West Bengal Pollution Control Board |
Haldia Laboratory |
Block-05 at 40 Flats Complex,Adjacent to Priyambada Housing Complex,Basudevpur, P.O. Khanjanchak, Haldia, Purba Medinipore - 721602 |
| Station: D/S OF RUPNARAYAN AT KOLAGHAT, NEAR KOLAGHAT RAIL BRIDGE NO.3 | River Basin: Rupnarayan | CPCB Station Code: 2509 |
| Sample Date: 23/06/2022 | Sample Time: 15:00 | |
| Human Activities: Fishing and Bathing | Weather: Clear | Water Body: Rupnarayan at Kolaghat |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.50 m |
| Color & Intensity: Turbid | Odour: None | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.65 | mg/l |
| Conductivity | 481.20 | µs/cm |
| Dissolved O2(DO) | 6.20 | mg/l |
| Fecal Coliform | 3300 | MPN/100ml |
| Fecal Streptococci | 200 | MPN/100ml |
| Nitrate-N | 0.56 | mg/l |
| pH | 7.59 | Unit |
| Temperature(Water) | 32.0 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 49.00 | mg/l |
| Chloride | 282.89 | mg/l |
| COD | 13.00 | mg/l |
| Fluoride | 0.42 | mg/l |
| Magnesium | 37.00 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.16 | mg/l |
| Potassium | 4.20 | mg/l |
| Sodium | 41.20 | mg/l |
| Sulphate | 38.18 | mg/l |
| Total Alkalinity | 56.00 | mg/l |
| Total Dissolved Solids(TDS) | 404.00 | mg/l |
| Total Fixed Solids(TFS) | 610.00 | mg/l |
| Total Hardness as CaCo3 | 140.00 | mg/l |
| Total Suspended Solids(TSS) | 236.00 | mg/l |
| Turbidity | 254.00 | NTU |