Michigan Attorney General (AG) Dana Nessel has filed suit against the Gerald R. Ford International Airport Authority to enforce demands by the Michigan Department of Environment, Great Lakes, and Energy (EGLE) related to alleged per- and polyfluoroalkyl substance (PFAS) contamination of the regional drinking water supply caused by the airport authority.

In June 2023, the New York State Department of Environmental Conservation (NYSDEC) adopted revisions to its petroleum bulk storage regulations 6 NYCRR Part 613. The amended regulations become effective on October 17.

On July 25, Missouri, Arkansas, and Iowa (the states), along with intervenors American Water Works Association and National Rural Water Association (the water associations), petitioned the Eighth Circuit to review the U.S. Environmental Protection Agency’s (EPA) new rule requiring states to review and report cybersecurity threats to their public water systems (PWS).

Public water utilities and 3M have until August 28 to respond to the bipartisan coalition of 22 state attorneys general (AGs) that opposes their proposed $12.5 billion class action settlement over alleged per- and polyfluoroalkyl substance (PFAS) contamination and is seeking to intervene in their litigation.

On August 7, California Attorney General Rob Bonta led a coalition of five state attorneys general (AGs) in filing an amicus letter concerning a proposed class action settlement between DuPont, Chemours, and Corteva, and water providers for $1.185 billion. The AGs contend the settlement amount is far too low given the scope of environmental contamination and health impacts caused by Dupont’s decades-long manufacture and sale of per- and polyfluoroalkyl substances (PFAS) compounds.

On August 7, Nebraska Attorney General (AG) Mike Hilgers and Iowa AG Brenna Bird joined forces to sue the Biden administration’s Environmental Protection Agency (EPA) for failing to fulfill the request by Iowa and Nebraska governors to allow the sale of year-round E15 gasoline.

A bipartisan coalition of attorneys general (AGs) from 22 states is urging the federal district court in South Carolina to reject a proposed $12.5 billion settlement between 3M and a group of public water utilities, who are suing the company over alleged per- and polyfluoroalkyl substance (PFAS) contamination.

A filing in a California federal court indicates that EPA is planning to apply its new Clean Water Act section 401 certification rule to all certification requests, including those that are currently pending and that were submitted in accordance with the 2020 Certification Rule. If EPA attempts to retroactively apply its new rule to pending certification requests, it will guarantee immediate litigation and the challengers will have a strong likelihood of success.

On July 20, the New York State Department of Environmental Conservation (NYSDEC) sent a letter to Brownfield Cleanup Program (BCP) applicants, consultants, and attorneys that provides an update regarding 2023 Certificate of Completion (COC) milestones and affordable housing deadlines. With respect to BCP submittals, the letter emphasizes the importance of applicants making the submittals necessary to obtain COCs in a timely manner, and warns that failure to do so could result in insufficient time for the NYSDEC to issue COCs by the end of the year. Pursuant to the letter, applicants must meet the following milestones: