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: 25/10/2019 | Sample Time: 14:25 | |
| Human Activities: None | Weather: Clear and Sunny | Water Body: Well |
| Frequency Of Monitoring: Halfyearly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Clear | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 0.50 | mg/l |
| Conductivity | 161.0 | µs/cm |
| Turbidity | 4.37 | NTU |
| Ammonia-N | 0.23 | mg/l |
| Potassium | 3.30 | mg/l |
| Sodium | 6.40 | mg/l |
| Sulphate | 12.06 | mg/l |
| Fecal Coliform | NIL | MPN/100ml |
| Nitrate-N | 0.30 | mg/l |
| pH | 7.20 | Unit |
| Temperature | 21 | ⁰C |
| Total Coliform | NIL | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 12.02 | mg/l |
| Chloride | 10.76 | mg/l |
| Total Alkalinity | 58.00 | mg/l |
| Total Dissolved Solids(TDS) | 128.00 | mg/l |
| Total Fixed Solids(TFS) | 120.00 | mg/l |
| Total Hardness as CaCo3 | 60.00 | mg/l |
| Total Suspended Solids(TSS) | 8.00 | mg/l |
| COD | 6.00 | mg/l |
| Fluoride | 0.17 | mg/l |
| Magnesium | 8.64 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.009 | mg/l |