Iowa Residents Caught Off Guard by Slaughterhouse Waste Pit

A six-acre earthen basin has been excavated next to a cemetery in Castana, Iowa, intended to hold treated slaughterhouse waste from a nearby pork plant. Local residents and officials say they were blindsided by the project, which emerged without public notice. The state environmental agency received multiple complaints, highlighting concerns about oversight of such waste facilities.

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The basin occupies roughly five football fields of a former soybean field in Monona County, within the Loess Hills—a 200-mile corridor of glacial silt bluffs bordering the Missouri River. Hawthorn Land Holdings, the private equity owner, told state regulators the pit would receive DAF cake, a dehydrated byproduct from Seaboard Triumph Foods' Sioux City pork plant, spread on farmland at under two tons per acre annually.

Iowa's solid waste rules exempt that application rate from permitting, and the company's pre-construction discussions occurred solely with DNR's Des Moines office—not the southwest Iowa field office that handles Monona County compliance. County Supervisor Bo Fox