West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: River Mechi at Nehaljote | River Basin: Mahananda | CPCB Station Code: 4727 |
Sample Date: 09/01/2020 | Sample Time: 13:20 | |
Human Activities: Construction of Bridge. | Weather: Sunny and Clear | Water Body: Mechi |
Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Green and Clear. | Odour: Odour free | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Total Hardness as CaCo3 | 32.0 | mg/l |
Total Suspended Solids(TSS) | 28.00 | mg/l |
Total Alkalinity | 36.0 | mg/l |
Fluoride | 0.18 | mg/l |
Boron | 4.49 | mg/l |
Conductivity | 46.24 | µs/cm |
Potassium | 2.1 | mg/l |
Temperature | 13 | ⁰C |
Total Coliform | 7000 | MPN/100ml |
Chloride | 14.68 | mg/l |
COD | 39.00 | mg/l |
Sulphate | 7.50 | mg/l |
Magnesium | 4.03 | mg/l |
Sodium | 1.9 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Calcium | 7.21 | mg/l |
Fecal Coliform | 2200 | MPN/100ml |
Nitrate-N | 2.81 | mg/l |
Phosphate-P | 0.025 | mg/l |
Total Dissolved Solids(TDS) | 42.00 | mg/l |
Total Fixed Solids(TFS) | 28.00 | mg/l |
Turbidity | 2.22 | NTU |
pH | 6.50 | Unit |
Ammonia-N | 0.19 | mg/l |
BOD | 1.20 | mg/l |
Dissolved O2(DO) | 7.40 | mg/l |