The U.S. Environmental Protection Agency on Thursday added Bradford Island and surrounding waters of the Columbia River to its Superfund list of toxic waste sites, beginning the process for the eventual cleanup of the area. The U.S. Army Corps of Engineers, which operates nearby Bonneville Dam, for years dumped toxic waste on the island, located 40 miles (63 kilometers) east of Portland, Oregon, and into a portion of the river. The uninhabited Bradford Island is part of the federal Bonneville Dam complex on the Columbia River, which divides Washington and Oregon.
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Contaminated Columbia River island added to Superfund list
