West Bengal Pollution Control Board |
Central Laboratory |
Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953 |
| Station: CENTRAL HOWRAH-RESIDENTAIL AREA | River Basin: GANGA | CPCB Station Code: 1934 |
| Sample Date: 04/04/2019 | Sample Time: 08:00 | |
| Human Activities: Nil | Weather: Sunny | Water Body: Ground Water at Howrah |
| Frequency Of Monitoring: Halfyearly | Use Based Class: A | Approximate Depth(Bottom/Table): 0.00 m |
| Color & Intensity: Clear | Odour: Nil | Visible effluent discharge: Nil |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Magnesium | 52.34 | mg/l |
| Phenolpthalein Alkanity | 0 | mg/l |
| Phosphate-P | BDL | mg/l |
| Potassium | 6.21 | mg/l |
| Sodium | 261.74 | mg/l |
| Sulphate | 18.77 | mg/l |
| Total Alkalinity | 610.0 | mg/l |
| Total Dissolved Solids(TDS) | 1372.0 | mg/l |
| Total Fixed Solids(TFS) | 1292.0 | mg/l |
| Total Hardness as CaCo3 | 250.0 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Conductivity | 2634.0 | µs/cm |
| Fecal Coliform | NIL | MPN/100ml |
| Nitrate-N | 0.07 | mg/l |
| Ammonia-N | BDL | mg/l |
| BOD | 0.5 | mg/l |
| pH | 7.26 | Unit |
| Temperature | 28 | ⁰C |
| Total Coliform | NIL | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 13.85 | mg/l |
| Chloride | 412.37 | mg/l |
| COD | 3.0 | mg/l |
| Fluoride | 0.72 | mg/l |
| a-Endosulphan | NT | ppb |
| o,p-DDT | BDL | ppb |
| p,p-DDT | BDL | ppb |
| Turbidity | 175.0 | NTU |
| Arsenic | BDL | µg/l |
| Cadmium | BDL | µg/l |
| Chromium Total | BDL | µg/l |
| Copper | BDL | µg/l |
| Iron | 1.29 | mg/l |
| Lead | BDL | µg/l |
| Mercury | BDL | µg/l |
| Nickel | BDL | µg/l |
| Zinc | BDL | µg/l |
| a-BHC | BDL | ppb |
| Aldrin | BDL | ppb |
| Anilophos | BDL | ppb |
| b-Endosulphan | BDL | ppb |
| Chlorpyriphos | NT | ppb |
| Dieldrin | BDL | ppb |
| g-BHC | NT | ppb |
| Malathion | BDL | ppb |
| Methyl Parathion | BDL | ppb |
| Total Suspended Solids(TSS) | 30.0 | mg/l |