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. 2021 Sep 30;11:19456. doi: 10.1038/s41598-021-98653-x

Table 1.

Basic characteristics of the WWTPs.

WWTP Connected population (inhabitants) Connected load (population equivalent) Length of sewer (km) A portion of industrial wastewater
Bratislava Centrum 450,000 450,000 1–30 Slightly (20%)
Bratislava Petrzalka 125,000 125,000 0.5–5 Very low (5%)