Despite recent rain, groundwater levels remain at near-record lows. Markku Rantti, head of the local village association, says some wells in the area only have about 20 cm of water at the bottom.
Potentially harmful blue-green algae has increased in lakes over the past week.
The condition of the lake isn’t very good and it has the typical problems with high nutrient levels and depleted oxygen.
Swimming at the lake is not recommended at the moment, despite a major purification process in 2017.
In Northern Ostrobothnia the floods are rising faster, and local emergency services have elicited the help of the military as a precaution, in case some of the ice dams in the riverland should need to be detonated.
Mild, wet weather has raised water levels in rivers and lakes around the country.
Strong winds have created a picturesque wall of ice on the shore of Lake Pyhäjärv. "This often happens at this time of year on the shores of larger lakes and on the sea shore," Huutonen said, adding that there were gale force winds in the area over the weekend.
The conditions for the creation of an ice wall on the lake occur about once a decade, when the ice is thick enough and there are large variations in the daily temperatures. As the ice melts, it creates a chasm, but when it freezes again and expands, it forces the edge of the chasm upwards, creating the 'wall' effect.
With current tropical conditions set to continue for another week, the situation is not likely to improve before the end of July or early August.
A total of 140 crashes and other accidents involving elk have been reported in the last week alone, police said, especially in the area around Pyhäjärvi lake near the town of Säkylä in the southwest of Finland.
Packed ice crystals have pushed up water levels on the Kokemäki River, soaking some buildings in Huittinen and Pori.
Littoinen Lake made headlines in 2017 when it was chemically treated because it was overwhelmed with phosphorous and algae. Now there is a new problem.
The highest flood levels in Finland's measurement history are predicted to hit Rovaniemi. The cities of Tornio and Kittilä also expect extensive water damage.
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