News tagged with water quality

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Sources of pollution in waterways

Polycyclic aromatic hydrocarbons (PAHs) are components of petroleum products such as gasoline, coal, and oil. They are also produced as by-products of the combustion of fuels including petroleum and fire wood. PAHs can cause ...

Mar 09, 2010 4.3 / 5 (4) 1

Evidence of increasing antibiotic resistance

A team of scientists in the United Kingdom and the Netherlands are reporting disturbing evidence that soil microbes have become progressively more resistant to antibiotics over the last 60 years. Surprisingly, ...

Mar 03, 2010 4.2 / 5 (5) 0

Water Quality Model Passes Another Test

(PhysOrg.com) -- A test of the SWAT (Soil and Water Assessment Tool) model on a small watershed with poor water quality in Maryland showed that the model accurately estimated pollutant levels over the long ...

Feb 25, 2010 5 / 5 (1) 0

NOAA deploys new 'smart buoy' off Annapolis

NOAA deployed the seventh in a series of "smart buoys" to monitor weather conditions and water quality in the Chesapeake Bay today. The buoy, located at the mouth of Severn River near Annapolis, Md., will be used by commercial ...

Nov 11, 2009 3 / 5 (2) 1

How good are tests for E. coli in streams?

Bacteria commonly used to indicate health risks in recreational waters might not be so reliable after all. Pathogenic E. coli were pervasive in stream-water samples with low concentrations of fecal indicator bacteria.

Sep 22, 2009 5 / 5 (1) 0