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: 29/10/2021 | Sample Time: 16:05 | |
| Human Activities: None | Weather: Sunny | 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 | BDL | mg/l |
| BOD | 0.50 | mg/l |
| Conductivity | 123.80 | µs/cm |
| Fecal Coliform | NIL | MPN/100ml |
| Nitrate-N | 0.01 | mg/l |
| pH | 7.36 | Unit |
| Temperature(Water) | 18 | ⁰C |
| Total Coliform | NIL | MPN/100ml |
| Boron | 0.04 | mg/l |
| Calcium | 24.85 | mg/l |
| Chloride | 35.22 | mg/l |
| COD | 6.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 9.22 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.001 | mg/l |
| Potassium | 3.80 | mg/l |
| Sodium | 1.90 | mg/l |
| Sulphate | 5.03 | mg/l |
| Total Alkalinity | 26.00 | mg/l |
| Total Dissolved Solids(TDS) | 54.00 | mg/l |
| Total Fixed Solids(TFS) | 16.00 | mg/l |
| Total Hardness as CaCo3 | 94.00 | mg/l |
| Total Suspended Solids(TSS) | 8.00 | mg/l |
| Turbidity | 5.92 | NTU |
| Arsenic | mg/l | |
| Cadmium | mg/l | |
| Chromium Total | mg/l | |
| Copper | mg/l | |
| Iron | mg/l | |
| Lead | mg/l | |
| Mercury | mg/l | |
| Nickel | mg/l | |
| Zinc | mg/l | |
| a-BHC | ppb | |
| a-Endosulphan | ppb | |
| Aldrin | ppb | |
| Anilophos | ppb | |
| b-Endosulphan | ppb | |
| Chlorpyriphos | ppb | |
| Dieldrin | ppb | |
| g-BHC | ppb | |
| Malathion | ppb | |
| Methyl Parathion | ppb | |
| o,p-DDT | ppb | |
| p,p-DDT | ppb | |