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: 27/05/2020 | Sample Time: 15:00 Hrs | |
| Human Activities: None | Weather: Sunny | Water Body: Mirikh lake |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green and Very Turbid | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Sodium | 4.20 | mg/l |
| Sulphate | 16.73 | mg/l |
| Total Alkalinity | 52.00 | mg/l |
| Total Dissolved Solids(TDS) | 91.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 52.00 | mg/l |
| Total Suspended Solids(TSS) | 42.00. | mg/l |
| Calcium | 12.82 | mg/l |
| Chloride | 17.61 | mg/l |
| COD | 36.00 | mg/l |
| Turbidity | NTU | |
| Fluoride | mg/l | |
| Magnesium | 5.76 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| BOD | 2.80 | mg/l |
| Conductivity | 69.50 | µs/cm |
| Dissolved O2(DO) | 6.80 | mg/l |
| Fecal Coliform | 900 | MPN/100ml |
| Nitrate-N | mg/l | |
| pH | 7.60 | Unit |
| Temperature(Water) | 17 | ⁰C |
| Total Coliform | 3300 | MPN/100ml |
| Boron | 1.78 | mg/l |
| Phosphate-P | 0.038 | mg/l |
| Potassium | 2.10 | mg/l |
| Ammonia-N | mg/l | |