COV Ostrava Hermanice II Wastewater Treatment Plant, Ostrava, Czech Republic

COV Ostrava Hermanice II is a municipal wastewater treatment plant located in the Hermanice district of Ostrava, in the Moravskoslezsky region of the Czech Republic. The plant serves a small population of 704 residents and operates with a designed capacity of 3,600 m³/day, currently utilizing about 6% of that capacity. The plant provides secondary treatment, which is the standard biological treatment required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. While the directive mandates secondary treatment for all inland plants serving over 2,000 population equivalent, smaller plants like this one are still expected to meet national standards for organic matter and suspended solids removal. The treated effluent is discharged into the local water system, which ultimately drains into the Odra River basin. The Odra River flows northward through the Czech Republic and Poland before reaching the Baltic Sea. This plant plays a role in protecting the water quality of the Odra catchment, which supports diverse aquatic life and is an important ecological corridor in Central Europe.

The plant discharges into the Odra River basin, which flows through the Czech Republic and Poland to the Baltic Sea. The Odra River supports a variety of fish species and migratory birds, and its floodplains provide important habitats. The region's industrial history, including mining and heavy industry in Ostrava, adds pressure on water quality, making effective wastewater treatment crucial for downstream ecosystems.