ROWP SC HIDRO PRAHOVA SA sucursala Plopeni - Wastewater Treatment Plant in Plopeni, Romania

ROWP SC HIDRO PRAHOVA SA sucursala Plopeni is a municipal wastewater treatment plant located in Plopeni, Prahova County, Romania. It serves a population of about 8,700 residents, placing it in the small-to-medium agglomeration category under Romanian and EU regulations. The plant is part of the regional water utility Hidro Prahova, which manages water and wastewater services across the county. As a Romanian facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas. The plant is expected to meet these regulatory standards to protect downstream water quality. The treated effluent is discharged into the local hydrographic network, which drains into the Prahova River, a tributary of the Ialomița River, and ultimately reaches the Danube River and the Black Sea. The plant plays a key role in safeguarding water quality in the Prahova River basin, supporting both ecological health and downstream uses such as agriculture and recreation.

The plant discharges into the Prahova River basin, which flows into the Ialomița River, a major tributary of the Danube. The Danube then empties into the Black Sea, making this plant part of a large transboundary watershed. The Prahova River supports diverse aquatic life and is used for irrigation and recreation. Protecting water quality here is important for maintaining the ecological balance of the lower Danube and Black Sea coastal zone.