. . . "Possible sources include flushing of untreated wastewater or naturalized soil bacteria (Brennan et al. 2010) from other OWTS in the neighbourhood, domestic pets such as dogs, wildlife such as deer and raccoons, and birds (Boehm et al. 2003), all of which are present in the study area.Comparison of tracersThe traditional culture-based technique for MS2 enumeration requires more than 16 h after samp" .