A nationwide look at 15 water quality constituents, by the U S Geological Survey, reveals evolving concerns in American rivers.
The Montana Department of Environmental Quality is studying why a native species of algae is covering one of the state’s most popular rivers.
Recent research shows that agricultural management practices may be having unintended consequences on nutrient and sediment concentrations.
Recent research indicates that blue lakes are no longer the most common in America, as lakes turn murkier for a variety of reasons.