West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: SINCHAL LAKE FOR DARJEELING | River Basin: Tista | CPCB Station Code: 2522 |
| Sample Date: 22/04/2022 | Sample Time: 12:15 | |
| Human Activities: None | Weather: Cloudy | Water Body: Sinchal lake |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 2.00 m |
| Color & Intensity: Clear Light Green | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Temperature(Water) | 10 | ⁰C |
| Total Alkalinity | 20.00 | mg/l |
| Nickel | BDL | mg/l |
| p,p-DDT | BDL | ppb |
| Ammonia-N | 0.13 | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 50.79 | µs/cm |
| Dissolved O2(DO) | 7.80 | mg/l |
| Fecal Coliform | 40 | MPN/100ml |
| Nitrate-N | 0.28 | mg/l |
| Total Coliform | 70 | MPN/100ml |
| Boron | 4.83 | mg/l |
| Calcium | 5.61 | mg/l |
| Chloride | 4.89 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 1.72 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.001 | mg/l |
| Potassium | 1.90 | mg/l |
| Sodium | 6.00 | mg/l |
| Sulphate | 6.17 | mg/l |
| Total Dissolved Solids(TDS) | 30.00 | mg/l |
| Total Fixed Solids(TFS) | 60.00 | mg/l |
| Total Hardness as CaCo3 | 20.00 | mg/l |
| Total Suspended Solids(TSS) | 12.00 | mg/l |
| Turbidity | 1.17 | NTU |
| Arsenic | BDL | mg/l |
| Cadmium | BDL | mg/l |
| Chromium Total | BDL | mg/l |
| Copper | BDL | mg/l |
| Iron | 0.18 | mg/l |
| Lead | BDL | mg/l |
| Mercury | BDL | mg/l |
| Zinc | BDL | mg/l |
| a-BHC | BDL | ppb |
| a-Endosulphan | BDL | ppb |
| Aldrin | BDL | ppb |
| Anilophos | BDL | ppb |
| Chlorpyriphos | BDL | ppb |
| Dieldrin | BDL | ppb |
| g-BHC | BDL | ppb |
| Malathion | BDL | ppb |
| Methyl Parathion | BDL | ppb |
| pH | 6.91 | Unit |
| COD | 8.00 | mg/l |
| b-Endosulphan | BDL | ppb |
| o,p-DDT | BDL | ppb |