Antibiotic-resistant bacteria widespread in Hudson River, study finds
Science Daily (press release)
July 19, 2013 — The risk of catching some nasty germ in the Hudson River just started looking nastier.
The risk of catching some nasty germ in the Hudson River just started looking nastier. Disease-causing microbes have long been found swimming there, but now researchers have documented antibiotic-resistant strains in specific spots, from the Tappan Zee Bridge to lower Manhattan. The microbes identified are resistant to ampicillin and tetracycline, drugs commonly used to treat ear infections, pneumonia, salmonella and other ailments.
"If you find antibiotic-resistant bacteria in an ecosystem, it's hard to know where they're coming from," said study co-author Andrew Juhl, a microbiologist at Columbia University's Lamont-Doherty Earth Observatory. "In the Hudson, we have a strong case to make that it's coming from untreated sewage."
revious studies in the Hudson have shown that microbe counts go up after heavy rains, when raw sewage is commonly diverted into the river. Some 27 billion gallons of raw sewage and rainwater are released into the Hudson each year by wastewater treatment plants. Lacking the capacity during heavy rains to simultaneously pump runoff from city streets and sewage from buildings, many sewage-treatment plants are forced to divert both streams into the river, in what is known as a combined-sewer overflow, or CSO.