| WWTP | Vistula river | Total | ||||||
---|---|---|---|---|---|---|---|---|---|
 | Gdansk-Wschod | Gdynia-Debogorze |  |  | |||||
 | W-INF | W-BR | W-EFF | W-MOut | D-EFF | D-MOut | VR |  | |
Presence | CFU 100 mL−1 | (0.7–23) × 107 | na | (0.1–6.1) × 105 | 3 – 60 | (0.8–3.1) × 105 | 2 – 80 | 1 – 30 | - |
Number (%) of recovered isolates | 33 (7.7) | 55 (12.8) | 82 (19.2) | 45 (10.5) | 73 (17.1) | 71 (16.6) | 69 (16.1) | 428 (100) | |
Species composition: number (%) | E. faecium | 19 (57.6) | 36 (65.5) | 53 (64.6) | 29 (64.4) | 41 (56.2) | 40 (56.3) | 26 (37.7) | 244 (57) |
E. faecalis | 5 (15.2) | 8 (14.5) | 19 (23.2) | 4 (8.9) | 19 (26.0) | 3 (4.3) | 5 (7.2) | 63 (14.7) | |
E. hirae | 8 (24.2) | 11 (20.0) | 7 (8.5) | 11 (24.4) | 12 (16.4) | 27 (38.0) | 37 (53.6) | 113 (26.4) | |
E.casseliflavus/gallinarum | 1 (3.0) | nd | 2 (2.5) | nd | 1 (1.4) | nd | nd | 4 (1.0) | |
E. durans | nd | nd | 1 (1.2) | 1 (2.3) | nd | 1 (1.4) | nd | 3 (0.7) | |
 | E. avium | nd | nd | nd | nd | nd | nd | 1 (1.5) | 1 (0.2) |