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: 24/01/2020 | Sample Time: 14:20 Hrs | |
Human Activities: Bathing and Washing. | Weather: Clear and 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 Clear. | Odour: Fishy | Visible effluent discharge: None. |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Calcium | 9.62 | mg/l |
Chloride | 19.57 | mg/l |
Nitrate-N | 0.77 | mg/l |
COD | 23.00 | mg/l |
Fluoride | 0.12 | mg/l |
Magnesium | 3.46 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
pH | 7.50 | Unit |
Ammonia-N | BDL | mg/l |
Dissolved O2(DO) | 7.20 | mg/l |
Sodium | 0.60 | mg/l |
Sulphate | 15.67 | mg/l |
Total Alkalinity | 36.00 | mg/l |
Total Dissolved Solids(TDS) | 68.00 | mg/l |
Total Fixed Solids(TFS) | 16.00 | mg/l |
Total Suspended Solids(TSS) | 48.00 | mg/l |
Turbidity | 4.75 | NTU |
Conductivity | 46.21 | µs/cm |
Fecal Coliform | 2200 | MPN/100ml |
Temperature | 19 | ⁰C |
Total Coliform | 7000 | MPN/100ml |
Boron | 0.88 | mg/l |
BOD | 1.20 | mg/l |
Phosphate-P | 0.016 | mg/l |
Potassium | 1.1 | mg/l |
Total Hardness as CaCo3 | 38.00 | mg/l |