West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: WATER RESERVIOR AT DELO | River Basin: Tista | CPCB Station Code: 2521 |
| Sample Date: 27/11/2020 | Sample Time: 15:45 | |
| Human Activities: None | Weather: Clear. | Water Body: Delo lake |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Green and clear | Odour: None | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Potassium | 0.60 | mg/l |
| Sodium | BDL | mg/l |
| Sulphate | 5.36 | mg/l |
| Total Alkalinity | 32.00 | mg/l |
| Total Dissolved Solids(TDS) | 14.00 | mg/l |
| Total Fixed Solids(TFS) | 18.00 | mg/l |
| Total Hardness as CaCo3 | 18.00 | mg/l |
| Total Suspended Solids(TSS) | 10.00 | mg/l |
| Turbidity | 5.46 | NTU |
| Fecal Coliform | 80 | MPN/100ml |
| Nitrate-N | 0.009 | mg/l |
| pH | 7.10 | Unit |
| Ammonia-N | 0.12 | mg/l |
| Conductivity | 12.71 | µs/cm |
| Temperature(Water) | 11 | ⁰C |
| Total Coliform | 130 | MPN/100ml |
| Boron | 0.39 | mg/l |
| Calcium | 3.21 | mg/l |
| COD | 10.00 | mg/l |
| Dissolved O2(DO) | 7.0 | mg/l |
| Fluoride | BDL | mg/l |
| Phosphate-P | 0.001 | mg/l |
| Chloride | 7.83 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Magnesium | 1.15 | mg/l |
| BOD | 0.90 | mg/l |