Environment Statistics Display

CPCB Guidelines for Digital Display Boards: A Step Toward Environmental Transparency

In an era where environmental accountability is no longer optional, the Central Pollution Control Board (CPCB) has taken a decisive step to ensure industries across India uphold transparency. Through its guidelines and mandates—reinforced by the National Green Tribunal (NGT) and the Supreme Court of India—CPCB now requires the installation of digital display boards at industrial premises, especially those handling hazardous materials. 

Legal Foundation 

The directive stems from: 

  • NGT Order OA No. 804/2017 
  • Supreme Court WP (C) No. 657/1995 
  • CPCB Circular No. F.No.B-29016/NGT/C-08/2020/WM-II/Div./1849 

These legal instruments emphasize the need for real-time environmental data to be publicly displayed, promoting transparency and enabling regulatory oversight. 

Who Must Comply? 

Industries falling under the Red and Orange categories—those with high and medium pollution potential—are mandated to install digital display boards. This includes facilities with: 

  • DG Sets 
  • Effluent Treatment Plants (ETP) 
  • Sewage Treatment Plants (STP) 
  • Hazardous waste generation or handling 

What Should Be Displayed? 

The CPCB mandates a standardized format (Annexure-I) for display boards, which must include: 

1. Facility Details 

  • Industry name, address, contact info 
  • Consent to Operate (CTO) number and validity 

2. Operational Status 

  • Products manufactured 
  • Key chemicals used 
  • Production capacity 

3. Pollution Parameters 

  • Air Emissions: PM, CO, SO₂, NO₂ 
  • Effluent Quality: pH, COD, BOD, TSS 
  • Hazardous Waste: Type, quantity, disposal method 

4. Update Information 

  • Date of last data update 
  • OCEMS (Online Continuous Emission Monitoring System) status 

Installation Requirements 

  • Location: Main gate or public-facing wall 
  • Visibility: Readable from 50–100 feet 
  • Technology: LED-based boards (e.g., P6/P10) 
  • Languages: English + local language (e.g., Marathi for Maharashtra) 
  • Operation: 24×7 with power backup 

Data Integration 

Boards must be linked to: 

  • OCEMS / OEEMS for real-time data 
  • SCADA/PLC/API systems for automated updates 
  • Manual update options (USB/Excel) if needed 

Non-Compliance Consequences 

Failure to comply may result in: 

  • Show-cause or closure notices 
  • Suspension of CTO 
  • Legal action under Air/Water Acts 
  • Departmental action against inspecting officers for oversight 

Why It Matters 

These guidelines are not just regulatory hurdles—they represent a shift toward corporate environmental responsibility. By displaying pollution data publicly: 

  • Citizens stay informed 
  • Authorities monitor compliance 
  • Industries build trust and credibility 

If you’re setting up a CPCB-compliant display board, companies like Compucare India Pvt Ltd offer solutions tailored to your industry and location.