Tagged Stories: "U.S. Geological Survey (USGS)"

PCBs and mercury are among the most widespread toxins in our waterways, according to a new report.

A USGS report tracks nutrients and sediment in nine tributaries.

Preliminary data show the superstorm has done less damage than Hurricanes Isabel, Irene and Tropical Storm Lee.

Filling reservoirs behind three dams overshadow pollution reduction progress.

Male smallmouth bass exhibit signs of chemical exposure, raising concerns about river health.

Without migration barrier in place, American eel populations steadily increase in Shenandoah National Park.

Nutrient and sediment trends indicate pollution-reduction efforts are working.

2011 will likely be one of the highest annual flow years on record for the Susquehanna River due to wet weather.

They say April showers bring May flowers. But around the Chesapeake Bay, rainstorms bring a whole lot more.