EXTRA ORDINARY
PUBLISHED BY AUTHORITY 9 MAGHA 1946(S)
(NO.PATNA 83) PATNA, WEDNESDAY, 29TH JANUARY 2025 BIHAR STATE POLLUTION CONTROL BOARD ——— NOTIFICATION 26th December 2024 No.- 09—Ministry of Environment, Forest and Climate Change, Government of India has notified treated water quality standards for Common Effluent Treated Plants (CETPs) vide Gazette Notification S.O. 3846 (E), dated-09.09.2024, under Environment (Protection) Second Amendment Rules, 2024, which shall come into force on the 1st day of September, 2025.
As per aforesaid notification for each common effluent treated plant, the State Board or Pollution Control Committee will specify Inlet Quality standards for general parameters, ammonical nitrogen and heavy metals as per design, local needs and conditions of the Common Effluent Treatment Plant.
Bihar Industrial Area Development Authority (BIADA) has a proposal for establishment of a Common Effluent Treatment Plant for treatment of waste water generated from the proposed tannery units at leather cluster project, Bheriadangi, Kishanganj, Bihar based on Zero Liquid Discharge (ZLD) Concept. Project site has been notified as Leather Cluster by Industry Department, Government of Bihar vide Notification No. 6080 dated 18.10.2023.
As per Section 17 (m) of the Water (Prevention and Control of Pollution) Act, 1974, the State Board is mandated to lay down effluent standards to be complied with by persons while causing discharge of sewage or sullage or both and to lay down, modify or annual effluent standards for the sewage and trade Effluents.
| Sl. No. | Parameters | Maximum Permissible Values (in mg/L) Except for pH and Temperature | |
| A. | General Parameters | ||
| 1. | pH | 5.5 – 9.0 | |
| 2. | Temperature | Less than 45°C | |
| 3. | Total Suspended Solids (TSS) | 3000 | |
| 4. | Total Dissolved Solids (TDS) | 20000 | |
| 5. | Bio Chemical Oxygen Demand (BOD)3, 27°C | 2800 | |
| 6. | Chemical Oxygen Demand (COD) | 6000 | |
| B. | Specific Parameters | ||
| 1. | Total Chromium (Cr) | 45 | |
| 2. | Ammonical Nitrogen | 400 | |
| 3. | Chlorides | 10500 | |
| 4. | Sulphides (S) | 250 | |
| 5. | Oil and Grease | 300 |
By order, Neeraj Narayan, Member Secretary.
——— PUBLISHED AND PRINTED BY THE SUPERINTENDENT, BIHAR SECRETARIAT PRESS, PATNA, BIHAR GAZETTE (EXTRA) 83—571+200 Website:http://egazette.bih.nic.in