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: 27/12/2019 | Sample Time: 14:30 Hrs | |
Human Activities: Bathing,washing | 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: Moderately green and Muddy | Odour: fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Nitrate-N | 0.37 | mg/l |
Chloride | 17.61 | mg/l |
COD | 35.00 | mg/l |
Magnesium | 1.73 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.020 | mg/l |
Potassium | 0.90 | mg/l |
Sodium | 0.10 | mg/l |
Sulphate | 12.73 | mg/l |
Total Alkalinity | 48.00 | mg/l |
Total Dissolved Solids(TDS) | 60.00 | mg/l |
Total Suspended Solids(TSS) | 52.00 | mg/l |
Turbidity | 8.63 | NTU |
BOD | 1.20 | mg/l |
Conductivity | 43.59 | µs/cm |
Dissolved O2(DO) | 6.80 | mg/l |
Fluoride | BDL | mg/l |
Total Fixed Solids(TFS) | 40.00 | mg/l |
Total Hardness as CaCo3 | 28.00 | mg/l |
Ammonia-N | 0.12 | mg/l |
pH | 7.62 | Unit |
Temperature | 18 | ⁰C |
Fecal Coliform | 2700 | MPN/100ml |
Total Coliform | 8000 | MPN/100ml |
Boron | 0.004 | mg/l |
Calcium | 8.82 | mg/l |