30.04.11.Zagryaznenie oil lakes Valgyarv in Võru County led to the mass death of fish.
A local resident told The Valley Org Vorumaa Teataja, that collected several boxes of dead fish and buried in the garden as fertilizer. Org said he had not seen such a sad sight for 40 years lived by the lake.
According to the Authority, the cause of death of fish could be the last year the pollution in the lake when oil fell and covered the surface of the thin film. Rescuers clean the lake last fall, but, apparently, the residual contamination was lethal to fish.