| evaluation of microbiological water quality in the pettaquamscutt river (rhode island, usa) using chemical, molecular and culture-dependent methods. | we evaluated microbiological water quality in the pettaquamscutt river (rhode island, usa), an estuarine river. fecal coliform (fc) and enterococci (fe) bacteria, presence of bifidobacterium adolescentis dna (indicating human fecal contamination), and optical brightener (ob) fluorescence (associated with laundry detergents) were determined for 14 stations from may to september 2010. six stations had high counts of fe and fc, and the presence of b. adolescentis dna and high ob fluorescence indica ... | 2011 | 21570698 |