The pollution of lakes is mainly conceived in terms of nutrient levels and eutrophication with
the consequent development of algal blooms and fish kills. However, heavy metals are
increasingly becoming prominent especially for water bodies closer to urban and mining
areas. This study focuses on heavy metal pollution in lakes using a case study of Lake
Muhazi in Rwanda. The study characterized the horizontal and vertical distribution of heavy
metals in the Lake, with the research conducted from July to October 2007. The parameters …