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The Tri-State Mining District in northeastern Oklahoma’s Ottawa County was once the world’s largest source of lead and zinc. The mines had closed by the…
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The company that runs Hugo’s water treatment plant is contesting the $3.17 million fine the Oklahoma Department of Environmental Quality levied against it…
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About 7,000 residents in Hugo lived for months with unsafe drinking water because a private company improperly disinfected municipal water supplies and…
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The Oklahoma Department of Environmental Quality is offering free bacterial testing of private well water due to statewide flooding.The agency announced…
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The U.S. Environmental Protection Agency’s proposal for stricter ozone standards has been praised by environmentalists as a step in the right direction…
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Oklahoma is in compliance with the National Ambient Air Quality Standard for ozone as the 2014 ozone season draws to a close.Compliance is determined by…
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The Environmental Protection Agency and Oklahoma Department of Environmental Quality will meet next week to discuss cleanup plans for the Tulsa Fuel and…
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Source: Oklahoma Hazardous Materials Emergency Response CommissionTrains carrying 1 million more gallons of crude oil from the Bakken formation are…
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The Oklahoma Department of Environmental Quality says Thursday will have conditions favorable to the formation of ground-level ozone air pollution, and…
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In the wake of deadly derailments, fiery explosions and dangerous spills, the federal government in May ordered railroads to share with state authorities…