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: 02/02/2022 | Sample Time: 12:55 | |
Human Activities: None | Weather: Sunny | Water Body: Coochbihar lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light green and moderately turbid | Odour: Fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | BDL | mg/l |
BOD | 1.60 | mg/l |
Conductivity | 37.92 | µs/cm |
Dissolved O2(DO) | 8.80 | mg/l |
Fecal Coliform | 1400 | MPN/100ml |
Nitrate-N | 1.51 | mg/l |
pH | 8.10 | Unit |
Temperature(Water) | 16 | ⁰C |
Total Coliform | 30000 | MPN/100ml |
Boron | 0.71 | mg/l |
Calcium | 6.41 | mg/l |
Chloride | 7.83 | mg/l |
COD | 36.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 5.76 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.006 | mg/l |
Potassium | 0.40 | mg/l |
Sodium | 0.90 | mg/l |
Sulphate | 0.55 | mg/l |
Total Alkalinity | 36.00 | mg/l |
Total Dissolved Solids(TDS) | 22.00 | mg/l |
Total Fixed Solids(TFS) | 28.00 | mg/l |
Total Hardness as CaCo3 | 36.00 | mg/l |
Total Suspended Solids(TSS) | 48.00 | mg/l |
Turbidity | 8.48 | NTU |