What is MPCB CTE and CTO?
Under the Water (Prevention and Control of Pollution) Act, 1974 and the Air (Prevention and Control of Pollution) Act, 1981, every commercial, industrial, healthcare, or residential infrastructure entity in Maharashtra discharging trade effluent, sewage, or air emissions must obtain prior permission from the Maharashtra Pollution Control Board (MPCB).
Consent is issued in two mandatory phases:
1. Consent to Establish (CTE): Required before commencing civil construction, plant setup, or machinery installation.
2. Consent to Operate (CTO): Required after plant erection and trial runs, but prior to initiating commercial manufacturing or operations.
Consent to Establish (CTE)
NOC for site location, MIDC land allotment, proposed ETP/STP capacity, and plant emission controls.
Consent to Operate (CTO)
Operational license valid for 1 to 5 years (renewable) with effluent/emission discharge standards.
4 Industry Pollution Categories
Consent conditions and government fees are governed by the Pollution Index (PI) score:
Red Category (PI ≥ 60)
Heavy industries, chemical, pharma, electroplating, distillery, steel plantsOrange Category (PI 41-59)
Food processing, hotels, fabrication, paint formulation, packaging unitsGreen Category (PI 21-40)
Light manufacturing, assembly units, flour mills, plastic injection moldingWhite Category (PI ≤ 20)
Non-polluting units (IT software, wind/solar, electric lamp assembly - Intimation only)Frequently Asked Questions
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