(Washington, DC) -- Oregon beaches are among the dirtiest in the nation. A report by the Environmental Protection Agency says beaches along the West Coast are the worst in the U.S. for fecal contamination along with beaches in the Gulf Coast and the Great Lakes. Overall, the EPA says half the beaches in the U.S. are contaminated with fecal matter which can cause serious intestinal issues. It's believed that about 90-million are sickened by water-borne illnesses each year but most incidents go unreported.