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: 23/10/2019 | Sample Time: 14:10 | |
Human Activities: Bathing, Washing. | Weather: Sunny and Hot | Water Body: Coochbihar lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Moderately Brown | Odour: Fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | BDL | mg/l |
BOD | 1.40 | mg/l |
Conductivity | 58.70 | µs/cm |
Dissolved O2(DO) | 6.90 | mg/l |
Fecal Coliform | 2200 | MPN/100ml |
Boron | 0.004 | mg/l |
Calcium | 7.21 | mg/l |
Chloride | 19.57 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.019 | mg/l |
Potassium | BDL | mg/l |
Sodium | 1.00 | mg/l |
Sulphate | 9.04 | mg/l |
Total Alkalinity | 42.00 | mg/l |
Total Dissolved Solids(TDS) | 72.00 | mg/l |
Total Fixed Solids(TFS) | 42.00 | mg/l |
Total Hardness as CaCo3 | 38.00 | mg/l |
Total Suspended Solids(TSS) | 42.00 | mg/l |
Turbidity | 3.52 | NTU |
Nitrate-N | 0.31 | mg/l |
COD | 24.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 5.76 | mg/l |
pH | 7.60 | Unit |
Temperature | 30 | ⁰C |
Total Coliform | 8000 | MPN/100ml |