Superfund Site: ORONOGO-DUENWEG MINING BELT
JOPLIN, MO

Superfund Site Profile

SITE BACKGROUND

The Oronogo-Duenweg Mining Belt Site covers about 20 square miles near Joplin, Missouri. Former mining and smelting operations contaminated soil and groundwater with lead, zinc and cadmium. Over 10 million tons of surface mining wastes contaminated about 7,000 acres of the site. Cleanup activities and monitoring are ongoing.