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: 07/10/2020 | Sample Time: 14:50 | |
| Human Activities: None | Weather: Sunny and 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 |
| Fluoride | BDL | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.013 | mg/l |
| Potassium | 1.80 | mg/l |
| Sodium | 6.80 | mg/l |
| Sulphate | 5.26 | mg/l |
| Total Alkalinity | 38.00 | mg/l |
| Total Dissolved Solids(TDS) | 14.00 | mg/l |
| Total Fixed Solids(TFS) | 28.00 | mg/l |
| Total Suspended Solids(TSS) | 8.00 | mg/l |
| Turbidity | 3.58 | NTU |
| Nitrate-N | 1.16 | mg/l |
| Ammonia-N | 0.13 | mg/l |
| Dissolved O2(DO) | 7.20 | mg/l |
| Conductivity | 14.02 | µs/cm |
| Total Coliform | 110 | MPN/100ml |
| pH | 7.84 | Unit |
| Calcium | 6.41 | mg/l |
| Fecal Coliform | 80 | MPN/100ml |
| Boron | 0.53 | mg/l |
| Chloride | 2.94 | mg/l |
| COD | 12.00 | mg/l |
| Total Hardness as CaCo3 | 30.00 | mg/l |
| Temperature(Water) | 13 | ⁰C |
| Magnesium | 4.03 | mg/l |
| BOD | 1.20 | mg/l |