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Location: Richland, Ransom, and Sargent Counties
Narrative: Both naturally occurring arsenic and arsenic in grasshopper poison contaminated local groundwater supplies. Following construction of new water treatment and distribution systems, U.S. EPA deleted the site from the NPL.
Contaminants: Arsenic
Deleted: 1996
Location: Minot, Ward County
Narrative: A 26 acre landfill that received both municipal and industrial wastes. The remedy included consolidating contaminated material under an improved cap and installation of a leachate control system, among other measures.
Contaminants: Arsenic · Benzene · Copper · Phenol · VOCs · Zinc
Deleted: 1997