Deutsch: Entwässerung / Español: Drenaje / Português: Drenagem / Français: Drainage / Italiano: Drenaggio

Drainage in the context of quality management refers to the systematic removal or control of excess water, fluids, or other unwanted liquids from a given area, product, or system to maintain optimal operating conditions and ensure the quality and integrity of processes and products. Effective drainage is crucial in various industries to prevent damage, contamination, and inefficiencies.


Drainage is a significant aspect of quality management, particularly in industries where the presence of excess water or fluids can adversely affect the quality, safety, and performance of products or processes. Proper drainage systems and practices help in:

  1. Preventing Water Damage: In manufacturing and construction, efficient drainage prevents water accumulation that can lead to structural damage, corrosion, and product degradation.
  2. Ensuring Product Quality: In food processing, pharmaceuticals, and chemical manufacturing, controlling moisture levels through effective drainage is critical to maintaining product quality and preventing contamination.
  3. Maintaining Operational Efficiency: In agriculture and landscaping, proper drainage ensures that water is directed away from areas where it can impede operations or harm crops.
  4. Health and Safety: In residential and commercial buildings, drainage systems are essential for preventing waterborne diseases, mould growth, and other health hazards.

Special Considerations

Quality management must address several considerations to ensure effective drainage:

  • System Design: Properly designed drainage systems that match the specific needs of the process or facility are crucial. This includes selecting appropriate materials, pipe sizes, and layouts to handle expected fluid volumes.
  • Maintenance: Regular maintenance and inspection of drainage systems are essential to prevent blockages, leaks, and other issues that can compromise their effectiveness.
  • Environmental Impact: Ensuring that drainage systems comply with environmental regulations and do not adversely affect local ecosystems is important. This includes treating and properly disposing of wastewater.

Application Areas

Drainage is applicable in various areas within quality management, including:

  • Construction: Managing stormwater and groundwater through site grading, gutter systems, and French drains to protect foundations and infrastructure.
  • Manufacturing: Implementing floor drains, sump pumps, and trench drains to manage spills and clean-up processes, ensuring a safe and efficient work environment.
  • Agriculture: Using field drainage systems like tile drainage to remove excess water from soil, improving crop health and yield.
  • Healthcare: Ensuring proper drainage in facilities to prevent waterborne infections and maintain sanitary conditions.
  • Food and Beverage: Controlling moisture levels in processing and storage areas to maintain hygiene and product quality.

Well-Known Examples

  • Urban Drainage Systems: City-wide drainage networks that manage stormwater runoff to prevent flooding and water damage to infrastructure.
  • Agricultural Tile Drainage: Subsurface drainage systems that improve soil conditions for farming by removing excess water.
  • Industrial Wastewater Treatment: Facilities that treat and manage industrial effluents to comply with environmental standards and ensure safe disposal.
  • Building Foundation Drainage: Perimeter drains around building foundations to prevent water infiltration and structural damage.

Treatment and Risks

Effective drainage management involves addressing several risks and implementing strategies to mitigate them:

  • Blockages: Regular maintenance and cleaning of drainage systems to prevent blockages that can cause water overflow and damage.
  • Leaks: Inspecting and repairing leaks promptly to avoid water damage and contamination.
  • Environmental Compliance: Ensuring that drainage systems do not harm the environment by treating wastewater and following regulatory guidelines.
  • Health Risks: Managing drainage in a way that prevents stagnation and the growth of harmful bacteria or mould.

Similar Terms

  • Water Management: The broader practice of managing water resources, including drainage, supply, and conservation.
  • Irrigation: The supply of water to land or crops to help growth, often involving the opposite of drainage by adding water rather than removing it.
  • Sewerage: The infrastructure that conveys sewage or surface runoff using sewers, which is a component of drainage systems.



In quality management, drainage involves the effective removal and control of excess water and fluids to maintain the integrity and quality of processes, products, and infrastructure. Properly designed and maintained drainage systems are crucial across various industries to prevent damage, ensure operational efficiency, and comply with health and environmental standards. Effective drainage management is essential for maintaining high-quality standards and safe working conditions.


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