Põrmujärv is located in Navi village, Võru County. There is a lot of cyanobacteria in the lake. The water smells bad. The locals want to clean the lake.
Scientists have placed an artificial island on the lake. They hope it will help clean the lake. Plants are growing on the island.
There is a lot of cyanobacteria in the lake. It is dangerous. Scientists say the new method will help.
The locals hope the lake will become clean. They want to swim and fish.