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. 2017 Oct 17;12(10):e0186576. doi: 10.1371/journal.pone.0186576

Table 1. ESBL producing E. coli/total amount of E. coli per date and location in recreational water and wastewater samples.

ESBL producing E. coli CFU1/estimated number of E. coli CFU per 1 L water (%)
May 19th June 14th June 22nd Aug. 16th Sept. 15th
Freshwater 6/1160 (0.52) 1/520 (0.19) 0/30 (0) 4/2,100 (0.19) 8/1,070 (0.75)
Saltwater 1 0/3000 (0) 0/30 (0) 0/500 (0) 30/800 (3.8) 72/12,100 (0.60)
Saltwater 2 0/1850 (0) 0/240 (0) 0/30 (0) 26/3,800 (0.68) 0/180 (0)
Saltwater 3 0/100 (0) 0/50 (0) 0/10 (0) 0/100 (0) 4/690 (0.60)
Wastewater 320 ESBL-EC2 120/16,000 (0.75) 380/57,000 (0.67) 320/49,000 (0.65) 150/27,000 (0.56)

1Colony forming units

2 Missing data on total E. coli CFU