what environmental problems do open dumps cause
Open dumps pose the following health, safety, and environmental threats: 1  Fire and explosion. 2  Inhalation of toxic gases. 3  Injury to children playing on or around the dump site.  Disease carried by mosquitoes, flies, and 1  rodents. Contamination of streams, rivers and lakes.  Contamination of soil and 1  groundwater. Contamination of drinking  water.