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…

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…

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…

A district court held that although EPA did not violate its nondiscretionary duty under the CWA to either approve or disapprove a TMDL for PCBs in the state of Washington, it acted contrary to law…

A district court dismissed environmentalists' claim that EPA should have reviewed the entirety of Florida's impaired water rule (IWR), not just the portion that constitutes a new or…

A district court denied a mining company's motion for partial judgment in a case filed against it for alleged CWA and SMCRA violations. Environmental groups alleged that the mine violated…

The Eighth Circuit upheld an EPA decision rejecting modifications to Arkansas' water quality standards as they pertain to discharges of dissolved minerals from a chemical manufacturing plant…

A district court held that a mining company allowed excessive amounts of selenium to be discharged from one of its surface coal mine operations in violation of the CWA and SMCRA. The company'…

The First Circuit vacated and remanded a lower court decision dismissing environmental groups' CWA claims against the operators of four hydroelectric dams along the Kennebec River. The groups…

A district court dismissed three New Hampshire cities' citizen suit challenging EPA's decision to approve New Hampshire's impaired waters list under the CWA. The cities lack…