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Industrial wastewater regulation QCVN 40: 2021/BTNMT

What is the regulation on industrial wastewater QCVN 40: 2021/BTNMT?

The industrial wastewater regulation QCVN 40: 2021/BTNMT issued by the Ministry of Natural Resources and Environment on 30/12/2021, is a legal document stipulating the maximum allowable limit of pollution parameters in industrial wastewater when discharged into water sources.
This regulation replaces the National Technical Regulation on industrial wastewater issued in QCVN 24: 2009/BTNMT.
Scope of application of QCVN 40: 2021/BTNMT
This regulation applies to organizations and individuals that discharge wastewater into water sources from production, business, service and industrial facilities.
The objects include: manufacturing plants, processing facilities, industrial parks, slaughtering facilities for cattle and poultry; food processing, textile dyeing; printing facilities, paper; pharmaceuticals, chemicals; electroplating, tanning, rubber; seaports, airports…
Quy chuẩn nước thải công nghiệp QCVN 40 2021 BTNMT

The provisions of QCVN 40: 2021/BTNMT

This standard specifies the maximum allowable limits for 29 parameters of pollution in industrial wastewater when discharged into water sources, including:
  • Basic pollution parameters: pH, BOD5, COD, TSS, N-NH4 +, P-PO43-, animal and vegetable oils, total dissolved solids.
  • Heavy metal groups: As, Cd, Cr6 +, Cu, Pb, Zn, Ni, Hg, Cr total.
  • Other toxic parameters group: CN-, NO2-, Phenol, Arsenic, Fluoride, Xianide.
The method of determining the value of pollution parameters
The regulation specifies the methods of sampling and analysis of wastewater samples to determine the concentration of pollution parameters. The prescribed methods include:
  • Sampling: frequency, timing, representative sampling.
  • Sample handling and preservation: instrument requirements, sample handling after taking.
  • Sample analysis methods: specify in detail each analytical method for each pollution parameter.
The meaning of the standard
The promulgation of the Industrial Wastewater Regulation QCVN 40: 2021/BTNMT aims to protect the water environment, prevent and control water pollution. The regulation establishes a legal framework, which serves as a basis for production and business establishments to comply with, control and treat wastewater up to standards before being discharged into the environment.

Subjects must comply with the industrial wastewater regulation

  • This regulation applies to industrial wastewater discharge facilities when discharging to the source of receiving wastewater.
  • Industrial wastewater arising from wastewater discharge facilities into the centralized wastewater treatment system complies with regulations on connection and reception of the management unit and operation of the centralized wastewater treatment system.
  • Wastewater from domestic activities and wastewater from livestock activities when discharged to wastewater reception sources are not subject to the application of this Regulation and are specified in separate regulations.
  • Wastewater from domestic activities and wastewater from livestock activities when imported with industrial wastewater shall be managed as wastewater in this regulation.

Quy chuẩn nước thải công nghiệp QCVN 40 2021 BTNMT 2024

Responsibilities of parties related to QCVN 40: 2021/BTNMT

  • Production, business and service facilities: Must perform periodic wastewater monitoring, install wastewater treatment equipment, maintain regular operation and sufficient capacity of the wastewater treatment system, establish a wastewater quality monitoring book.
  • Ministry of Natural Resources and Environment: Guiding and checking the implementation of regulations; organizing periodic assessment and review to amend and supplement regulations accordingly.
  • Related ministries and branches: Coordinate with the Ministry of Natural Resources and Environment in guiding, inspecting and checking the implementation of regulations.
Dealing with violations
  • Violating establishments shall be dealt with in accordance with the current law on handling administrative violations in the field of environmental protection.
  • Depending on the level of violations, the facility may be punished for administrative violations, forced restoration of the original environment or criminal prosecution.
  • Individuals may be disciplined, sanctioned for administrative violations or pursued for criminal liability depending on the extent.
Thus, the Industrial Wastewater Regulation QCVN 40: 2021/BTNMT has been upgraded to tighten the management and protection of the water environment, contributing to the prevention and control of water pollution caused by industrial production activities. Strict compliance with the standard is the responsibility and obligation of all organizations and individuals involved.
Natural Star Vina specializes in the design and construction of industrial wastewater treatment systems in strict compliance with the Industrial Wastewater Regulation QCVN 40: 2021/BTNMT. Ensuring environmental safety and production facilities.
 

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