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: 30/08/2019 | Sample Time: 12:30 | |
| Human Activities: Construction of park,Horse riding and fish feeding. | Weather: Sunny and Clear | Water Body: Mirikh lake |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green and muddy | Odour: Nauseating | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| pH | 6.80 | Unit |
| Temperature | 24 | ⁰C |
| Total Dissolved Solids(TDS) | 128.00 | mg/l |
| Total Fixed Solids(TFS) | 36.00 | mg/l |
| Total Hardness as CaCo3 | 30.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 98.00 | mg/l |
| Magnesium | 1.73 | mg/l |
| Total Coliform | 17000 | MPN/100ml |
| Boron | 0.017 | mg/l |
| Calcium | 8.82 | mg/l |
| Ammonia-N | 0.19 | mg/l |
| BOD | 1.80 | mg/l |
| Conductivity | 88.74 | µs/cm |
| Dissolved O2(DO) | 6.50 | mg/l |
| Fluoride | 0.15 | mg/l |
| Turbidity | 14.30 | NTU |
| Nitrate-N | 1.03 | mg/l |
| Phosphate-P | 0.009 | mg/l |
| Sodium | 2.30 | mg/l |
| Potassium | 1.80 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Sulphate | 5.98 | mg/l |
| Chloride | 12.54 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Total Alkalinity | 68.00 | mg/l |
| COD | 36.23 | mg/l |