San Donato di Ninea Ombrera Wastewater Treatment Plant, Calabria, Italy

The San Donato di Ninea Ombrera wastewater treatment plant is located in the Calabria region of southern Italy, serving the municipality of San Donato di Ninea. The plant is situated along Strada Provinciale 263, near the former SS105 highway, in the province of Cosenza. As a closed facility, it no longer processes wastewater for the local community. As a secondary treatment plant, it would have been designed to meet the standards of the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary biological treatment for agglomerations of this scale. The plant's closure may reflect upgrades to regional infrastructure or changes in population served. The plant is located inland, more than 10 km from the coast, and its treated effluent would have discharged into local watercourses that drain toward the Tyrrhenian Sea. The surrounding area is characterized by the mountainous terrain of the Pollino Massif, with rivers and streams feeding into the Crati River basin and ultimately the Ionian Sea.

The plant is situated in the Crati River basin, which drains into the Gulf of Taranto in the Ionian Sea. The region supports diverse aquatic life and is part of a sensitive Mediterranean ecosystem. The Crati River is the second longest river in Calabria and provides habitat for fish species such as the Italian barbel and eel. The plant's closure reduces local discharge, potentially improving water quality in the receiving streams.