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Pharmaceutical Compounds Found In Nation's Fresh Water

Date:
May 1, 2007
Source:
Blackwell Publishing Ltd.
Summary:
According to a recent study, pharmaceuticals are being found in septic tanks and, consequentially, ground water due to incomplete human metabolism and excretion into the waste stream or by disposal of unused medications in the toilet or down the sink.

According to a study in the May/June 2007 issue of the journal Ground Water, pharmaceuticals are being found in septic tanks and, consequentially, ground water due to incomplete human metabolism and excretion into the waste stream or by disposal of unused medications in the toilet or down the sink.

This screening-level study investigated the occurrence of pharmaceuticals in areas receiving waste water from septic tanks located in sand and gravel deposits in Missoula, Montana.

Many pharmaceutical and pharmaceutically-active compounds (e.g. caffeine) persist through the human body and are resistant to conventional waste water treatment practices. They are often detected in aquatic environments such as lakes, rivers and ground water, which can receive direct inputs of treated waste water.

“We don’t know what toxicological effects these detectable concentrations of pharmaceuticals pose, although typical concentrations in one liter of ground water are usually much lower than a typical human therapeutic dose,” says lead author Emily Godfrey.

While such low concentrations do not appear to pose a threat to human health, this research may help frame policy on the disposal of expired or unused compounds.


Story Source:

The above story is based on materials provided by Blackwell Publishing Ltd.. Note: Materials may be edited for content and length.


Cite This Page:

Blackwell Publishing Ltd.. "Pharmaceutical Compounds Found In Nation's Fresh Water." ScienceDaily. ScienceDaily, 1 May 2007. <www.sciencedaily.com/releases/2007/04/070430181148.htm>.
Blackwell Publishing Ltd.. (2007, May 1). Pharmaceutical Compounds Found In Nation's Fresh Water. ScienceDaily. Retrieved July 30, 2014 from www.sciencedaily.com/releases/2007/04/070430181148.htm
Blackwell Publishing Ltd.. "Pharmaceutical Compounds Found In Nation's Fresh Water." ScienceDaily. www.sciencedaily.com/releases/2007/04/070430181148.htm (accessed July 30, 2014).

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