"Who Pooped?" - Microbial Source Tracking

Fecal indicator bacteria contamination is a common problem for many surface-water bodies and drinking water systems. The Clean Water Act was passed in 1972, yet about 13% of US surface waters still don't meet water quality standards.  This is due in part to fecal material intruding our waterways from various point and non-point sources. Traditional fecal indicator bacteria analyses can't differentiate contaminant sources;h owever, new molecular identification tools are showing promise in this area.
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