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: 27/11/2019 | Sample Time: 15:10 Hrs | |
| Human Activities: Bathing & Washing,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: Moderately Brown & Slightly turbid. | Odour: Fishy | Visible effluent discharge: Moderate. |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Dissolved O2(DO) | 6.80 | mg/l |
| Nitrate-N | 0.68 | mg/l |
| pH | 7.88 | Unit |
| Temperature | 26 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| Boron | 0.013 | mg/l |
| Calcium | 18.44 | mg/l |
| Chloride | 3.91 | mg/l |
| COD | 44.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 10.94 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.021 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | BDL | mg/l |
| Sulphate | 21.54 | mg/l |
| Total Alkalinity | 80.00 | mg/l |
| Total Dissolved Solids(TDS) | 58.00 | mg/l |
| Total Fixed Solids(TFS) | 64.00 | mg/l |
| Total Hardness as CaCo3 | 84.00 | mg/l |
| Total Suspended Solids(TSS) | 30.00 | mg/l |
| Turbidity | 2.25 | NTU |
| Ammonia-N | BDL | mg/l |
| BOD | 2.10 | mg/l |
| Conductivity | 89.48 | µs/cm |
| Fecal Coliform | 2300 | MPN/100ml |