The site of Times Beach now houses a 419-acre (170 ha) state park commemorating U.S. In 1985, the State of Missouri officially disincorporated the city of Times Beach. Once home to more than two thousand people, the town was completely evacuated early in 1983 due to TCDD (a type of dioxin) contamination, formerly the largest civilian exposure to the compound in the history of the United States. Louis County, Missouri, United States, 17 miles (27 km) southwest of St.