Tag Archives: Nitrogen

Removing fallen leaves can improve urban water quality

The timely removal of leaf litter can reduce harmful phosphorus concentrations in stormwater by more than 80% in Madison, Wis., according to a recent U.S. Geological Survey (USGS) study. Autumn leaf litter contributes a significant amount of phosphorus to urban stormwater, the study found. The USGS-led study, Evaluation of Leaf Removal as a Means To […]

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EPA report finds that nearly half of U.S. river and streams have nutrient pollution

A new scientific report released by the U.S. Environmental Protection Agency (EPA) found that 46% of the nation’s river and stream miles suffer from phosphorus and nitrogen pollution. This situation creates a poor habitat environment that is not conducive for supporting healthy populations of aquatic life. These conditions are caused largely by excess fertilizers, wastewater, […]

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New EPA report examines point source progress in Hypoxia Task Force states

The U.S. Environmental Protection Agency has released a first-ever report that addresses the extent of nitrogen and phosphorus monitoring including discharge limits for major water resource recovery facilities (WRRFs) within the 12 states comprising the Hypoxia Task Force (HTF). Established in 1997, the HTF is a partnership of 12 states, five federal agencies, and a […]

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