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: 07/05/2019 | Sample Time: 15:40 Hrs | |
| Human Activities: Washing. | Weather: Calm and sunny | Water Body: null |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green. | Odour: Odour free | Visible effluent discharge: None. |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 2.30 | mg/l |
| Conductivity | 144.70 | µs/cm |
| Dissolved O2(DO) | 6.70 | mg/l |
| Fecal Coliform | 3400 | MPN/100ml |
| Nitrate-N | 0.26 | mg/l |
| Ammonia-N | 0.17 | mg/l |
| Calcium | 22.44 | mg/l |
| Chloride | 13.69 | mg/l |
| COD | 32.00 | mg/l |
| Fluoride | 0.11 | mg/l |
| Magnesium | 12.67 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.018 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 2.90 | mg/l |
| Sulphate | 6.94 | mg/l |
| Temperature | 27 | ⁰C |
| Total Coliform | 13000 | MPN/100ml |
| Boron | 0.008 | mg/l |
| Total Alkalinity | 90.00 | mg/l |
| Total Dissolved Solids(TDS) | 86.00 | mg/l |
| Total Fixed Solids(TFS) | 94.0 | mg/l |
| Total Hardness as CaCo3 | 72.00 | mg/l |
| Total Suspended Solids(TSS) | 52.00 | mg/l |
| Turbidity | 14.10 | NTU |
| pH | 6.98 | Unit |