TABLE 2.
Adenovirus, coliphage, and bacterial indicators in Southern California beach waters
| Sampling locationa | Date (day/mo/yr) | Salinity (‰) | Indicator exceedanceb | Coliphage (PFU/liter)c | F-specific coliphage (PFU/liter)d | Adenovirus (genomes/liter)e |
|---|---|---|---|---|---|---|
| Malibu Lagoon | 2/8/99 | 10 | Tc, Fc, En | 192 ± 40.7 | <2 | |
| Santa Monica | 2/8/99 | 9 | En | 96 ± 0.2 | 5.5 | |
| Canyon Creek | ||||||
| Los Angeles River | 2/9/99 | 28 | Tc, Fc, En | 472.5 ± 112 | 300 | 7.5 × 103 |
| San Gabriel River | 2/16/99 | 28 | 106.2 ± 30.7 | 38 | 2.3 × 103 | |
| Santa Ana River | 2/16/99 | 33 | 9.5 ± 1.5 | <2 | 9.24 × 102 | |
| Aliso Creek | 2/16/99 | 31 | 23 ± 16 | 4.6 | ||
| San Juan Creek | 3/1/99 | 24 | En | 20.5 ± 6 | <6.5 | |
| San Luis Rey River | 3/1/99 | 27 | 20 ± 13.9 | <3 | ||
| Moonlight Creek | 3/1/99 | 34 | Tc, Fc, En | 37.5 ± 4.4 | <3 | |
| Los Penosquitos Lagoon | 2/22/99 | 32.5 | 5.3 ± 2.5 | <3.53 | ||
| San Diego River | 2/22/99 | 31 | 367.5 ± 22.7 | <3 | ||
| Tijuana River | 2/22/99 | 29.5 | 3,332 ± 80.9 | 22.6 ± 7.8 | 8.8 × 102 |
a
All sites are near mouths of rivers or creeks.
b
Bacterial indicators—total coliform (Tc), fecal coliform (Fc), and enterococci (En)—that exceed California recreational water daily limits.
c
Plaque assay using E. coli ATCC 15597 as a host.
d
Plaque assay using E. coli HS (pFamp)R as a host.
e
Determined by nested PCR.