West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: KAROLA, D/S OF JALPAIGURI, NEAR MIN BHAWAN | River Basin: Tista | CPCB Station Code: 2523 |
Sample Date: 26/08/2021 | Sample Time: 13:10 | |
Human Activities: Bathing and Washing and Fishing. | Weather: Sunny and Clear. | Water Body: Karala at jalpaiguri |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Moderately green and clear | Odour: Fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 0.18 | mg/l |
BOD | 1.60 | mg/l |
Conductivity | 56.42 | µs/cm |
Dissolved O2(DO) | 7.40 | mg/l |
Fecal Coliform | 3400 | MPN/100ml |
Fecal Streptococci | 12 | MPN/100ml |
Nitrate-N | 0.08 | mg/l |
pH | 7.20 | Unit |
Temperature(Water) | 28 | ⁰C |
Total Coliform | 13000 | MPN/100ml |
Boron | 0.54 | mg/l |
Calcium | 12.02 | mg/l |
Chloride | 10.76 | mg/l |
COD | 16.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 2.88 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.007 | mg/l |
Potassium | 0.20 | mg/l |
Sodium | 0.60 | mg/l |
Sulphate | 7.35 | mg/l |
Total Alkalinity | 76.00 | mg/l |
Total Dissolved Solids(TDS) | 16.00 | mg/l |
Total Fixed Solids(TFS) | 12.00 | mg/l |
Total Hardness as CaCo3 | 40.00 | mg/l |
Total Suspended Solids(TSS) | 10.00 | mg/l |
Turbidity | 4.13 | NTU |