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: 20/07/2021 | Sample Time: 12:20Hrs | |
Human Activities: Washing | Weather: Sunny | Water Body: Mechi |
Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Brown & moderately Turbid | Odour: Fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Fecal Coliform | 3400 | MPN/100ml |
Phosphate-P | 0.005 | mg/l |
Ammonia-N | 0.17 | mg/l |
Total Hardness as CaCo3 | 22.0 | mg/l |
Total Suspended Solids(TSS) | 12.00 | mg/l |
Turbidity | 32.50 | NTU |
BOD | 1.20 | mg/l |
Conductivity | 62.15 | µs/cm |
Dissolved O2(DO) | 6.80 | mg/l |
Fecal Streptococci | 17 | MPN/100ml |
Nitrate-N | 0.19 | mg/l |
pH | 7.40 | Unit |
Temperature(Water) | 27 | ⁰C |
Total Coliform | 13000 | MPN/100ml |
Boron | 1.58 | mg/l |
Calcium | 6.41 | mg/l |
Chloride | 9.78 | mg/l |
COD | 25.00 | mg/l |
Fluoride | 0.14 | mg/l |
Magnesium | 1.152 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Potassium | 0.8 | mg/l |
Sodium | 1.6 | mg/l |
Sulphate | 12.58 | mg/l |
Total Alkalinity | 64.00 | mg/l |
Total Dissolved Solids(TDS) | 32.00 | mg/l |
Total Fixed Solids(TFS) | 152.00 | mg/l |