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: 10/05/2019 | Sample Time: 15:45 Hrs | |
Human Activities: Washing,Bathing . | Weather: Hot ,Humid and Cloudy | Water Body: Coochbihar lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Dark Green | Odour: fishy | Visible effluent discharge: none |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Sodium | 1.00 | mg/l |
Sulphate | 3.47 | mg/l |
Total Alkalinity | 38.00 | mg/l |
Total Dissolved Solids(TDS) | 82.00 | mg/l |
Total Fixed Solids(TFS) | 8.0 | mg/l |
Total Hardness as CaCo3 | 26.0 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Total Suspended Solids(TSS) | 58.00 | mg/l |
Turbidity | 8.04 | NTU |
Ammonia-N | 0.29 | mg/l |
BOD | 2.60 | mg/l |
Conductivity | 76.26 | µs/cm |
Dissolved O2(DO) | 8.70 | mg/l |
Fecal Coliform | 2200 | MPN/100ml |
Nitrate-N | 0.10 | mg/l |
pH | 7.45 | Unit |
Temperature | 28 | ⁰C |
Total Coliform | 9000 | MPN/100ml |
Boron | 0.007 | mg/l |
Calcium | 8.01 | mg/l |
Chloride | 6.85 | mg/l |
COD | 45.00 | mg/l |
Fluoride | 0.12 | mg/l |
Magnesium | 1.73 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.005 | mg/l |
Potassium | BDL | mg/l |