulphate | 2.97 | mg/l |
| Total Alkalinity | 68.0 | mg/l |
| Total Dissolved Solids(TDS) | 70.00 | mg/l |
| Total Fixed Solids(TFS) | 34.00 | mg/l |
| Total Hardness as CaCo3 | 72.00 | mg/l |
| Total Suspended Solids(TSS) | 19.0 | mg/l |
| Turbidity | 6.15 | NTU |