A district court denied motions to remand and vacate EPA's decision to allow a no-discharge zone in Puget Sound. A tugboat, towboat, and barge industry group argued that EPA erred in determining that adequate pump-out facilities were reasonably available without considering the compliance costs for ...

A district court denied EPA's request to stay a previous order requiring it to comply with its 2016 Emission Guidelines and Compliance Times for Municipal Solid Waste Landfills. Eight states had argued that the Agency failed to implement and enforce the guidelines by, among other things, failing to ...

The Ninth Circuit affirmed judgment for environmental groups in a CWA challenge to compel EPA to develop and issue long-overdue temperature TMDLs for the Columbia and Snake Rivers. The groups argued that inaction by Oregon and Washington to issue TMDLs for the two rivers amounted to a "constructive ...

A state appellate court reversed the Minnesota Pollution Control Agency's decision to reissue a NPDES permit for an iron ore mine in northeast Minnesota. An environmental group and Indian band challenged the decision, arguing that the agency erred in its interpretation of the CWA and that the permit...