The D.C. Circuit held that a home builders' association lacked standing to challenge EPA's and the U.S. Army Corps of Engineers' determination that two reaches of the Santa Cruz River in southern Arizona constitute "traditional navigable waters" (TNW) under the CWA. The court previously held in a si...

The Federal Claims Court held that the U.S. Army Corps of Engineers' construction, expansions, operation, and failure to maintain the Mississippi River-Gulf Outlet (MR-GO) caused subsequent storm surge that was exacerbated by a "funnel effect" during Hurricane Katrina and subsequent hurricanes and s...

A California appellate court held that the state's water resources board did not violate state law when it voted 2-1 to increase water quality permit fees for the 2011-2012 fiscal year. When the board voted for the increase, two of the seats were vacant. A building association challenged the increas...

A Maryland appellate court affirmed a lower court decision remanding a stormwater management permit that the state's environmental agency issued to a county. The permit did not fall short for failing to hold the county to state water quality standards, as urged by an environmental group challenging ...

A district court, on remand from the First Circuit, dismissed environmental groups' CWA claim against the operators of four hydroelectric dams along the Kennebec River. The groups alleged that the operators are in violation of their water quality certifications, and thus the CWA, because they failed...

A district court granted summary judgment in favor of a coal company, thereby dismissing environmental groups' CWA claim that the company violated its NPDES permit. The dispute centered on the parties' competing interpretations of a boilerplate condition of all of the company's NPDES permits that pr...

The Fifth Circuit reversed and remanded a lower court decision ordering EPA to determine whether new water quality standards were necessary to control nitrogen and phosphorus pollution in the mainstem of the Mississippi River and the Northern Gulf of Mexico. The case arose after EPA denied environme...

The Eighth Circuit held that a U.S. Army Corps of Engineers jurisdictional determination (JD) is a final agency action under the APA, thereby creating a split between the circuits. The case arose after a company sought to mine peat from wetland property owned by two affiliated companies in northwest...

The Sixth Circuit held that USDA failed to comply with its own regulations when it determined a farm was ineligible for program benefits under the "Swampbuster" provisions of the Food Security Act of 1985. USDA determined the farm was ineligible for benefits because it converted two acres of wetland...

A district court held that EPA does not have a mandatory duty to review an amendment to the Pennsylvania Sewage Facilities Act under the CWA. The amendment allows the use of certain on-lot sewage systems to satisfy the state's antidegradation requirements. An environmental group claimed the amendmen...