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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. Although the association has spen...

The Sixth Circuit upheld an individual's conviction for unlawfully discharging industrial wastewater into the Detroit sewer system. The individual, who worked at an industrial waste treatment facility, was sentenced to two 24-month prison terms, to run concurrently, for knowingly violating EPA-a...

The D.C. Circuit held that the U.S. Army Corps of Engineers complied with the CWA when it issued a permit authorizing the discharge of dredge and fill material into wetlands outside Tampa, Florida, for the construction of a large shopping center. An environmental group argued that the Corps violated...

A district court denied a sand and gravel company's motion to dismiss environmental and citizen groups' CWA action against it for discharging stormwater associated with industrial activity from one or more point sources at its facility to a river without a NPDES permit. The company argued that the c...