A district court held that mining companies violated the selenium effluent limitations set forth in their state-issued NPDES and surface mining permits. The companies had sought permit modifications from the state's environmental agency, and when those requests were denied, the companies appeal...

A district court, on cross-motions for summary judgment, upheld a DOI regulation requiring oil lessees to obtain drilling permits for development and production drilling but denied both motions as to a DOI regulation setting forth new requirements for drilling in the western Gulf of Mexico. Oil...

A district court dismissed property owners' CERCLA, RCRA, and CWA claims against the current owner of a contaminated site for damages caused by the migration of contamination onto their property. Each of the three federal statutes requires plaintiffs to provide the owner with particular notice of th...