EPA Seeks Overhaul of Ozone NAAQS

EPA Administrator Scott Pruitt issued a memorandum on May 9th that directs the agency’s staff to begin a five-year review of the National Ambient Air Quality Standards (NAAQS) for Ozone. The Clean Air Act (CAA) requires EPA to periodically review the NAAQS, including both primary and secondary standards, for criteria air pollutants such as ozone …

Colorado Energy and Utilities Legislation

Winners and Losers in the 2018 Colorado General Assembly – The warm weather has returned, spring sports are in full swing, and the Colorado General Assembly has adjourned for 2018. That means it’s time to take a look at the scorecard and review the energy and utilities related issues that won and lost this legislative season. …

Court of Appeals Confirms that Arizona Constitution Authorizes Arizona Corporation Commission to Determine Energy Rates

The Arizona Constitution requires that the Arizona Corporation Commission (“Commission”) approve just and reasonable rates, the determination of which is to be evaluated by the Commission. In Freeport Minerals Corporation v. Arizona Corporation Commission, the Court of Appeals upheld rates for Tucson Electric Power Co. (“TEP”) and ruled that the Commission’s actions are presumed to …

Changes Proposed to Research and Data Used by EPA

As recently reported in a number of news outlets, Environmental Protection Agency (EPA) Administrator Scott Pruitt has proposed a rule within the EPA that would require the Agency to use research that is publicly available in promulgating new rules alleged to be “scientifically-based.”  This could be an important change to every company over which EPA …

Arizona Water Permitting Process Updated

Governor Ducey recently signed two bills passed by the Arizona legislature dealing with water quality programs. The first, SB1494 requires the Arizona Department of Environmental Quality (ADEQ) to establish an Underground Injection Control (UIC) Permit program. In doing so, the State will assume primacy for UIC permitting under the Safe Drinking Water Act. The ADEQ attempted …

United States May Be Liable as an “Owner”, but not as an “Arranger”, at Former Mining Sites on Federal Property

In a decision that opens the door for Superfund claims against the United States on Forest Service and BLM lands, the Tenth Circuit Court of Appeals recently ruled that the United States federal government may be liable for clean-up costs at former mining sites located on federal land.  In Chevron Mining, Inc. v. United States, …