Table 2.
Fecal indicator bacteria estimates at marine beaches
| 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: Number of samples
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)