West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: KOCHBIHAR LAKE (SAGAR DIGHI) | River Basin: Raidak_Torsa | CPCB Station Code: 2519 |
Sample Date: 23/07/2021 | Sample Time: 13:25 | |
Human Activities: None | Weather: Sunny and humid | Water Body: Coochbihar lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Moderately green and turbid | Odour: Fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Total Alkalinity | 76.00 | mg/l |
Total Dissolved Solids(TDS) | 28.00 | mg/l |
Total Fixed Solids(TFS) | 28.00 | mg/l |
Total Hardness as CaCo3 | 36.0 | mg/l |
Total Suspended Solids(TSS) | 14.00 | mg/l |
Turbidity | 9.58 | NTU |
Ammonia-N | BDL | mg/l |
BOD | 1.70 | mg/l |
Conductivity | 42.73 | µs/cm |
Dissolved O2(DO) | 6.90 | mg/l |
Fecal Coliform | 2300 | MPN/100ml |
Nitrate-N | 0.06 | mg/l |
pH | 7.23 | Unit |
Temperature(Water) | 29 | ⁰C |
Total Coliform | 5000 | MPN/100ml |
Boron | 0.64 | mg/l |
Calcium | 9.62 | mg/l |
Chloride | 17.61 | mg/l |
COD | 16.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 3.46 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.005 | mg/l |
Potassium | 0.08 | mg/l |
Sodium | 2.00 | mg/l |
Sulphate | 4.06 | mg/l |