West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: Ground Water Mirik dugwell | River Basin: GANGA | CPCB Station Code: 4726 |
| Sample Date: 22/04/2022 | Sample Time: 15:45 | |
| Human Activities: None | Weather: Cloudy,Foggy and Rainy. | Water Body: Well |
| Frequency Of Monitoring: Halfyearly | Use Based Class: A | Approximate Depth(Bottom/Table): 2.00 m |
| Color & Intensity: Clear | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 0.65 | mg/l |
| Total Alkalinity | 10.00 | mg/l |
| Total Dissolved Solids(TDS) | 64.00 | mg/l |
| Total Fixed Solids(TFS) | 72.00 | mg/l |
| Total Hardness as CaCo3 | 22.00 | mg/l |
| Copper | BDL | mg/l |
| Malathion | BDL | ppb |
| Total Coliform | NIL | MPN/100ml |
| Boron | 6.22 | mg/l |
| Calcium | 3.47 | mg/l |
| Chloride | 12.71 | mg/l |
| COD | 2.0 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 3.20 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Nitrate-N | 4.82 | mg/l |
| Methyl Parathion | BDL | ppb |
| g-BHC | BDL | ppb |
| Sodium | 13.50 | mg/l |
| Sulphate | 8.01 | mg/l |
| Total Suspended Solids(TSS) | 10.00 | mg/l |
| Turbidity | 0.87 | NTU |
| Arsenic | BDL | mg/l |
| Cadmium | BDL | mg/l |
| Chromium Total | BDL | mg/l |
| o,p-DDT | BDL | ppb |
| p,p-DDT | BDL | ppb |
| Phosphate-P | BDL | mg/l |
| Potassium | 3.80 | mg/l |
| Iron | BDL | mg/l |
| Lead | BDL | mg/l |
| Mercury | BDL | mg/l |
| Nickel | BDL | mg/l |
| Zinc | BDL | mg/l |
| a-BHC | BDL | ppb |
| a-Endosulphan | BDL | ppb |
| Aldrin | BDL | ppb |
| Anilophos | BDL | ppb |
| b-Endosulphan | BDL | ppb |
| Chlorpyriphos | BDL | ppb |
| Dieldrin | BDL | ppb |
| Conductivity | 98.00 | µs/cm |
| Fecal Coliform | NIL | MPN/100ml |
| pH | 6.89 | Unit |
| Temperature(Water) | 15 | ⁰C |