San Marcos Mercury | Local News from San Marcos and Hays County, Texas

aquatic biology

image

Thursday, February 14th, 2013

Traces of anxiety drugs may make fish act funny

Scientists at a Swedish university are publishing a study in Science magazine that maintains exposing perch to traces of the anti-anxiety drug benzodiazepine had an observable effect on the fish. The drug levels mimicked those found in downstream from a wastewater treatment plant.

Saturday, August 11th, 2007

Pharmaceutical byproducts a health wildcard in San Marcos River

The city’s wastewater treatment plant was successful in removing nearly all of the 18 chemicals known to interfere with natural hormone production that a research team detected in the sewage system.

:)