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: 22/04/2021 | Sample Time: 16:10 | |
| Human Activities: Washing dishes | Weather: Cloudy and Rainy. | Water Body: Well |
| Frequency Of Monitoring: Halfyearly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Clear | Odour: None | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.71 | mg/l |
| BOD | 0.60 | mg/l |
| Fecal Coliform | NIL | MPN/100ml |
| Nitrate-N | 0.19 | mg/l |
| pH | 7.40 | Unit |
| Temperature(Water) | 12 | ⁰C |
| Total Coliform | NIL | MPN/100ml |
| Boron | 0.30 | mg/l |
| Calcium | 9.61 | mg/l |
| Chloride | 10.88 | mg/l |
| COD | 8.00 | mg/l |
| Magnesium | 5.76 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.001 | mg/l |
| Potassium | 4.60 | mg/l |
| Sodium | 2.20 | mg/l |
| Sulphate | 5.05 | mg/l |
| Total Alkalinity | 74.00 | mg/l |
| Total Fixed Solids(TFS) | 12.00 | mg/l |
| Total Hardness as CaCo3 | 44.00 | mg/l |
| Total Suspended Solids(TSS) | 8.00 | mg/l |
| Turbidity | 16.00 | NTU |
| Cadmium | BDL | mg/l |
| Chromium Total | BDL | mg/l |
| Copper | BDL | mg/l |
| Iron | 0.20 | mg/l |
| Lead | BDL | mg/l |
| Mercury | BDL | mg/l |
| Nickel | BDL | mg/l |
| Zinc | BDL | mg/l |
| a-BHC | ppb | |
| a-Endosulphan | ppb | |
| Aldrin | ppb | |
| Anilophos | ppb | |
| Chlorpyriphos | ppb | |
| Fluoride | BDL | mg/l |
| Arsenic | BDL | mg/l |
| b-Endosulphan | ppb | |
| Dieldrin | ppb | |
| g-BHC | ppb | |
| Malathion | ppb | |
| Methyl Parathion | ppb | |
| o,p-DDT | ppb | |
| p,p-DDT | ppb | |
| Conductivity | 141.00 | µs/cm |
| Total Dissolved Solids(TDS) | 68.00 | mg/l |