Home > Man-Made Disasters, Mass Animal Deaths > Maryland-Virginia: Alarming ‘Dead Zone’ Grows in the Chesapeake

Maryland-Virginia: Alarming ‘Dead Zone’ Grows in the Chesapeake


By Darryl Fears – “A giant underwater “dead zone” in the Chesapeake Bay is growing at an alarming rate because of unusually high nutrient pollution levels this year, according to Virginia and Maryland officials. They said the expanding area of oxygen-starved water is on track to become the bay’s largest ever.

This year’s Chesapeake Bay dead zone covers a third of the bay, stretching from the Baltimore Harbor to the bay’s mid-channel region in the Potomac River, about 83 miles, when it was last measured in late June. It has since expanded beyond the Potomac into Virginia, officials said.

Especially heavy flows of tainted water from the Susquehanna River brought as much nutrient pollution into the bay by May as normally comes in an entire average year, a Maryland Department of Natural Resources researcher said. As a result, ‘in Maryland we saw the worst June’ ever for nutrient pollution, said Bruce Michael, director of the DNR’s resource assessment service.

That’s bad news for biologists who monitor the bay and horrible news for oysters and fish. Dead zones suck out oxygen from deep waters and kill any marine life that can’t get out of the way.” Read more.

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