An agency that supplies water services to Detroit and dozens of other communities says initial water quality tests following the spill of limestone construction aggregate into the Detroit River did not turn up uranium, thorium, mercury or lead.
The Great Lakes Water Authority says results of a first round of testing from the Nov. 26 collapse at Detroit Bulk Storage detected aluminum, barium, boron and strontium, but they occur naturally in the area’s raw water.
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It also says all levels detected for those metals were below the established regulatory guidelines for drinking water set by the U.S. Environmental Protect Agency and the state of Michigan.