Industries are required to obtain the NOC from the Pollution control department before starting their business. Contact Corpbiz and get assistance in obtaining the NOC from the pollution control board.
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The State Government of Tamil Nadu constituted the Tamil Nadu Prevention and Control of Water Pollution Board on 27th February 1982 under the Water (Prevention and Control of Pollution) Act, 1974. The Board was renamed in 1983 as Tamil Nadu Pollution Control Board (TNPCB). The Board investigates, collects and disseminates data related to the water, air and soil pollution and also lays down the standards for sewage/trade effluent and emissions for discharging entrusted to it.
The TNPCB enforces Pollution Control Legislation, Rules and Notifications, and these are the following laws:
The Head Office of Tamil Nadu Pollution Control Board (TNPCB) is in Chennai, and it is headed by the Chairman, Member Secretary, and two Additional Chief Environmental Engineers. It has ten zonal and thirty-two district offices. The Zonal Offices and District Offices are headed by the Joint Chief Environmental Engineers and Districts Environmental Engineers, respectively. Five Flying Squads are also working at Chennai, Erode, Salem, Tiruppur and Vellore and these are headed by the Environmental Engineers. Assistant Environmental Engineers head the two District Offices.
The TNPCB has established five Advanced Environmental Laboratories and ten District Environmental Laboratories to assist in the Analytical and Scientific side.
The Board is taking all effective steps for the safe disposal of the wastes. It has completed the inventory of hazardous waste generating units and has identified sites for the disposal of such hazardous wastes. It also creates awareness in the state of Tamil Nadu by opening training institutes and awareness cells and by holding awareness programmes related to the Environment.
The consent that the TNPCB issues are of two types:
The Consent to Establish (CTE) is issued depending upon the suitability of the site of the industry before its construction.
The Consent to Operate (CTO) is issued after the installation of the measures related to pollution control in the industries.
The filed officers of the TNPCB inspect all industries of their jurisdiction on a timely basis to know the adequacy of treatment measures provided for the treatment of liquid effluent and gaseous emission.
The Board has classified industries into three categories as per the pollution load of these industries. Such categories are Red, Orange and Green.
The TNPCB issues show-cause notices, directions for closure, stoppage of power supply and water supply, etc., and also takes legal actions against erring industries for non-compliance with Pollution Control Legislations, Conditions and Standards. The Board has delegated the power of close monitoring to the field officers. The Joint Chief Environmental Engineers or the District Environmental Engineers are empowered to issue the consent to categories of the orange and green industries and also to the small red industries. Such officers can also issue show-cause notices to these industries.
The TNPCB acts as the catalyst in the implementation of the Common Effluent Treatment Plants (CETPs) for small scale industries located in clusters.
The following are the main functions of the Tamil Nadu Pollution Control Board as per the provisions of Water (Prevention and Control of Pollution) Act, 1947 and the Air (Prevention and Control of Pollution) Act, 1981:
The Documents required for filing an application to Karnataka State Pollution Control Board are the following:
Checklist of supporting Documents for Consent to Establish
Checklist of supporting Documents for Consent to Operate
The consent by Tamil Nadu Pollution Control Board grants consent through the following procedure:
The new industry has to identify the category (red, orange or green) under which it falls, as divided by the Tamil Nadu Pollution Control Board (TNPCB).
The industry then applies for consent to the Tamil Nadu Pollution Control Board by submitting Documents with the requisite fee.
The application by the applicant for obtaining the consent of the Tamil Nadu Pollution Control Board is forwarded to the Inspecting Authority. The authorized officer then does the site inspection. He then prepares the inspection report with comments.
If any query arises, send it to the applicant. The applicant responds to the query with additional details or Documents. And if there is no query or upon the satisfaction of the response to the query, the inspecting authority forwards the application to the approving authority.
The Approving Authority holds a committee meeting and drafts minutes. If the application gets approved, then it is sent to the AE/AEE, where it prepares the consent order. If not approved, then send it to the DEE, where he prepares the rejection letter with the reasons for rejection. The DEE forward the rejection letter to the applicant.
The consent order prepared by the AE/AEE is forwarded to the issuing authority. The issuing authority approves the consent order with a digital signature and forwards the consent order to the applicant.
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Written by Neha Dawra. Last updated on Jun 4 2026, 11:46 PM
Neha Dawra has 4+ years of experience in legal research and intellectual property advisory. Her expertise lies in analyzing IP laws, drafting structured legal content, and simplifying complex registration procedures into clear, simple insights.
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