A district court dismissed residents' lawsuit against a city for allowing a metals finishing plant to use and store acids and other dangerous chemicals. The residents' only factual allegation against the city is that it zoned the property at issue as a commercial or industrial use area and allowed t...

The D.C. Circuit dismissed as moot truck engine manufacturers' lawsuit challenging four certificates of conformity EPA issued to another engine manufacturer pursuant to an interim final rule that allowed certificates to be issued to 2012 and 2013 model-year engines even if the engines fail to confor...

A district court held that litter and manure washed from a farmyard into navigable waters due to a precipitation event is an agricultural stormwater discharge and not a point source discharge, rendering it exempt from the CWA's NPDES permit requirement. The case involves a poultry farmer who operate...