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: 28/07/2021 | Sample Time: 15:10 | |
| Human Activities: Bathing and Washing . | Weather: Sunny and humid | Water Body: null |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Brown and moderately turbid | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 1.40 | mg/l |
| Conductivity | 59.42 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 2200 | MPN/100ml |
| Fecal Streptococci | 25 | MPN/100ml |
| Nitrate-N | 0.09 | mg/l |
| pH | 7.02 | Unit |
| Temperature(Water) | 29 | ⁰C |
| Total Coliform | 5000 | MPN/100ml |
| Boron | 0.99 | mg/l |
| Calcium | 16.84 | mg/l |
| Chloride | 18.59 | mg/l |
| COD | 23.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 8.64 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.006 | mg/l |
| Potassium | 0.80 | mg/l |
| Sodium | 1.40 | mg/l |
| Sulphate | 16.45 | mg/l |
| Total Alkalinity | 58.00 | mg/l |
| Total Dissolved Solids(TDS) | 30.00 | mg/l |
| Total Fixed Solids(TFS) | 186.00 | mg/l |
| Total Hardness as CaCo3 | 72.00 | mg/l |
| Total Suspended Solids(TSS) | 22.00 | mg/l |
| Turbidity | 24.70 | NTU |
| Ammonia-N | 0.21 | mg/l |