The lake is situated near the school. Students had a lesson of biology studying how to measure level of pollution researching amount of lichen and rubbish.
To make measurements students used a worksheet.
The results of the study showed that the area is no polluted much, but there is a considerable amount of litter scattered and some placed used for having a barbeque, where the amount of rubbish is significant.
The prevailing type of litter is bottle lids, cans and plastic bottles.