The Eleventh Circuit affirmed a lower court decision dismissing individuals' claims that a city violated its NPDES permit for municipal separate storm sewer systems (MS4s). They alleged…

A district court held that a railroad company that operates a railroad-transportation facility in Seattle, Washington, violated the terms of its NDPES permit in violation of CWA §402 and…

A district court granted the Massachusetts Department of Transportation's (MassDOT's) motion for judgment in a case involving its violation of municipal separate storm sewer system NPDES…

The Ninth Circuit held that a local flood district is liable under the CWA for discharging polluted stormwater into the Los Angeles and San Gabriel Rivers. Environmental groups filed suit…