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Table 2 Fecal indicator bacteria estimates at marine beaches

From: Rapidly measured indicators of recreational water quality and swimming-associated illness at marine beaches: a prospective cohort study

Indicator

N1

Min.

Max.

Geometric Mean

Non-detects

Edgewater Beach

Enterococcus CFU

377

0.1

920

7.2

48

Enterococcus CCEΔΔ

378

69

10000

380

0

Enterococcus CCEΔ

378

54

3600

150

0

Bacteroidales CCEΔΔ

378

120

430000

3000

4

Bacteroidales CCEΔ

378

47

300000

1300

4

Fairhope Beach

Enterococcus CFU

431

0.1

3000

21

36

Enterococcus CCEΔΔ

438

19

99000

260

97

Enterococcus CCEΔ

438

26

29000

130

97

Bacteroidales CCEΔΔ

432

8.5

200000

1800

28

Bacteroidales CCEΔ

432

10

140000

980

28

Clostridia CCEΔΔ

438

79

20000

1200

1

Clostridium CCEΔ

438

44

7900

650

1

Fecal Bacteroides CCEΔΔ

408

16

37000

450

85

Fecal Bacteroides CCEΔ

408

9.8

25000

210

85

Goddard Beach

Enterococcus CFU

426

0.1

960

3.6

78

Enterococcus CCEΔΔ

425

14

26000

160

28

Enterococcus CCEΔ

425

13

12000

120

28

Bacteroidales CCEΔΔ

426

18

120000

1100

32

Bacteroidales CCEΔ

426

23

65000

900

32

Clostridia CCEΔΔ

420

9.6

52000

890

0

Clostridium CCEΔ

420

29

17000

500

0

Fecal Bacteroides CCEΔΔ

426

11

140000

530

99

Fecal Bacteroides CCEΔ

426

11

66000

410

99

  1. 1: Number of samples
  2. CCE = qPCR Calibrator Cell Equivalents per 100 ml for the delta CCEΔ and delta-delta CCEΔΔ CT calculations CFU = Colony Forming Units per 100 ml (EPA Method 1600)