MINISTER for Water Resources N.K. Premachandran, who piloted the Plachimada Special Tribunal Bill, 2011, in the State Assembly, said the High Power Committee (HPC) had found enough evidence to prove the presence of dangerous levels of cadmium and lead in the sludge distributed by the Coca-Cola unit at Plachimada and for the pollution of groundwater, drinking water and soil in the village.