Latex paint and stains can safely be put in the garbage for disposal at a landfill, as long as the paint is dry or solidified first. Dumped illegally, liquid latex paint can be a hazard by plugging or damaging septic fields, overloading sewage treatment plants and creating environmental hazards on the ground. Residents should dry out latex paint and stains and put it in the garbage with the lid off. To learn more about methods for proper paint disposal, click here.