Montana’s environmental regulator has denied a petition to designate the Big Hole River as impaired by nitrogen and phosphorus, throwing a wrench in environmentalists’ efforts to put the blue-ribbon ...

The "skyglow" produced when light from cities bounces off clouds can help cyanobacteria and other aquatic microbes grow at ...

Water quality monitoring at a freshwater loch has shown that the level of nutrients was not affected by salmon farming over ...

The Montana Department of Environmental Quality has rejected a petition filed by two river advocacy groups seeking an ...

“We must do what we can now to make measurable improvements for the river, and that should start with an official impairment determination to clean up the nutrient pollution that is degrading water ...

The Chesapeake Bay Foundation filed a petition Monday in Circuit Court for Cecil County challenging a permit for a proposed ...

Common sources of nutrient pollution include runoff containing fertilizers ... oversight of state laws and rules governing water quality. “Numeric criteria are applicable.” ...

DEQ must apply numeric nutrient criteria in every aspect of its implementation of federal Clean Water Act programs, from pollution permit decisions to river health assessments and corollary ...

and that should start with an official impairment determination to clean up the nutrient pollution that is degrading water quality and aquatic habitat.” A spokesperson for DEQ wrote in an email ...