Ottumwa (ŏtŭm´wə, ō–), city (1990 pop. 24,488), seat of Wapello co., SE Iowa, on both banks of the Des Moines River, in a farm and coal area; inc. 1851. A commercial and industrial center, Ottumwa's economy is based on its meatpacking plant and a farm machinery industry. In the center of the city is a park developed from a reclaimed river bottom.
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