Presence of toxic heavy metals in organisms can cause many diseases even if present in very low concentrations. Heavy metals in the atmosphere come from various sources like fertilizers, pesticides, dumping of mining waste and industrial wastes etc. Others various source of atmospheric pollution due to toxic heavy metals are transport industries, power generation and fossil fuel burning. These toxic heavy metals enter into our body through the water we drink., air we breathe and the food we eat. In this paper, the toxicity effect of metal lead has been observed morphologically on some water plants.