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Lahti has the best drinking water in the world. And it is by no means a coincidence.

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Take a closer look
about the whole process

Groundwater resources formation and protection
Operation area
Water intake plants
Water storage facilities
Distribution in the water supply network
Water drainage
Wastewater treatment plants
The sludge treatment process
Monitoring of wastewater treatment plants

Groundwater resources formation and protection
Operation area
Water intake plants
Water storage facilities
Distribution in the water supply network
Water drainage
Wastewater treatment plants
The sludge treatment process
Monitoring of wastewater treatment plants

Lahti and Hollola

Operation area

We operate water supply for 145 000 people and industry in Lahti and Hollola region.