We take water samples from Lakes Jyväsjärvi, Tuomiojäri, Alvajärvi and Patajärvi.

Aino-ferry floating on Lake Jyväsjärvi is measuring round the clock weather and water quality. The most resent data can be found from Jyväsjärvi online -page.

Lake Jyväsjärvi data is also possible to be explored on Water On the Web.