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: 25/06/2020 | Sample Time: 14:45 | |
| Human Activities: None | Weather: Rainy. | Water Body: Delo lake |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Green | Odour: Odour Free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Temperature(Water) | 21 | ⁰C |
| Total Coliform | 220 | MPN/100ml |
| Boron | 0.04 | mg/l |
| Calcium | 4.00 | mg/l |
| Chloride | 7.83 | mg/l |
| COD | 12.00 | mg/l |
| Fluoride | mg/l | |
| Magnesium | 2.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.152 | mg/l |
| Potassium | 1.60 | mg/l |
| Sodium | 7.20 | mg/l |
| Sulphate | 3.38 | mg/l |
| Total Alkalinity | 32.00 | mg/l |
| Total Dissolved Solids(TDS) | 42.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 18.00 | mg/l |
| Total Suspended Solids(TSS) | 18.00 | mg/l |
| Turbidity | NTU | |
| Ammonia-N | mg/l | |
| BOD | 0.60 | mg/l |
| Conductivity | 23.80 | µs/cm |
| Dissolved O2(DO) | 7.40 | mg/l |
| Fecal Coliform | 90 | MPN/100ml |
| Nitrate-N | mg/l | |
| pH | 7.20 | Unit |