The Garber-Wellington aquifer, a 280-million-year-old geologic formation in central Oklahoma, supplies municipal, industrial, commercial, agricultural and domestic water for that part of the state. All the major communities in the region, except Oklahoma City, rely either solely or partly on groundwater from this water source. When the USEPA lowered the maximum contaminant level for arsenic in drinking water to 10 µg/L in 2006, all non- com

Join for free to read