West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: MAHANANDA D/S, RAMGHAT | River Basin: Mahananda | CPCB Station Code: 2525 |
Sample Date: 18/06/2021 | Sample Time: 14:00 | |
Human Activities: None | Weather: Rainy | Water Body: Ramghat on Mahananda |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Dark Brown | Odour: Nauseating | Visible effluent discharge: Moderate |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
BOD | 18.00 | mg/l |
Conductivity | 141.60 | µs/cm |
Dissolved O2(DO) | 4.80 | mg/l |
Fecal Coliform | 140000 | MPN/100ml |
Fecal Streptococci | 170 | MPN/100ml |
Nitrate-N | 0.56 | mg/l |
pH | 8.19 | Unit |
Temperature(Water) | 25 | ⁰C |
Total Coliform | 220000 | MPN/100ml |
Boron | 4.12 | mg/l |
Calcium | 20.80 | mg/l |
Chloride | 38.16 | mg/l |
COD | 96.00 | mg/l |
Fluoride | 0.16 | mg/l |
Magnesium | 6.91 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.039 | mg/l |
Potassium | 2.5 | mg/l |
Sodium | 7.2 | mg/l |
Sulphate | 44.42 | mg/l |
Total Alkalinity | 88.00 | mg/l |
Total Dissolved Solids(TDS) | 98.00 | mg/l |
Total Fixed Solids(TFS) | 138.00 | mg/l |
Total Hardness as CaCo3 | 76.00 | mg/l |
Total Suspended Solids(TSS) | 116.00 | mg/l |
Turbidity | 110.00 | NTU |
Ammonia-N | 0.22 | mg/l |