Annual national grading also shows that many Wyoming places have some of the best air in the country.
Environmental agency objects, along with others who say faulty justifications allowed approval of Delaware-sized Converse County Oil and Gas Project.
Wyoming DEQ sets 2024 deadline for cleaner surface discharges as energy company again seeks new exemption to allow underground disposal of gas- and oilfield produced water.
State proposal, supported by agricultural interests, would also prohibit information gathered by academic institutions from being solely used to classify the health of streams, rivers and lakes.
State calls for new monitoring to ensure salty water is not affecting streams’ quality.