PORTAGE, Ind. (AP) — Preliminary tests indicate iron-contaminated wastewater that leaked from a northwestern Indiana steel plant into a Lake Michigan tributary presents no risk to public health, the Environmental Protection Agency said Wednesday. U.S. Steel Midwest idled the plant in Portage, about 30 miles (48 kilometers) east of Chicago, as a precaution after it said a wastewater treatment facility experienced “an upset condition” that sent the rusty colored plume containing elevated levels of


