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: 23/05/2022 | Sample Time: 14:00 | |
Human Activities: None | Weather: Sunny and Clear. | Water Body: Coochbihar lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Green and turbid | Odour: Fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 0.17 | mg/l |
BOD | 2.20 | mg/l |
Conductivity | 61.87 | µs/cm |
Dissolved O2(DO) | 8.20 | mg/l |
Fecal Coliform | 5000 | MPN/100ml |
Nitrate-N | 1.44 | mg/l |
pH | 7.57 | Unit |
Temperature(Water) | 28 | ⁰C |
Total Coliform | 11000 | MPN/100ml |
Boron | 2.42 | mg/l |
Calcium | 6.40 | mg/l |
Chloride | 1.95 | mg/l |
COD | 23.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 6.80 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.003 | mg/l |
Potassium | 0.70 | mg/l |
Sodium | 1.80 | mg/l |
Sulphate | 3.26 | mg/l |
Total Alkalinity | 34.00 | mg/l |
Total Dissolved Solids(TDS) | 37.00 | mg/l |
Total Fixed Solids(TFS) | 74.00 | mg/l |
Total Hardness as CaCo3 | 44.00 | mg/l |
Total Suspended Solids(TSS) | 17.00 | mg/l |
Turbidity | 3.49 | NTU |