A district court denied summary judgment in a challenge to EPA's approval of Maryland's 2018 water quality report, which reclassified 139 impairment listings based on TMDLs set by the…
A state court preliminarily enjoined the New Hampshire Department of Environmental Services (DES) from enforcing new rules that tightened allowable limits of per- and polyfluoroalkyl substances (…
A district court upheld EPA's interpretation that the CWA does not regulate discharges into groundwater that is hydrologically connected to navigable waters in a lawsuit concerning a…
A district court held that environmental groups lacked standing in their challenge to EPA's exclusion of certain waste treatment systems from the definition of navigable waters under the CWA…
The Eleventh Circuit affirmed a district court decision upholding the U.S. Army Corps of Engineers' issuance of four CWA §404 permits to a fertilizer manufacturer engaged in phosphate mining…
The Tenth Circuit denied a motion to hold in abeyance a lawsuit concerning EPA and the U.S. Army Corps of Engineers' 2015 Clean Water Rule. It did decide, however, to consider whether to…
The Ninth Circuit reversed the dismissal of a lawsuit concerning a tile drainage system in the San Joaquin Valley that discharged agricultural drainage into navigable waters without an NPDES…
The Fifth Circuit dismissed environmental groups' challenge to EPA's issuance of a CWA general permit authorizing discharges from oil and gas facilities operating in the Gulf of Mexico.…
The Fifth Circuit upheld a 2017 EPA rule that postponed compliance dates mandated by the Agency's 2015 rule setting new effluent limitation guidelines for flue gas desulfurization wastewater…