Table 1.
Average concentrations of total enterococci and vancomycin-resistant enterococci (VRE) and percentage of VRE out of total recovered isolates by spray irrigation site and treatment or storage step across all sample collection dates.
| Sampling Location (# of samples) |
Total Enterococci (CFU/100mL) |
VRE (CFU/100mL) |
Percentage of VRE | |
|---|---|---|---|---|
| Mid-Atlantic SI1 | ||||
| Mid-Atlantic WWTP1 Effluent (n=2) | 0.41 | 0.0005 | 0.1% | |
| Before UV (n=8) | 35.78 | 0.039 | 0.1% | |
| After UV (n=8) | 0 | 0 | 0% | |
| Pond (n=8) | 0.39 | 0 | 0% | |
| Inlet to Pumphouse (n=8) | 173.63 | 0.13 | 0.07% | |
| Midwest SI1 | ||||
| Midwest WWTP1 Effluent (n=3) | 12.08 | 5.14 | 42.6% | |
| Pond (n=3) | 120.5 | 0.67 | 0.6% | |
| Midwest SI2 | ||||
| Midwest WWTP2 Effluent (n=4) | 56.08 | 0 | 0 | |
| Hose (n=4) | 30.88 | 0 | 0 |