West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: MIRIKH LAKE | River Basin: Tista | CPCB Station Code: 2520 |
| Sample Date: 22/06/2020 | Sample Time: 15:00 | |
| Human Activities: None | Weather: Clear. | Water Body: Mirikh lake |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Calcium | 11.22 | mg/l |
| Chloride | 30.33 | mg/l |
| COD | 39.00 | mg/l |
| Fluoride | mg/l | |
| Magnesium | 8.06 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.677 | mg/l |
| Potassium | 2.80 | mg/l |
| Sodium | 4.60 | mg/l |
| Sulphate | 10.15 | mg/l |
| Total Alkalinity | 68.00 | mg/l |
| Total Dissolved Solids(TDS) | 110.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 56.00 | mg/l |
| Ammonia-N | mg/l | |
| BOD | 2.40 | mg/l |
| Conductivity | 89.40 | µs/cm |
| Dissolved O2(DO) | 6.90 | mg/l |
| Fecal Coliform | 2600 | MPN/100ml |
| Total Suspended Solids(TSS) | 88.00 | mg/l |
| Turbidity | NTU | |
| Nitrate-N | mg/l | |
| pH | 6.90 | Unit |
| Temperature(Water) | 14 | ⁰C |
| Total Coliform | 9000 | MPN/100ml |
| Boron | 0.22 | mg/l |