https://www.jyvaskyla.fi/ymparisto/ymparistoterveys/lahdevesi
The springs are equated with private wells. They are subject to the quality requirements and recommendations of the Ministry of Social Affairs and Health Regulation (401/2001). Environmental health regularly monitors the water quality of certain, actively used, built sources in its area of control. However, regular monitoring does not guarantee the continued good quality of spring water. Natural phenomena such as heavy rains or spring floods can contaminate groundwater locally and temporarily, resulting in water quality not necessarily meeting health quality requirements. The water user always drinks spring water at his own risk. It is always worth taking spring water observe the appearance, odor, and taste of water before using it for drinking water purposes. The owner is responsible for the condition of the source structures.
