West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: Ground water at Matigara Bazaar | River Basin: GANGA | CPCB Station Code: 4721 |
| Sample Date: 20/04/2021 | Sample Time: 14:50 | |
| Human Activities: None | Weather: Sunny and Clear. | 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 | 0.60 | mg/l |
| BOD | 0.50 | mg/l |
| Conductivity | 78.10 | µs/cm |
| Fecal Coliform | NIL | MPN/100ml |
| Nitrate-N | 0.41 | mg/l |
| pH | 7.60 | Unit |
| Temperature(Water) | 28 | ⁰C |
| Total Coliform | NIL | MPN/100ml |
| Boron | 0.25 | mg/l |
| Calcium | 8.01 | mg/l |
| Chloride | 9.78 | mg/l |
| COD | 4.00 | mg/l |
| Fluoride | 0.16 | mg/l |
| Magnesium | 4.03 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | BDL | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 4.20 | mg/l |
| Sulphate | 18.53 | mg/l |
| Total Alkalinity | 42.00 | mg/l |
| Total Dissolved Solids(TDS) | 36.00 | mg/l |
| Total Fixed Solids(TFS) | 10.00 | mg/l |
| Total Hardness as CaCo3 | 34.00 | mg/l |
| Total Suspended Solids(TSS) | 8.00 | mg/l |
| Turbidity | 4.43 | NTU |
| Arsenic | BDL | mg/l |
| Cadmium | BDL | mg/l |
| Chromium Total | BDL | mg/l |
| Copper | BDL | mg/l |
| Iron | 0.91 | mg/l |
| Lead | BDL | mg/l |
| Mercury | BDL | mg/l |
| Nickel | BDL | mg/l |
| Zinc | 0.09 | 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 | |