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: 21/06/2019 | Sample Time: 14:45 | |
| 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: Clear and Light Green | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Alkalinity | 26.00 | mg/l |
| Total Dissolved Solids(TDS) | 82.00 | mg/l |
| Total Fixed Solids(TFS) | 7.00 | mg/l |
| Total Hardness as CaCo3 | 28.00 | mg/l |
| Chloride | 8.81 | mg/l |
| COD | 11.30 | mg/l |
| pH | 7.70 | Unit |
| Temperature | 16 | ⁰C |
| Total Coliform | 170 | MPN/100ml |
| Boron | 0.003 | mg/l |
| Calcium | 8.82 | mg/l |
| Fluoride | 0.14 | mg/l |
| Total Suspended Solids(TSS) | 16.00 | mg/l |
| Ammonia-N | 0.22 | mg/l |
| Dissolved O2(DO) | 7.20 | mg/l |
| Nitrate-N | 0.26 | mg/l |
| Magnesium | 1.73 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.033 | mg/l |
| Potassium | 1.80 | mg/l |
| Sodium | 8.80 | mg/l |
| Sulphate | 4.89 | mg/l |
| Conductivity | 48.01 | µs/cm |
| BOD | 1.40 | mg/l |
| Fecal Coliform | 70 | MPN/100ml |
| Turbidity | 0.78 | NTU |