CPCB's Online Continuous Effluent Monitoring System mandate requires Grossly Polluting Industries (GPIs) to install real-time effluent quality monitoring systems connected directly to the CPCB CEMS server.
Which Industries Must Install OCEMS?
- Distilleries
- Sugar mills
- Pulp and paper mills
- Textile dyeing/printing units
- Tanneries
- Fertilizer plants
- Petrochemical complexes
- Pharmaceutical manufacturers (Red category)
OCEMS Technical Requirements
| Parameter | Sensor Type | Accuracy |
|---|---|---|
| pH | Electrolytic | ±0.1 pH |
| COD | UV-Vis Spectrophotometer | ±10% of reading |
| BOD | Biochemical sensor | ±15% of reading |
| TSS | Turbidimetric | ±10% of reading |
| Flow | Electromagnetic | ±2% of reading |
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