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EPA has proposed to establish “baseline” water quality standards that would apply to all Indian reservation waters where the tribe has not received “treatment as a state” (TAS) authority, the state does not have authority, and the federal government has not already promulgated water quality standards. Under the proposal, tribes will have a limited opportunity to request that certain waters be excluded from the federal baseline standards, but that decision will ultimately be made by the EPA regional administrator. If a tribe receives TAS, promulgates its own water quality standards, and obtains EPA approval of those standards, the federal baseline standards would no longer apply.

On March 13, the Environmental Protection Agency (EPA) took the long-anticipated step of proposing maximum contaminant level goals (MCLGs), as well as individual maximum contaminant levels (MCLs), for six PFAS compounds under the Safe Drinking Water Act. PFAS are a large family of synthetic chemicals that have been in use since the 1940s. Many PFAS have unique physical and chemical properties that make them highly stable and resistant to degradation in the environment, which is why they are sometimes referred to as “forever chemicals.”

The Environmental Protection Agency (EPA) and the U.S. Army Corps of Engineers (the “Corps”) (together the “Agencies”) have continued working on a proposed rule to revise the definition of “waters of the United States” (WOTUS) under the Clean Water Act (CWA or Act), which will soon move to the next…

Better late than never, but on January 4, EPA published its Fall 2022 Unified Regulatory Agenda. The Reg Agenda includes a few new rulemaking initiatives and a number of schedule changes that were largely expected since EPA has been running a few months behind on most of their major rulemakings (e.g., WOTUS, 401 Water Quality Certification, Steam Electric ELG, Lead and Copper Rule Improvements).

Yesterday, EPA announced a proposed rule that would revise the agency’s regulations to include a requirement that water quality standards protect reserved tribal treaty rights. This proposal is a major milestone for the agency that has tried to incorporate reserved tribal treaty rights into its water quality standards program since at least 2015.

On October 28, the EPA published the Final Fifth Drinking Water Contaminant Candidate List. Under the Safe Drinking Water Act (SDWA), the EPA is required to publish a new Contaminant Candidate List (CCL) every five years. The CCL contains a list of contaminants that are currently not subject to any national primary drinking water regulations but are anticipated to occur in public water systems and may require regulation.

The Biden administration has enormous climate and carbon management goals, which rightfully include the geologic sequestration of carbon dioxide as a core part of its climate adaptation strategy. The administration, to its credit, has worked with Congress to provide tax credits and billions of dollars of new funding for programs targeting the transportation and sequestration of carbon, but without equal commitment to the regulatory side of the house, the administration’s ambitious goals are at risk.

Much ado is being made of recent amendments to the Clean Air Act (CAA) contained in the Biden administration’s budget reconciliation law passed in mid-August, commonly referred to as the Inflation Reduction Act (IRA). And with good reason, as the law includes the most significant changes to the CAA since 1990, and the new sections formally define greenhouse gases (GHGs) as an “air pollutant,” consistent with the Supreme Court’s 2007 decision in Massachusetts v. EPA.

However, the IRA amendments to the CAA do not in fact make significant substantive changes in law. Legally speaking, they can’t, given that the IRA is merely a reconciliation bill through which Congress may only assign funding. More to the point, none of the IRA amendments to the CAA address in any way the limitations the Supreme Court recently placed on EPA’s authority to adopt climate change regulation in West Virginia v. EPA, notwithstanding some characterizations to the contrary.

Today, the U.S. Environmental Protection Agency (EPA) announced that Administrator Regan signed a proposed rule to designate two of the most widely studied per- and polyfluoroalkyl substances (PFAS) as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). The proposed designation for PFOA and PFOS, if and when finalized, would provide EPA with powerful new tools to clean up existing contamination in hot spots across the country, while seeking to hold those responsible for the releases financially accountable. The designation would also increase EPA’s reporting and information gathering authorities as the agency continues to build its database of PFAS contamination.