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: 17/03/2020 | Sample Time: 10:30 Hrs | |
| Human Activities: Bathing and Fishing. | Weather: Sunny | Water Body: Karala at jalpaiguri |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Green and Slightly Turbid | Odour: Fishy | Visible effluent discharge: None. |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 1.80 | mg/l |
| Conductivity | 128.00 | µs/cm |
| Dissolved O2(DO) | 8.20 | mg/l |
| Fecal Coliform | 1700 | MPN/100ml |
| Nitrate-N | mg/l | |
| pH | 7.60 | Unit |
| Temperature | 21 | ⁰C |
| Total Coliform | 3400 | MPN/100ml |
| Boron | 0.64 | mg/l |
| Calcium | 12.83 | mg/l |
| Chloride | 10.76 | mg/l |
| COD | 28.00 | mg/l |
| Fluoride | mg/l | |
| Magnesium | 2.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 1.60 | mg/l |
| Sodium | 4.80 | mg/l |
| Sulphate | 15.38 | mg/l |
| Total Alkalinity | 76.00 | mg/l |
| Total Dissolved Solids(TDS) | 64.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 42.00 | mg/l |
| Total Suspended Solids(TSS) | 12.00 | mg/l |
| Turbidity | NTU | |
| Ammonia-N | mg/l | |