West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: MAHANANDA AT SILIGURI | River Basin: Mahananda | CPCB Station Code: 1946 |
Sample Date: 14/11/2019 | Sample Time: 10:35 hrs | |
Human Activities: bathing & Washing,Fishing. | Weather: Sunny | Water Body: Mahananda at Siliguri |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Brown and moderately Clear | Odour: Fishy | Visible effluent discharge: Moderate |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Nitrate-N | 0.63 | mg/l |
pH | 6.89 | Unit |
Fecal Coliform | 4000 | MPN/100ml |
Temperature | 27 | ⁰C |
Total Coliform | 11000 | MPN/100ml |
Sulphate | 11.54 | mg/l |
Total Alkalinity | 74.00 | mg/l |
Total Dissolved Solids(TDS) | 96.00 | mg/l |
Magnesium | 5.76 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.020 | mg/l |
Potassium | 3.70 | mg/l |
Total Fixed Solids(TFS) | 128.00 | mg/l |
Total Hardness as CaCo3 | 68.00 | mg/l |
Total Suspended Solids(TSS) | 62.00 | mg/l |
Turbidity | 2.66 | NTU |
Calcium | 19.24 | mg/l |
Chloride | 8.81 | mg/l |
COD | 48.00 | mg/l |
Fluoride | 0.18 | mg/l |
Sodium | 5.80 | mg/l |
Ammonia-N | 0.48 | mg/l |
BOD | 1.40 | mg/l |
Conductivity | 93.20 | µs/cm |
Dissolved O2(DO) | 6.80 | mg/l |
Boron | 0.015 | mg/l |