- Cooling towers are structures that contain water and a fan.
- They are part of centralized air-cooling systems for buildings or industrial processes.
- Legionella can become a health concern when it grows and spreads in human-made building water systems like cooling towers.
![Cooling tower illustration Cooling towers are often part of the air conditioning systems of large buildings.](https://www.cdc.gov/legionella/images/materials-towers.jpg)
Format: JPG
Dimensions: 1829 x 1026 pixels
Language: English (US)
![Cooling tower illustration Cooling towers are often part of the air conditioning systems of large buildings.](https://www.cdc.gov/legionella/images/materials-towers.jpg)